{"title":"RS-422\/485 - T1\/E1\/J1","description":"","products":[{"product_id":"din-rail-mount-3-stage-lightning-surge-protector-for-rs-485-lines","title":"HGLND-D1-05  -  DIN Rail Mount 3-Stage Lightning Surge Protector for RS-485 Lines","description":"The HGLND-D1-05 high performance 3-stage lightning protector provides superior protection of differential or balanced digital or analog lines from transients and surges. The unit will also protect two single ended data, analog or control lines. \u003cbr\u003e\u003cbr\u003e    The first stage is comprised of a differential gas discharge tube. Stage two is a pair of current limiting series resistors and the final stage is a low capacitance diode array. The use of three terminal differential gas discharge tubes provides superior common and differential mode protection against conducted transients versus the use of lower cost two terminal tubes. The second stage series resistance limits the power dissipation of the fast diode clamp array in the third stage. This allows time for the slower but higher power gas tubes to flash over. The diode array clamps the leading edge of fast transients to safe levels until the high power gas tubes turn on. This eliminates the damaging leading edge spike that single stage gas tube protectors let leak through. The diode array's low capacitance assures that the suppressor will not degrade the high-speed signals. The 3-stage design can handle higher-level transients than a protector that uses only diodes. \u003cbr\u003e\u003cbr\u003e    The HGLND-D1-05 is designed to convert into a failsafe mode in the rare case of a catastrophic surge or lightning event. For this mode, the resistors in the second stage will fuse and portions of the diode array will short. This effectively disconnects the line from sensitive equipment thus limiting damage. The units are factory repairable. \u003cbr\u003e\u003cbr\u003e     This unit can be mounted to a DIN 3 rail using the DIN mounting clip located on the rear of the unit.\u003cbr\u003e\u003cbr\u003e    For additional information and complete specifications, click on data sheet below\u0026gt;\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\r\n\u003cli\u003eDIN 3 rail mountable\u003c\/li\u003e\r\n\u003cli\u003e3-Stage surge protection\u003c\/li\u003e\r\n\u003cli\u003eSuperior to diode or TVS only based designs\u003c\/li\u003e\r\n\u003cli\u003eFailsafe mode of operation\u003c\/li\u003e\r\n\u003cli\u003eDie Cast aluminum construction\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"L-Com","offers":[{"title":"Default Title","offer_id":8873495747,"sku":"HGLND-D1-05","price":186.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/5892\/products\/PWD_HGLND-D1-05.jpeg?v=1787931730"},{"product_id":"outdoor-3-stage-lightning-surge-protector-for-rs-422-rs-485-lines","title":"AL-D2W-05  -  Outdoor 3-Stage Lightning Surge Protector for RS-422 \u0026 RS-485 Lines","description":"The AL-D2W-05 is HyperLink's outdoor version of its HGLN-D2-05 protector. This high performance 3-stage lightning protector provides superior protection of differential or balanced digital or analog lines from transients and surges. The units will protect two pairs of differential data or analog signal\/control lines. \u003cbr\u003e\u003cbr\u003e The first stage is comprised of a differential gas discharge tube. Stage two is a pair of current limiting series resistors and the final stage is a low capacitance diode array. The use of three terminal differential gas discharge tubes provides superior common and differential mode protection against conducted transients versus the use of lower cost two terminal tubes. The second stage series resistance limits the power dissipation of the fast diode clamp array in the third stage. This allows time for the slower but higher power gas tubes to flash over. The diode array clamps the leading edge of fast transients to safe levels until the high power gas tubes turn on. This eliminates the damaging leading edge spike that single stage gas tube protectors let leak through. The diode array's low capacitance assures that the suppressor will not degrade the high-speed signals. The 3-stage design can handle higher-level transients than a protector that uses only diodes. \u003cbr\u003e\u003cbr\u003e For more complete surge protection of data lines, the use of two units is recommended, one at each end of the line.\u003cbr\u003e\u003cbr\u003e \u003cb\u003eOutdoor Use\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e The compact weather resistant housing features a lockable hinged cover and mounting holes are provided on the rear of the enclosure for mounting. The two cable grommets may be adjusted to the size of the cable used and are removable.