Protection Relays & Systems
Recommended Manufacturers
- Hamlin / Littelfuse
- - Littelfuse (NASDAQ: LFUS) - As the worldwide leader in circuit protection, Littelfuse offers POWR-GARD®, Teccor®, Wickmann®, Pudenz®, Hamlin®, PulseGuard®, SIDACtor®, PolySwitch, 2Pro and PolyZen branded products, with a wide range of technologies such as Fuses and Accessories, PTCs (PolySwitch), ......Details
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SE-703-0T
Hamlin / Littelfuse
Description:EARTH-LEAKAGE MONITOR 32V - 70V
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PGR-4700-240
Hamlin / Littelfuse
Description:SENS GRND FAULT RELAY 240V SUP
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EL731-23-10
Hamlin / Littelfuse
Description:AC/DC EARTH-LKGE RELAY
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SE-105D
Hamlin / Littelfuse
Description:GF-GC MONITOR 120-VAC/DC
- Agastat Relays / TE Connectivity
- - TE Connectivity Ltd. (NYSE: TEL), formally Tyco Electronics, is a $12 billion global technology leader. Our connectivity and sensor
solutions are essential in today's increasingly connected world. We collaborate with engineers to
transform their concepts into creations – redefining what's po......Details
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20-050-2X
Agastat Relays / TE Connectivity
Description:20-050-2X=WILMAR OVER/UNDER
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1618105-6
Agastat Relays / TE Connectivity
Description:WGD-125DC-10K=WILMAR DC GROUND
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WOV-3-220
Agastat Relays / TE Connectivity
Description:WOV-3-220=WILMAR OVERVOLTAGE R
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1618104-9
Agastat Relays / TE Connectivity
Description:WCT3-230AC-5=WILMAR OVERCURREN
- Omron Automation & Safety
- - Omron Electronics LLC is the US-based division of Omron Corporation's Automation & Safety business, a world-class manufacturer of industrial automation products with over 80 years of success.
We support machine builders and OEMs across the United States and Latin America with sensing and cont......Details
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SE-K4EN
Omron Automation & Safety
Description:RELAY MOTOR PROTECT 380/400/440V
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S8M-CP04
Omron Automation & Safety
Description:PWR MULTICIRCUIT PROTECT

- SE-703-0T
- Manufacturers: Hamlin / Littelfuse
- Description: EARTH-LEAKAGE MONITOR 32V - 70V
- In stock: 5617 pcs
- Download: SE-703-0T.pdf
- RFQ

- 20-050-2X
- Manufacturers: Agastat Relays / TE Connectivity
- Description: 20-050-2X=WILMAR OVER/UNDER
- In stock: 129 pcs
- Download:
- RFQ

- 1618105-6
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WGD-125DC-10K=WILMAR DC GROUND
- In stock: 76 pcs
- Download:
- RFQ

- PGR-4700-240
- Manufacturers: Hamlin / Littelfuse
- Description: SENS GRND FAULT RELAY 240V SUP
- In stock: 87 pcs
- Download: PGR-4700-240.pdf
- RFQ

- EL731-23-10
- Manufacturers: Hamlin / Littelfuse
- Description: AC/DC EARTH-LKGE RELAY
- In stock: 38 pcs
- Download: EL731-23-10.pdf
- RFQ

- WOV-3-220
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WOV-3-220=WILMAR OVERVOLTAGE R
- In stock: 145 pcs
- Download:
- RFQ

- SE-105D
- Manufacturers: Hamlin / Littelfuse
- Description: GF-GC MONITOR 120-VAC/DC
- In stock: 78 pcs
- Download: SE-105D.pdf
- RFQ

- EL731-02-10
- Manufacturers: Hamlin / Littelfuse
- Description: AC/DC EARTH-LKGE RELAY 75-275V
- In stock: 41 pcs
- Download: EL731-02-10.pdf
- RFQ

