ABB 1SBH136060R2140 NFZB40ERT-21 contactor relay with four normally open auxiliary contacts and wide AC/DC control voltage range for industrial and railway control applications.
£111.82
The ABB 1SBH136060R2140 is a compact and reliable contactor relay designed for switching auxiliary and control circuits in industrial automation, electrical systems and railway applications. As part of the advanced ABB NFZB..RT contactor relay series, it is engineered to provide dependable operation in demanding environments where space saving, vibration resistance and reliable control switching are essential.
This contactor relay features an electronic coil interface that supports a wide control voltage range, allowing flexible integration into AC and DC control systems. The NFZB..RT series is designed for applications requiring compliance with demanding railway and industrial standards, including environments exposed to vibration, temperature variation and restricted installation space.
With a 24–60 V AC / 20–60 V DC control supply, four normally open auxiliary contacts and a compact 45 mm width design, the ABB 1SBH136060R2140 is ideal for auxiliary circuit switching, control panels, railway equipment and industrial automation installations.
Contactor relays such as the ABB 1SBH136060R2140 provide reliable electrical switching of auxiliary circuits, allowing control systems, automation equipment and industrial machinery to operate safely and efficiently. Their compact design makes them suitable for installations where panel space is limited.
The NFZB..RT series is developed for applications requiring high reliability, including railway rolling stock and industrial environments. Its electronic coil interface, robust construction and compliance with recognised standards support dependable operation in challenging conditions.
| Manufacturer | ABB |
|---|---|
| Series | NFZB..RT Contactor Relays |
| Model | 1SBH136060R2140 |
| Alternative type designation | NFZB40ERT-21 |
| Product type | Contactor relay / auxiliary contactor |
| Contact configuration | 4NO |
| Rated control voltage AC | 24–60 V AC |
| Rated control voltage DC | 20–60 V DC |
| Rated operational voltage | Up to 690 V |
| Conventional free-air thermal current | 16 A |
| Rated operational current AC-15 | Up to 6 A |
| Rated insulation voltage | 690 V |
| Rated impulse withstand voltage | 6 kV |
| Mounting type | DIN rail / screw mounting |
| Terminal type | Screw terminals for ring tongue connections |
| Dimensions (H × W × D) | approx. 86 × 45 × 77 mm |
| Weight | approx. 0.32 kg |
The ABB 1SBH136060R2140 is a contactor relay used for switching auxiliary and control circuits in industrial and railway applications.
The unit features four normally open (4NO) auxiliary contacts for control switching applications.
The contactor relay operates with a 24–60 V AC or 20–60 V DC control supply.
The device is typically installed in electrical control panels, automation systems and railway equipment requiring reliable auxiliary circuit switching.
The ABB 1SBH136060R2140 is designed for DIN rail or screw mounting inside control cabinets and electrical installations.
ABB NFZB..RT contactor relays are widely used by automation engineers and system designers to deliver reliable auxiliary switching, compact installation and dependable performance in demanding control 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...