ABB 1SBH137001R1231 NF31E-22 4-pole contactor relay with 2 NO and 2 NC mechanically linked contacts, 24-60 V AC / 20-60 V DC electronic coil and compact DIN rail mounting design for industrial automation applications.
£45.26
The ABB NF31E-12 (1SBH137001R1231) is a compact and highly reliable 4-pole contactor relay designed for switching auxiliary and control circuits in industrial automation systems. As part of the advanced ABB NF contactor relay series, it features ABB's electronic coil technology, allowing reliable operation across a wide control voltage range while maintaining consistent performance even during unstable supply conditions.
The NF series incorporates built-in surge suppression, eliminating the need for external suppressors and simplifying control panel design. Its mechanically linked auxiliary contacts, compact block construction and DIN rail mounting make it ideal for demanding industrial applications requiring dependable control circuit switching.
Featuring a 48-130 V AC/DC electronic control coil, 3 normally open and 1 normally closed contacts, and a rated operational voltage of 690 V AC, the NF31E-12 is ideally suited to PLC interfaces, machine control panels, signalling systems, interlocking circuits and industrial automation equipment.
The ABB NF31E-12 is engineered for dependable switching of auxiliary and control circuits in industrial automation systems. Its electronic coil technology enables one relay to operate across a broad international voltage range, reducing inventory requirements while ensuring reliable operation despite supply voltage fluctuations.
Integrated surge suppression protects connected control equipment while simplifying wiring, making the NF31E-12 an excellent choice for machine builders, panel manufacturers and industrial automation engineers.
| Current | 6 A |
|---|---|
| Voltage | 60 V |
| Phase | Three Phase |
| Series | NF Contactor Relays |
| Product code | 1SBH137001R1231 |
| Product type | Contactor relay |
| Number of poles | 4P |
| Contact configuration | 2 NO + 2 NC |
| Control voltage | 24-60 V AC 50/60 Hz / 20-60 V DC |
| Rated operational voltage | 690 V AC |
| Rated operational current AC-15 | 6 A at 24/127 V |
| Conventional thermal current | 16 A |
| Rated insulation voltage | 690 V IEC / 600 V UL |
| Rated impulse withstand voltage | 6 kV |
| Maximum mechanical switching frequency | 6000 cycles per hour |
| Maximum electrical switching frequency | 1200 cycles per hour AC-15 |
| Mounting type | DIN rail / panel mounting |
| Terminal type | Screw terminals |
| Dimensions (W × H × D) | approx. 45 × 86 × 77 mm |
| Weight | approx. 0.27 kg |
| Standards | IEC/EN 60947-1, IEC/EN 60947-5-1, UL 508 |
It is designed for switching auxiliary and control circuits in industrial automation, machine control and electrical panel applications.
The NF31E-12 operates from a 48-130 V AC/DC electronic control coil.
This model provides 3 normally open and 1 normally closed mechanically linked contacts.
Yes. The relay includes integrated surge suppression, eliminating the need for external suppression devices.
It is commonly installed in PLC panels, industrial machinery, automation systems and electrical control cabinets.
ABB NF contactor relays are trusted worldwide for reliable auxiliary circuit switching, combining electronic coil technology, integrated protection and dependable long-term industrial performance.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...