\u003cbr\u003e\u003cbr\u003e This protector is also available as a indoor model. See \u003ca href=\"\/item.aspx?ID=20951%22\"\u003e\u003cb\u003eHGLN-D2-05\u003c\/b\u003e\u003c\/a\u003e.\u003cbr\u003e\u003cbr\u003e \u003cb\u003eApplication Note:\u003c\/b\u003e\u003cbr\u003e Not for use with T1 lines with Ring or DC Power.\u003cbr\u003e\u003cbr\u003e\"\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eThree-Stage Protection\u003c\/li\u003e\n\u003cli\u003eSuperior to diode or TVS only based designs\u003c\/li\u003e\n\u003cli\u003eImpact and weather resistant enclosure with locking hinged cover\u003c\/li\u003e\n\u003cli\u003eScrew Terminal Blocks\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"L-Com","offers":[{"title":"Default Title","offer_id":8873892611,"sku":"AL-D2W-05","price":132.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/5892\/products\/PWD_AL-D2W-05_4064051a-3994-48c6-aca8-ee2c86bffb2e.jpeg?v=1787930109"},{"product_id":"weatherproof-3-stage-lightning-surge-protector-for-rs-485-lines","title":"AL-D3W-05  -  Weatherproof 3-Stage Lightning Surge Protector for RS-485 Lines","description":"The AL-D3W-05 is a high power 3-stage lightning and surge protector that provides superior protection of differential \/ balanced digital or analog lines from transients and surges. The unit will protect up to three pairs of lines or six single ended data, analog or control lines. Provisions for use with shielded cable are provided. \u003cbr\u003e\u003cbr\u003e The AL-D3W-05 is designed to convert into a failsafe mode in the rare case of a catastrophic surge or lightning event. For this mode, the resistors in the second stage will fuse and portions of the diode array will short. This effectively disconnects the line from sensitive equipment thus limiting damage. The units are factory repairable. \u003cbr\u003e\u003cbr\u003e This protector features a weatherproof ABS enclosure with gasketed cover and concealed mounting holes. Removable screw terminal strips are provided on the input and output for convenience. To ease installation, the terminal strips can be removed. A ground clamp provides a tie point for earth ground.\u003cbr\u003e\u003cbr\u003e For mounting to masts up to 2 inches in diameter, the HGX-PMT25 mast mounting kit is available (sold separately).\u003cbr\u003e\u003cbr\u003e See data sheet below for complete specifications.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eProtection for up to three pair of lines plus provisions for shielded cables\u003c\/li\u003e\n\u003cli\u003eHigh power 3-stage surge protection, superior to diode or TVS only based designs\u003c\/li\u003e\n\u003cli\u003eNEMA rated enclosure with gasketed cover and concealed mounting holes\u003c\/li\u003e\n\u003cli\u003eRemovable screw terminals\u003c\/li\u003e\n\u003cli\u003eGround clamp provided on outside of enclosure\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"L-Com","offers":[{"title":"Default Title","offer_id":8873893507,"sku":"AL-D3W-05","price":181.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/5892\/products\/PWD_AL-D3W-05_a572b19b-caa9-40b7-a816-272341dcc7f1.jpeg?v=1787930782"},{"product_id":"weatherproof-3-stage-4-ch-lightning-surge-protector-for-rs-422-rs-485-lines","title":"AL-D4-05W  -  Weatherproof 3-Stage 4-Ch Lightning Surge Protector for RS-422 \u0026 RS-485 Lines","description":"The AL-D4-05W is a high performance 3-stage weatherproof protector that provides superior protection of differential or balanced digital or analog lines from transients and surges. This unit will protect up to four pairs of lines or eight single ended data, analog or control lines.\u003cbr\u003e\u003cbr\u003e The AL-D4-05W series is designed to convert into a failsafe mode in the rare case of a catastrophic surge or lightning event. For this mode, the resistors in the second stage will fuse and portions of the diode array will short. This effectively disconnects the line from sensitive equipment thus limiting damage. The units are factory repairable. \u003cbr\u003e\u003cbr\u003e These protectors feature a weatherproof ABS enclosure with gasketed cover and concealed mounting holes. Removable screw terminal strips are provided on the input and output for convenience. To ease installation, the terminal strips can be removed. A ground clamp provides a tie point for earth ground. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eApplication Note:\u003c\/b\u003e Not for use with T1 lines with Ring or DC Power. \u003cbr\u003e\u003cbr\u003e For mounting to masts up to 2 inches in diameter, the HGX-PMT25 mast mounting kit is available (sold separately).