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1SAH102498R9910 ABB MCRC040ATWDD-RAIL Mini Contactor Relay 4NO Control Relay
ABB 1SAH102498R9910 MCRC040ATWDD-RAIL mini contactor relay with four normally open auxiliary contacts and a 17–30 V DC coil designed for industrial and railway control applications.
£43.51
Why Choose the ABB 1SAH102498R9910 MCRC040ATWDD-RAIL Mini Contactor Relay?
The ABB 1SAH102498R9910 is a compact and reliable MCRC040ATWDD-RAIL mini contactor relay designed for switching control signals and small electrical loads in industrial, railway and automation applications. As part of the ABB MCRC...RAIL mini contactor relay series, it provides dependable auxiliary switching performance where high reliability, compact installation and resistance to demanding operating conditions are required.
This mini contactor relay features a dimension-optimised four-pole DC-operated design with screw terminals, making it suitable for applications where high performance is required but available panel space is limited. The MCRC...RAIL series is designed for switching control signals and small loads up to 6 A / 240 V AC (AC-15) and is suitable for wall or DIN rail mounting.
With a 17–30 V DC control supply and a 4 normally open auxiliary contact configuration, the ABB 1SAH102498R9910 MCRC040ATWDD-RAIL provides flexible switching capability for automation systems, electrical control circuits and railway applications requiring reliable DC operation.
Key Advantages
- Compact mini contactor relay designed for industrial and railway applications.
- 4 normally open auxiliary contacts for flexible control circuit switching.
- 17–30 V DC control supply suitable for industrial DC control systems.
- Rail-certified design for demanding transportation environments.
- Space-saving construction for electrical panels and automation equipment.
- Reliable ABB engineering for long service life and consistent switching performance.
Key Features
- ABB MCRC040ATWDD-RAIL mini contactor relay.
- 4-pole auxiliary contact design.
- 4 normally open (NO) contacts.
- 6 A rated operational current.
- 4 A operational current at 400 V AC.
- 17–30 V DC extended operating limits coil.
- DC operated control circuit.
- Screw terminal connection system.
- DIN rail and wall mounting design.
- Suitable for railway applications according to relevant environmental standards.
Reliable Control Switching for Industrial Applications
Mini contactor relays such as the ABB MCRC040ATWDD-RAIL provide dependable switching of auxiliary circuits and control signals in electrical systems. Their compact design enables engineers to build efficient control panels while maintaining reliable switching performance.
The ABB MCRC...RAIL series is designed for applications requiring robust operation, compact installation and reliable performance in challenging environments. The 1SAH102498R9910 combines ABB quality with flexible mounting and dependable DC control switching capability.
Typical Applications
- Railway control and signalling systems.
- Industrial automation control panels.
- Machine building and OEM equipment.
- DC control circuits and auxiliary switching applications.
- Transportation electrical systems.
- Industrial distribution and control equipment.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Device Type | Contactor relay | |
| Auxiliary Contacts | None | |
| Coil Type | DC | |
| Manufacturer | ABB | |
| Series | MCRC...RAIL Mini Contactor Relays | |
| Model | MCRC040ATWDD-RAIL | |
| Part number | 1SAH102498R9910 | |
| Product type | Mini contactor relay | |
| Contact configuration | 4NO | |
| Number of auxiliary contacts NO | 4 | |
| Rated control voltage | 17–30 V DC | |
| Rated operational voltage | 690 V AC / 440 V DC | |
| Rated operational current | 6 A | |
| Rated operational current at 400 V AC | 4 A | |
| Rated insulation voltage | 750 V | |
| Connection type | Screw terminals | |
| Mounting type | DIN rail / wall mounting | |
| Protection rating | IP20 terminals | |
| Dimensions (H × W × D) | 48 × 45 × 68 mm | |
| Weight | approx. 0.235 kg |
Frequently Asked Questions
What is the ABB 1SAH102498R9910 used for?
The ABB 1SAH102498R9910 is a mini contactor relay used for switching control signals and small electrical loads in industrial automation and railway applications.
What contact configuration does this relay have?
The MCRC040ATWDD-RAIL features four normally open (NO) auxiliary contacts.
What control voltage does the ABB MCRC040ATWDD-RAIL require?
The relay operates with a 17–30 V DC control supply.
What type of mounting is supported?
The ABB 1SAH102498R9910 supports DIN rail and wall mounting for flexible installation in electrical control panels.
Where is this mini contactor relay typically installed?
The relay is typically installed in industrial automation panels, railway systems and electrical enclosures requiring reliable auxiliary switching.
Trusted by Automation Engineers Worldwide
ABB mini contactor relays are widely used in industrial and railway control applications to provide reliable auxiliary switching, compact installation and dependable operation in modern electrical systems.
