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1SAH100003R9900 ABB MCRA040ATJ Mini Contactor Relay 4NO Control Relay
ABB 1SAH100003R9900 MCRA040ATJ mini contactor relay with 4 normally open contacts, 110–115 V AC coil and 6 A switching capacity for industrial control applications.
£24.82
Why Choose the ABB 1SAH100003R9900 MCRA040ATJ Mini Contactor Relay?
The ABB 1SAH100003R9900 is a compact and reliable mini contactor relay designed for switching control signals and auxiliary loads in residential, commercial and industrial automation applications. Part of the ABB M mini contactor relay series, it provides dependable switching performance where space-saving installation and reliable control are required.
This four-pole auxiliary contactor relay features a compact design with screw terminals, making it suitable for installation in control panels, electrical enclosures and DIN rail mounted applications. Its AC coil operation and multiple normally open contacts provide flexible solutions for control circuits, signalling and automation systems.
With a 110–115 V AC coil at 50 Hz, 4 normally open auxiliary contacts and switching capability up to 6 A / 240 V AC-15, the ABB 1SAH100003R9900 is ideal for industrial control systems, building automation and electrical switching applications where compact contactor relay functionality is required.
Key Advantages
- Compact mini contactor relay for industrial control applications.
- Four normally open auxiliary contacts for flexible signalling and switching.
- 110–115 V AC coil voltage for control circuit integration.
- Space-saving design for compact electrical panels.
- Screw terminal connections for secure and reliable wiring.
- Suitable for residential, commercial and industrial automation systems.
Key Features
- ABB MCRA040ATJ mini contactor relay.
- 4NO auxiliary contacts.
- 110–115 V AC coil at 50 Hz.
- 110–120 V AC coil at 60 Hz.
- 6 A rated operational current.
- 4 A operational current at 400 V.
- Screw terminal connection technology.
- Suitable for wall or DIN rail mounting.
Reliable Control Switching for Automation Systems
Mini contactor relays such as the ABB 1SAH100003R9900 provide reliable switching of control signals and auxiliary circuits in electrical automation systems. Their compact construction allows engineers to add dependable switching functionality while reducing panel space requirements.
The ABB M mini contactor relay range is designed for applications requiring reliable auxiliary switching, including industrial control panels, building automation systems and electrical installations where efficient control circuit management is essential.
Typical Applications
- Industrial automation control panels.
- Building automation systems.
- Control signal switching applications.
- Electrical distribution boards.
- Machine control systems.
- OEM equipment and industrial installations.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 100–130 V | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 110 V AC, 115 V AC | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 4NO | |
| Coil Type | AC | |
| Manufacturer | ABB | |
| Series | M Mini Contactors | |
| Model | 1SAH100003R9900 / MCRA040ATJ | |
| Product type | Mini contactor relay | |
| Number of poles | 4 | |
| Auxiliary contacts | 4 normally open (NO) | |
| Coil / Supply Voltage | 110–115 V AC (50 Hz) | |
| Rated operational current | 6 A | |
| Rated operational current at 400 V | 4 A | |
| Rated insulation voltage | 690 V AC | |
| Mounting type | DIN rail or wall mounting | |
| Connection type | Screw terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 48 × 45 × 56 mm | |
| Weight | approx. 0.17 kg |
Frequently Asked Questions
What is the ABB 1SAH100003R9900 used for?
The ABB 1SAH100003R9900 is a mini contactor relay used for switching control signals and auxiliary loads in automation and electrical control applications.
What coil voltage does the ABB 1SAH100003R9900 require?
The contactor relay operates with a 110–115 V AC coil at 50 Hz and 110–120 V AC at 60 Hz.
How many contacts does this mini contactor relay have?
The ABB 1SAH100003R9900 features four normally open auxiliary contacts.
What current can the ABB MCRA040ATJ switch?
The relay provides a rated operational current of 6 A and up to 4 A at 400 V.
Where is this contactor relay installed?
The device is typically installed inside electrical control panels, automation systems and DIN rail mounted enclosures.
Trusted by Automation Professionals Worldwide
ABB mini contactor relays provide compact and reliable switching solutions for industrial control, building automation and electrical system applications.