\u003cbr\u003e\u003cbr\u003e For additional information and complete specifications, see data sheet below.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eProtection for up to four pairs of lines\u003c\/li\u003e\n\u003cli\u003eThree-Stage protection\u003c\/li\u003e\n\u003cli\u003eSuperior to diode or TVS only based designs\u003c\/li\u003e\n\u003cli\u003eWeatherproof ABS enclosure\u003c\/li\u003e\n\u003cli\u003eRemovable screw terminal blocks\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"L-Com","offers":[{"title":"Default Title","offer_id":8873894723,"sku":"AL-D4-05W","price":174.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/5892\/products\/PWD_AL-D4-05W_a57733c5-583c-4cba-a37a-6bceb3f2d6c2.jpeg?v=1787932537"},{"product_id":"outdoor-rs-422-rs-485-lightning-surge-protector","title":"AL-D4W-05  -  Outdoor RS-422 \u0026 RS-485 Lightning Surge Protector","description":"High voltage transients caused by lightning strikes have the ability to easily destroy semiconductor junctions, and thus, cause equipment failure and loss. A lightning strike close to data lines can also cause induced ground currents that can also do serious damage. The AL-D4W-05 high performance lightning protector provides superior protection of RS-422, RS485 or other 5-volt data lines from these transients or surges.\u003cbr\u003e\u003cbr\u003e The low capacitance diode array assures that the RS-422\/485 signals will not be degraded by the suppressor. This is in comparison to protectors based on high capacitance TVS diodes. The unit will protect two full duplex RS-422 data line or four half duplex RS-485 data lines. For more complete protection, two units should be used, one on each end of the line.\u003cbr\u003e\u003cbr\u003e The compact weather resistant housing features a lockable hinged cover and break-away holes are provided on the rear of the enclosure for mounting. The cable grommet may be adjusted to cable size and is removable.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eRS-422 \/ RS-485 protection\u003c\/li\u003e\n\u003cli\u003eProtection of two full duplex RS-422 data lines or four half duplex RS-485 data lines\u003c\/li\u003e\n\u003cli\u003eScrew terminal blocks\u003c\/li\u003e\n\u003cli\u003eImpact and weather resistant\u003c\/li\u003e\n\u003cli\u003eLocking hinged cover\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"L-Com","offers":[{"title":"Default Title","offer_id":8873895619,"sku":"AL-D4W-05","price":107.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/5892\/products\/PWD_AL-D4W-05_b3e238c8-2782-4212-8ad6-156135cd28ed.jpeg?v=1787931752"},{"product_id":"industrial-grade-3-stage-lightning-surge-protector-for-rs-422-rs-485-lines","title":"Industrial Grade 3-Stage Lightning Surge Protector for RS-422 \u0026 RS-485 Lines","description":"This high performance 3-stage lightning protector provides superior protection of differential or balanced digital or analog lines from transients and surges. The units will protect two pairs of differential data or analog signal\/control lines. \u003cbr\u003e\u003cbr\u003e The first stage is comprised of a differential gas discharge tube. Stage two is a pair of current limiting series resistors and the final stage is a low capacitance diode array. The use of three terminal differential gas discharge tubes provides superior common and differential mode protection against conducted transients versus the use of lower cost two terminal tubes. The second stage series resistance limits the power dissipation of the fast diode clamp array in the third stage. This allows time for the slower but higher power gas tubes to flash over. The diode array clamps the leading edge of fast transients to safe levels until the high power gas tubes turn on. This eliminates the damaging leading edge spike that single stage gas tube protectors let leak through. The diode array's low capacitance assures that the suppressor will not degrade the high-speed signals. The 3-stage design can handle higher-level transients than a protector that uses only diodes.\u003cbr\u003e\u003cbr\u003e This protector features an industrial grade die cast aluminum enclosure with gasketed cover and concealed mounting holes. It includes an aluminum mounting kit and hardware. PG16 cable glands are provided on the enclosure as well as an external ground clamp provided a tie point for earth ground.\u003cbr\u003e\u003cbr\u003e \u003cb\u003eApplication Note:\u003c\/b\u003e\u003cbr\u003e Not for use with T1 line with Ring or DC Power.