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1SAH100004R9900 ABB MCRA040ATN Mini Contactor Relay 4NO Control Relay
ABB 1SAH100004R9900 MCRA040ATN mini contactor relay with 4 normally open contacts and 220–240 V AC coil supply for industrial control applications.
£24.82
Why Choose the ABB 1SAH100004R9900 Mini Contactor Relay?
The ABB 1SAH100004R9900 is a compact and reliable mini contactor relay designed for switching control signals and small electrical loads in industrial, commercial and building automation applications. As part of the ABB MCR mini contactor relay series, it provides a space-saving solution where dependable control switching performance is required.
This device features a four-pole contactor relay configuration with 4 normally open contacts and screw terminals for straightforward electrical installation. Its compact dimensions make it suitable for control panels where space is limited while maintaining reliable switching capability.
With a 220–240 V AC coil supply at 50 Hz and 240–277 V AC at 60 Hz, the ABB MCRA040ATN mini contactor relay is designed for control applications requiring up to 6 A AC-15 switching capability. It can be installed on walls or DIN rails for flexible panel integration.
Key Advantages
- Compact mini contactor relay for industrial control applications.
- 4NO contact configuration for flexible switching circuits.
- 220–240 V AC 50 Hz coil operation with 240–277 V AC 60 Hz compatibility.
- Space-saving design for control cabinets and automation systems.
- Screw terminal connections provide secure and reliable wiring.
- Suitable for residential, commercial and industrial control applications.
Key Features
- ABB MCR mini contactor relay series.
- 4-pole auxiliary contactor relay design.
- 4 normally open (NO) contacts.
- 220–240 V AC coil voltage at 50 Hz.
- 240–277 V AC coil voltage at 60 Hz.
- 6 A AC-15 control switching capability.
- DIN rail or wall mounting capability.
- Compact screw-terminal construction.
Reliable Control Switching for Automation Systems
Mini contactor relays such as the ABB 1SAH100004R9900 provide dependable switching of control circuits, signalling systems and small electrical loads. Their compact construction allows engineers to build efficient control panels while maintaining reliable switching performance.
The ABB MCR series is designed for applications where high functionality is required within a reduced footprint. The 1SAH100004R9900 combines flexible mounting options, screw connections and proven ABB contact technology for industrial control environments.
Typical Applications
- Industrial automation control panels.
- Building automation systems.
- Motor control circuits.
- Machine control and OEM equipment.
- Electrical signalling and switching applications.
- Commercial and industrial installations.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Type | AC | |
| Coil Voltage Range | 200–250 V | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 220 V AC, 230 V AC, 240 V AC | |
| Device Type | Contactor relay | |
| Manufacturer | ABB | |
| Series | MCR Mini Contactor Relays | |
| Model | MCRA040ATN | |
| Product ID | 1SAH100004R9900 | |
| Product type | Mini contactor relay | |
| Number of poles | 4 | |
| Contact configuration | 4NO | |
| Rated control supply voltage | 220–240 V AC at 50 Hz | |
| Rated operational current | 6 A | |
| AC-15 switching capability | Up to 6 A at 240 V | |
| Rated insulation voltage | 690 V | |
| Terminal type | Screw terminals | |
| Mounting type | Wall or DIN rail mounting | |
| Protection rating | IP20 terminals | |
| Weight | approx. 0.17 kg |
Frequently Asked Questions
What is the ABB 1SAH100004R9900 used for?
The ABB 1SAH100004R9900 is a mini contactor relay used for switching control signals and small electrical loads in industrial and automation systems.
What contact configuration does this mini contactor relay have?
The unit features a 4NO (four normally open contacts) configuration.
What coil voltage does the ABB MCRA040ATN use?
The relay operates with a 220–240 V AC coil supply at 50 Hz and 240–277 V AC at 60 Hz.
Where can the ABB 1SAH100004R9900 be installed?
The mini contactor relay can be installed in control panels using wall or DIN rail mounting arrangements.
What applications is this contactor relay suitable for?
It is suitable for industrial automation, building control, motor control circuits and electrical switching applications.
Trusted by Industrial Control Engineers
ABB mini contactor relays provide reliable and space-efficient switching solutions for modern automation systems, control panels and industrial electrical installations.