- SE-K4EN
- Manufacturers: Omron Automation & Safety
- Description: RELAY MOTOR PROTECT 380/400/440V
- In stock: 307 pcs
- Download: SE-K4EN.pdf
- RFQ

- PGR-8800-00-CC
- Manufacturers: Hamlin / Littelfuse
- Description: ARC FLASH RELAY CONFORMAL COATED
- In stock: 22 pcs
- Download: PGR-8800-00-CC.pdf
- RFQ

- SE-701-0U-CC
- Manufacturers: Hamlin / Littelfuse
- Description: SE-701-0U WITH CONFORMAL COATING
- In stock: 92 pcs
- Download: SE-701-0U-CC.pdf
- RFQ

- 1618104-9
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WCT3-230AC-5=WILMAR OVERCURREN
- In stock: 75 pcs
- Download:
- RFQ

- WOUF-12-400-T
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WOUF-12-400-T=RELAY, O/U FREQ
- In stock: 88 pcs
- Download:
- RFQ

- 1618069-2
- Manufacturers: Agastat Relays / TE Connectivity
- Description: 22-060X=WILMAR UNDERFREQUENCY
- In stock: 75 pcs
- Download:
- RFQ

- SE-330HV-04-01
- Manufacturers: Hamlin / Littelfuse
- Description: NGR MON HV UNIV E-NET SC FIBER R
- In stock: 22 pcs
- Download: SE-330HV-04-01.pdf
- RFQ

- 1-1618058-6
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WD32-001=RELAY, REV PWR, 24V
- In stock: 89 pcs
- Download:
- RFQ

- SE-330AU-21-00
- Manufacturers: Hamlin / Littelfuse
- Description: NEUTRAL-EARTHING-RES MON 48VDC D
- In stock: 17 pcs
- Download: SE-330AU-21-00.pdf
- RFQ

- 9-1618107-5
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WOUVT-3-480AC-P=WILMAR OVER/UN
- In stock: 68 pcs
- Download: 9-1618107-5.pdf
- RFQ

- SE-330AU-28-00
- Manufacturers: Hamlin / Littelfuse
- Description: MONITOR NGR 48V DUAL SC FBR
- In stock: 17 pcs
- Download: SE-330AU-28-00.pdf
- RFQ

- WD25-012
- Manufacturers: Agastat Relays / TE Connectivity
- Description: PROTECTIVE POWER RELAY
- In stock: 92 pcs
- Download:
- RFQ

- SE-330AU-23-01
- Manufacturers: Hamlin / Littelfuse
- Description: NEUTRAL-EARTHING-RES MON 48VDC E
- In stock: 21 pcs
- Download: SE-330AU-23-01.pdf
- RFQ

- S8M-CP04
- Manufacturers: Omron Automation & Safety
- Description: PWR MULTICIRCUIT PROTECT
- In stock: 343 pcs
- Download:
- RFQ

- PGR-3200
- Manufacturers: Hamlin / Littelfuse
- Description: GROUND FAULT&INSULATION MONITOR
- In stock: 91 pcs
- Download: PGR-3200.pdf
- RFQ

- 1618104-8
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WCT3-125DC-5H=WILMAR OVERCURRE
- In stock: 97 pcs
- Download:
- RFQ

- 251DC-1X
- Manufacturers: Agastat Relays / TE Connectivity
- Description: 251DC-1X=WILMAR OVER/UNDERVOLA
- In stock: 67 pcs
- Download:
- RFQ

- SE-330AU-28-01
- Manufacturers: Hamlin / Littelfuse
- Description: MONITOR NGR 48V DUAL SC FBR
- In stock: 19 pcs
- Download: SE-330AU-28-01.pdf
- RFQ

- 3-1618100-0
- Manufacturers: Agastat Relays / TE Connectivity
- Description: RELAY VOLTAGE 3 PHASE 480 VAC
- In stock: 75 pcs
- Download:
- RFQ