\u003cbr\u003e\u003cbr\u003e For mounting to masts up to 2 inches in diameter, the HGX-PMT24 mast mounting kit is available (sold separately).\u003cbr\u003e\u003cbr\u003e For additional information and complete specification, see data sheet below.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eThree-Stage Protection\u003c\/li\u003e\n\u003cli\u003eSuperior to diode or TVS only based designs\u003c\/li\u003e\n\u003cli\u003eScrew Terminal Blocks\u003c\/li\u003e\n\u003cli\u003eIndustrial grade weatherproof die cast aluminum enclosure with mounting brackets\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"L-Com","offers":[{"title":"Default Title","offer_id":8873939459,"sku":"ALW-D2-05","price":222.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/5892\/products\/ALW-D2-05.jpg?v=1787930600"},{"product_id":"remote-electrical-tilt-ret-aisg-lightning-surge-protector","title":"HGLN-AISG1  -  Remote Electrical Tilt (RET)\/AISG Lightning\/Surge Protector","description":"The HGLN-AISG1 high performance 3-stage lightning\/surge protector provides superior protection from transients and surges for indoor and outdoor Remote Electrical Tilt (RET) equipment utilizing multi-wire control cables. The protector is compatible with AISG 5, 6 and 8-conductor control lines and provides individual protection of the Power and RS485 lines within the control cable.\u003cbr\u003e\u003cbr\u003e The design utilizes gas discharge tubes on each pin for superior power handling capability. In addition, the three EIA-485 control lines utilize a three-stage design for protection of sensitive semiconductors used in the interface. The 3-stage design can handle higher-level transients than a protector that uses only diodes. The HGLN-AISG1 arrestor provides protection for both EIA-485 control line implementations using two or three wires. EIA485+, EIA485- and EIA485gnd.\u003cbr\u003e\u003cbr\u003e \u003cb\u003eFailsafe Feature\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e The HGLN-AISG1 is designed to convert into a failsafe mode in the rare case of a catastrophic surge or lightning event. For this mode, the resistors in the second stage will fuse and portions of the diode array will short to ground. This effectively disconnects the line from sensitive equipment thus limiting damage. The units are factory repairable. For more complete surge protection of data lines, the use of two units is recommended, one at each end of the line. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eAISG Compatible\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e The HGLN-AISG1 is fully compatible with AISG control lines and connectors. Two 8-pin (1-male and 1-female) connectors are provided. A ground terminal is provided directly on the protector providing superior grounding.\u003cbr\u003e\u003cbr\u003e The 3-stage design and low cost makes this lightning suppressor a ideal alternative to the Huber Suhner #3414 series, PolyPhaser #DAS-TP-001 \u0026amp; DAS-TP-002, Shireen #50510 and Andrew ATLP200-001 protectors.\u003cbr\u003e\u003cbr\u003e For additional information and complete specifications, see data sheet below.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eProtects each pin with gas discharge tubes\u003c\/li\u003e\r\n\u003cli\u003e3-Stage surge protection for EIA-485 signals including ground reference line\u003c\/li\u003e\r\n\u003cli\u003eWaterproof housing\u003c\/li\u003e\r\n\u003cli\u003eMounting bracket\u003c\/li\u003e\r\n\u003cli\u003e2 x 8-Pin connectors\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"L-Com","offers":[{"title":"Default Title","offer_id":8873950083,"sku":"HGLN-AISG1","price":352.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/5892\/products\/PWD_HGLN-AISG1_db49b3e4-6c35-410c-9fb4-d9c32c77d072.jpeg?v=1787932803"},{"product_id":"indoor-3-stage-lightning-surge-protector-for-rs-485-lines","title":"Indoor 3-Stage Lightning Surge Protector for RS-485 Lines","description":"The HGLN-D1-05 high performance 3-stage lightning protector provides superior protection of differential or balanced digital or analog lines from transients and surges. The unit will also protect two single ended data, analog or control lines. \u003cbr\u003e\u003cbr\u003e The first stage is comprised of a differential gas discharge tube. Stage two is a pair of current limiting series resistors and the final stage is a low capacitance diode array. The use of three terminal differential gas discharge tubes provides superior common and differential mode protection against conducted transients versus the use of lower cost two terminal tubes. The second stage series resistance limits the power dissipation of the fast diode clamp array in the third stage. This allows time for the slower but higher power gas tubes to flash over. The diode array clamps the leading edge of fast transients to safe levels until the high power gas tubes turn on. This eliminates the damaging leading edge spike that single stage gas tube protectors let leak through. The diode array's low capacitance assures that the suppressor will not degrade the high-speed signals. The 3-stage design can handle higher-level transients than a protector that uses only diodes. