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1SBH136063R2131 ABB NFZB31EK-21 Railway Standard Electronic Coil Contactor 48V AC Coil
ABB 1SBH136063R2131 NFZB31EK-21 contactor relay with 3 NO and 1 NC auxiliary contacts and 24–60 V AC/DC coil control for industrial and railway control systems.
£83.57
Why Choose the ABB 1SBH136063R2131 Contactor Relay?
The ABB 1SBH136063R2131 is a compact and highly reliable contactor relay designed for switching and controlling auxiliary circuits in industrial automation, railway rolling stock and electrical control systems. As part of the ABB NFZB31EK-21 contactor relay series, it is engineered for demanding applications requiring dependable operation, compact installation and reliable auxiliary switching performance.
This contactor relay features an electronic AC/DC coil interface, mechanically linked auxiliary contacts and push-in spring terminals for fast and secure wiring. The NFZB series is designed for railway and industrial applications, providing wide control voltage acceptance, reduced coil energy consumption and reliable performance in demanding environments.
With a 24–60 V AC 50/60 Hz and 20–60 V DC coil supply, 3 normally open and 1 normally closed auxiliary contact, and a compact 4-pole configuration, the ABB 1SBH136063R2131 is ideal for control, signalling, interlocking and auxiliary switching applications.
Key Advantages
- Reliable ABB NFZB contactor relay designed for industrial and railway applications.
- 3 NO + 1 NC auxiliary contact configuration for flexible control and signalling.
- 24–60 V AC / 20–60 V DC wide-range coil operation for versatile system integration.
- Push-in spring terminals enable fast and secure wiring.
- Mechanically linked auxiliary contacts support dependable switching operation.
- Compact design enables space-saving installation in control cabinets.
Key Features
- ABB NFZB31EK-21 contactor relay series.
- 3 normally open auxiliary contacts.
- 1 normally closed auxiliary contact.
- 24–60 V AC 50/60 Hz coil voltage.
- 20–60 V DC coil voltage.
- 2 A rated operational current.
- 16 A conventional thermal current.
- Electronic coil interface for flexible control voltage operation.
- Push-in spring terminal connection technology.
- Suitable for railway rolling stock and industrial automation systems.
Reliable Control Switching for Industrial and Railway Systems
Contactor relays such as the ABB 1SBH136063R2131 provide dependable switching of auxiliary, signalling and interlocking circuits within industrial automation and railway systems. Their flexible contact arrangement allows engineers to implement reliable control functions while maintaining efficient installation layouts.
The ABB NFZB series is designed for applications where durability, vibration resistance and compact installation are essential. Its electronic coil interface, mechanically linked contacts and railway-focused construction support reliable operation in demanding environments.
Typical Applications
- Railway rolling stock control systems.
- Passenger and driver cabin electrical systems.
- Industrial automation control panels.
- PLC interface and signalling circuits.
- Machine building and OEM equipment.
- Electrical interlocking and auxiliary switching systems.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 24 V, 42–48 V, 60–72 V | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 24 V AC, 24 V DC, 48 V AC, 48 V DC, 60 V DC | |
| Device Type | Contactor relay | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NFZB31EK-21 | |
| Model | 1SBH136063R2131 | |
| Product type | Contactor relay | |
| Contact configuration | 3 NO + 1 NC auxiliary contacts | |
| Number of poles | 4-pole | |
| Control voltage | 24–60 V AC 50/60 Hz / 20–60 V DC | |
| Rated operational current | 2 A | |
| Conventional thermal current | 16 A | |
| Rated operational voltage | up to 690 V AC | |
| Rated insulation voltage | 690 V | |
| Rated impulse withstand voltage | 6 kV | |
| Mounting type | DIN rail / screw mounting | |
| Terminal type | Push-in spring terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 92.3 × 45 × 77 mm | |
| Weight | approx. 0.315 kg |
Frequently Asked Questions
What is the ABB 1SBH136063R2131 used for?
The ABB 1SBH136063R2131 is a contactor relay used for switching auxiliary, signalling and control circuits in industrial automation and railway applications.
What coil voltage does this contactor relay require?
The contactor relay operates with a 24–60 V AC or 20–60 V DC wide-range coil supply.
How many auxiliary contacts are included?
The ABB 1SBH136063R2131 includes 3 normally open contacts and 1 normally closed contact.
What is the rated operational current?
The contactor relay has a rated operational current of 2 A.
Where is this contactor relay installed?
The contactor relay is typically installed inside electrical control panels or railway equipment using DIN rail or screw mounting methods.
Trusted by Industrial Automation Professionals
ABB NFZB contactor relays provide reliable auxiliary switching solutions for railway systems, industrial automation engineers and machine builders requiring dependable control circuit management.