- SE-134C-XGC-10
- Manufacturers: Hamlin / Littelfuse
- Description: GF-GC MON DC SUPPLY EXT-GC
- In stock: 19 pcs
- Download: SE-134C-XGC-10.pdf
- RFQ

- 430DCX
- Manufacturers: Agastat Relays / TE Connectivity
- Description: 430DCX=RELAY, UNDERVOLTAGE
- In stock: 68 pcs
- Download:
- RFQ

- SE-330AU-27-00
- Manufacturers: Hamlin / Littelfuse
- Description: MONITOR NGR 48V SC FBR/RJ45
- In stock: 19 pcs
- Download: SE-330AU-27-00.pdf
- RFQ

- SE-330-23-11
- Manufacturers: Hamlin / Littelfuse
- Description: NGR MONITOR 48VDC ETHERNET NC CE
- In stock: 22 pcs
- Download: SE-330-23-11.pdf
- RFQ

- 1618074-8
- Manufacturers: Agastat Relays / TE Connectivity
- Description: 300-36X=WILMAR OVERVOLTAGE 138
- In stock: 55 pcs
- Download:
- RFQ

- SE-135-00
- Manufacturers: Hamlin / Littelfuse
- Description: GROUND-FAULT GROUND CHECK MON
- In stock: 34 pcs
- Download: SE-135-00.pdf
- RFQ

- SE-703-0U-02
- Manufacturers: Hamlin / Littelfuse
- Description: MONITOR EARTH LEAKAGE
- In stock: 128 pcs
- Download: SE-703-0U-02.pdf
- RFQ

- WOUF-12-60-T
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WOUF-12-60-T=RELAY, O/U FREQ
- In stock: 73 pcs
- Download:
- RFQ

- 2-1618112-1
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WUF-46-5060-T=WILMAR UNDERFREQ
- In stock: 100 pcs
- Download:
- RFQ

- 710X
- Manufacturers: Agastat Relays / TE Connectivity
- Description: 710X=WILMAR REVERSE POWER REL
- In stock: 84 pcs
- Download:
- RFQ

- MPU-32-X69X-11X00
- Manufacturers: Hamlin / Littelfuse
- Description: GE RETRO RS-232 RS-485 CIM RTD
- In stock: 16 pcs
- Download: MPU-32-X69X-11X00.pdf
- RFQ

- 255X
- Manufacturers: Agastat Relays / TE Connectivity
- Description: 255X=RELAY, OVER/UNDERVOLTAGE
- In stock: 76 pcs
- Download:
- RFQ

- SE-703-0D-00
- Manufacturers: Hamlin / Littelfuse
- Description: MONITOR EARTH LEAKAGE
- In stock: 100 pcs
- Download: SE-703-0D-00.pdf
- RFQ

- WCT1-125DC-5
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WCT1-125DC-5=RELAY, OVERCURREN
- In stock: 81 pcs
- Download:
- RFQ

- SE-330AU-00-01
- Manufacturers: Hamlin / Littelfuse
- Description: NEUTRAL-EARTHING-RESISTOR MONITO
- In stock: 28 pcs
- Download: SE-330AU-00-01.pdf
- RFQ

- WUV-3-380
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WUV-3-380=WILMAR UNDERVOLTAGE
- In stock: 136 pcs
- Download:
- RFQ

- 1618062-3
- Manufacturers: Agastat Relays / TE Connectivity
- Description: 1300-11X=RELAY, PHASE BALANCE
- In stock: 36 pcs
- Download:
- RFQ

- 2-1618379-1
- Manufacturers: Agastat Relays / TE Connectivity
- Description: WOVT1-525-H=RELAY, OVERVOLTAGE
- In stock: 80 pcs
- Download:
- RFQ

- 6-1618071-6
- Manufacturers: Agastat Relays / TE Connectivity
- Description: 255-4X=WILMAR OVER/UNDERVOLTAG
- In stock: 114 pcs
- Download:
- RFQ