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eFailsafe Feature\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e The HGLN-D1-05 is designed to convert into a failsafe mode in the rare case of a catastrophic surge or lightning event. For this mode, the resistors in the second stage will fuse and portions of the diode array will short. This effectively disconnects the line from sensitive equipment thus limiting damage. The units are factory repairable \u003cbr\u003e\u003cbr\u003e For more complete surge protection of data lines, the use of two units is recommended, one at each end of the line.\u003cbr\u003e\u003cbr\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e3-Stage surge protection\u003c\/li\u003e\r\n\u003cli\u003eSuperior to diode or TVS only based designs\u003c\/li\u003e\r\n\u003cli\u003eFailsafe mode of operation\u003c\/li\u003e\r\n\u003cli\u003eDie Cast aluminum construction\u003c\/li\u003e\r\n\u003cli\u003eIntegral mounting feet\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"L-Com","offers":[{"title":"Default Title","offer_id":8873957251,"sku":"HGLN-D1-05","price":156.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/5892\/products\/PWD_HGLN-D1-05_47bc4475-cdbb-4409-9d95-2e1f8d1f6468.jpeg?v=1787930851"},{"product_id":"indoor-3-stage-lightning-surge-protector-for-rs-422-rs-485-lines","title":"Indoor 3-Stage Lightning Surge Protector for RS-422 \u0026 RS-485 Lines","description":"The HGLN-D2 series of high performance 3-stage lightning protector provide superior protection of differential or balanced digital or analog lines from transients and surges. The units will protect two pairs of differential data or analog signal\/control lines.\u003cbr\u003e\u003cbr\u003e The first stage is comprised of a differential gas discharge tube. Stage two is a pair of current limiting series resistors and the final stage is a low capacitance diode array. The use of three terminal differential gas discharge tubes provides superior common and differential mode protection against conducted transients versus the use of lower cost two terminal tubes. The second stage series resistance limits the power dissipation of the fast diode clamp array in the third stage. This allows time for the slower but higher power gas tubes to flash over. The diode array clamps the leading edge of fast transients to safe levels until the high power gas tubes turn on. This eliminates the damaging leading edge spike that single stage gas tube protectors let leak through. The diode array's low capacitance assures that the suppressor will not degrade the high-speed signals. The 3-stage design can handle higher-level transients than a protector that uses only diodes.\u003cbr\u003e\u003cbr\u003e For more complete surge protection of data lines, the use of two units is recommended, one at each end of the line. \u003cbr\u003e\u003cbr\u003e For outdoor applications, this protector is also available in a weather resistant enclosure. See \u003ca href=\"\/item.aspx?ID=22178%22\"\u003e\u003cb\u003eAL-D2W-05\u003c\/b\u003e\u003c\/a\u003e.\u003cbr\u003e\u003cbr\u003e \u003cb\u003eApplication Note:\u003c\/b\u003e\u003cbr\u003e Not for use with T1 lines with Ring or DC Power.\u003cbr\u003e\u003cbr\u003e\"\u003cbr\u003e\u003cbr\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eIndustrial grade\u003c\/li\u003e\r\n\u003cli\u003e3-Stage surge protection\u003c\/li\u003e\r\n\u003cli\u003eCast aluminum construction, integral mounting feet\u003c\/li\u003e\r\n\u003cli\u003eProtection of digital or analog signal or control lines \u0026amp; provision for shielded cables\u003c\/li\u003e\r\n\u003cli\u003eSuperior to diode or TVS only based designs\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"L-Com","offers":[{"title":"Default Title","offer_id":8873957571,"sku":"HGLN-D2-05","price":154.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/5892\/products\/PWD_HGLN-D2-05_e0795350-3433-4afe-894d-e6d9a1ba6b3f.jpeg?v=1787932409"}],"url":"https:\/\/itm-components.co.uk\/collections\/rs-422-485-t1-e1-j1.oembed","provider":"ITM Components","version":"1.0","type":"link"}