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1SAH102570R9910 ABB MCRC040ATWJD-RAIL Mini Contactor Relay 4NO Control Relay
ABB 1SAH102570R9910 MCRC040ATWJD-RAIL mini contactor relay with four normally open contacts and 77–137 V DC control supply for industrial and railway switching applications.
£36.95
Why Choose the ABB 1SAH102570R9910 MCRC040ATWJD-RAIL Mini Contactor Relay?
The ABB 1SAH102570R9910 is a compact and reliable DC mini contactor relay designed for switching control signals and small electrical loads in industrial automation, railway and control panel applications. As part of the ABB MCRC...RAIL mini contactor relay series, it provides high performance where installation space is limited and dependable auxiliary switching is required.
This four-pole auxiliary contactor relay features a 4NO contact configuration, screw terminal connections and a 77–137 V DC control supply range. Its compact DIN rail mounting design allows efficient integration into electrical cabinets, automation systems and specialised industrial installations.
With a 6 A rated operational current, 4 A operational current at 400 V and compatibility with industrial and railway applications, the ABB MCRC040ATWJD-RAIL is suitable for reliable control signal switching where compact dimensions and robust performance are essential.
Key Advantages
- Compact DC mini contactor relay designed for space-saving installations.
- 4NO auxiliary contact configuration for flexible control switching.
- 77–137 V DC control voltage range suitable for DC control systems.
- DIN rail mounting enables simple installation in electrical panels.
- Railway-certified design for demanding transport and industrial applications.
- Reliable screw terminal connections for secure wiring.
Key Features
- ABB MCRC040ATWJD-RAIL mini contactor relay.
- Four-pole auxiliary contact relay design.
- Four normally open (4NO) contacts.
- 77–137 V DC control supply range.
- 6 A rated operational current.
- 4 A operational current at 400 V.
- Screw terminal connection system.
- DIN rail mounting capability.
- Suitable for railway and industrial control applications.
Reliable Switching for Industrial and Railway Control Systems
Mini contactor relays such as the ABB MCRC040ATWJD-RAIL provide dependable switching of auxiliary circuits, control signals and small electrical loads. Their compact design allows engineers to integrate reliable switching functions into systems where panel space is restricted.
The ABB MCRC...RAIL series is designed for applications requiring robust performance, flexible installation and dependable operation. The DIN rail format, DC coil operation and railway approvals make these relays suitable for specialised industrial and transport-related electrical systems.
Typical Applications
- Industrial automation control panels.
- Railway electrical systems.
- Machine control equipment.
- DC control and signalling circuits.
- Electrical distribution systems.
- OEM automation installations.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 100–130 V | |
| Coil / Supply Voltage | 110 V DC, 125 V DC | |
| Device Type | Contactor relay | |
| Coil Type | DC | |
| Manufacturer | ABB | |
| Series | MCRC...RAIL Mini Contactor Relays | |
| Model | MCRC040ATWJD-RAIL | |
| Part number | 1SAH102570R9910 | |
| Product type | Mini contactor relay | |
| Control voltage | 77–137 V DC | |
| Contact configuration | 4NO | |
| Number of auxiliary contacts | 4 | |
| Rated operational current | 6 A | |
| Rated operational current Ie at 400 V | 4 A | |
| Operating voltage AC | Up to 690 V AC | |
| Operating voltage DC | Up to 440 V DC | |
| Mounting type | DIN rail mounting | |
| Terminal type | Screw terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | 48 × 45 × 68 mm | |
| Weight | approx. 0.235 kg | |
| Standards | IEC/EN 61373 and EN 45545-2 railway certifications |
Frequently Asked Questions
What is the ABB 1SAH102570R9910 used for?
The ABB 1SAH102570R9910 is a DC mini contactor relay used for switching control signals and small electrical loads in industrial and railway applications.
What contact configuration does the MCRC040ATWJD-RAIL have?
The relay features a 4NO auxiliary contact configuration with four normally open contacts.
What coil voltage does the ABB MCRC040ATWJD-RAIL require?
The relay operates with a 77–137 V DC control supply range.
How is the ABB MCRC040ATWJD-RAIL installed?
The mini contactor relay is designed for DIN rail mounting inside electrical control cabinets.
What current can this mini contactor relay switch?
The ABB MCRC040ATWJD-RAIL has a rated operational current of 6 A and supports 4 A at 400 V.
Trusted by Automation Engineers Worldwide
ABB MCRC...RAIL mini contactor relays are widely used by electrical engineers and automation professionals to provide reliable auxiliary switching, compact installation and flexible integration into modern industrial and railway control systems.
