ABB 1SBH136001R2140 NFZ40E-21 4-pole contactor relay with 4 normally open mechanically linked contacts, 24-60 V AC / 20-60 V DC electronic coil and compact DIN rail mounting design for industrial automation applications.
£92.91
The ABB 1SBH136001R2140 (NFZ40E-21) is a compact and highly reliable contactor relay designed for switching auxiliary and control circuits in industrial automation systems. As part of the advanced ABB NF contactor relay series, it incorporates ABB's innovative electronic coil technology, providing exceptional flexibility for machine builders, OEMs and panel manufacturers.
The NFZ40E-21 features a 24-60 V AC (50/60 Hz) or 20-60 V DC electronic control coil, allowing one relay to operate across multiple worldwide control voltages. Built-in surge protection, reduced holding coil consumption and direct PLC compatibility simplify panel design while improving energy efficiency and operational reliability.
Featuring a 4-pole configuration with 4 normally open (4NO) contacts, the NFZ40E-21 is ideal for industrial control panels, machine automation, motor control systems and OEM equipment requiring dependable auxiliary switching.
The ABB NFZ40E-21 contactor relay is engineered to provide dependable switching of auxiliary and signalling circuits in demanding industrial environments. Its electronic coil technology enables one relay to support multiple global control voltages, reducing inventory requirements while simplifying machine design.
Integrated surge protection, SEMI F47 voltage dip compliance and direct PLC compatibility help improve reliability while reducing installation time and panel complexity, making the NFZ40E-21 ideal for modern automation systems.
| Current | 3 A |
|---|---|
| Voltage | 60 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | NFZ Contactor Relays |
| Product code | 1SBH136001R2140 |
| Product type | Contactor relay |
| Number of poles | 4P |
| Contact configuration | 4 NO |
| 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 |
| Protection rating | IP20 |
| Dimensions (W × H × D) | approx. 45 × 86 × 77 mm |
| Weight | approx. 0.31 kg |
| Standards | IEC/EN 60947-1, IEC/EN 60947-5-1, UL 508, CSA C22.2 No.14 |
It is a contactor relay designed for switching auxiliary and control circuits in industrial automation, electrical control panels and OEM machinery.
The relay features 4 normally open (4NO) auxiliary contacts for reliable control circuit switching.
The NFZ40E-21 operates from a 24-60 V AC (50/60 Hz) or 20-60 V DC electronic control supply.
Yes. Integrated surge protection is built into the electronic coil, eliminating the need for additional suppression components.
Yes. The NFZ40E-21 is designed for direct PLC output control while maintaining low holding coil power consumption.
ABB NF contactor relays are trusted worldwide for reliable auxiliary switching, advanced electronic coil technology and dependable performance across demanding industrial automation applications.
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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...