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1SAH102018R9900 ABB MCRA040AT6 Mini Contactor Relay 4NO Control Relay
ABB 1SAH102018R9900 MCRA040AT6 mini contactor relay with 4 normally open contacts, 220–230 V AC coil and screw terminals for industrial control applications.
£25.63
Why Choose the ABB 1SAH102018R9900 Mini Contactor Relay?
The ABB 1SAH102018R9900 is a compact and reliable mini contactor relay designed for switching control signals and auxiliary circuits in industrial automation, commercial installations and building control systems. As part of the ABB MCR mini contactor relay series, it provides dependable switching performance where space-efficient installation and reliable control operation are required.
This device features a four-pole contactor relay configuration with 4 normally open contacts and a 220–230 V AC coil supply. Its compact screw-terminal construction allows straightforward installation, while its wall or DIN rail mounting capability makes it suitable for a wide range of control panel applications.
With a rated operational current of 4 A at 400 V and control switching capability up to 6 A at 240 V AC-15, the ABB MCRA040AT6 mini contactor relay provides reliable switching for control circuits, signalling systems and industrial automation equipment.
Key Advantages
- Compact mini contactor relay for industrial control applications.
- 4NO contact configuration for flexible switching and signalling.
- 220–230 V AC coil operation for standard control systems.
- Space-saving design for compact electrical panels.
- Screw terminal connections provide secure and reliable wiring.
- Suitable for wall or DIN rail mounting installations.
Key Features
- ABB MCR mini contactor relay series.
- MCRA040AT6 type.
- Four-pole contactor relay design.
- 4 normally open (NO) contacts.
- 220–230 V AC coil voltage at 50/60 Hz.
- 4 A rated operational current at 400 V.
- 6 A AC-15 control switching capability at 240 V.
- DIN rail or wall mounting compatibility.
Reliable Control Switching for Automation Systems
Mini contactor relays such as the ABB 1SAH102018R9900 provide dependable switching of control circuits, signalling equipment and auxiliary loads. Their compact construction enables efficient panel layouts while maintaining reliable electrical performance.
The ABB MCR series is designed for applications requiring flexible contact arrangements, secure connections and proven switching reliability. The 1SAH102018R9900 combines a compact footprint with four normally open contacts for industrial control environments.
Typical Applications
- Industrial automation control panels.
- Building automation systems.
- Motor control circuits.
- Machine control and OEM equipment.
- Electrical signalling applications.
- Commercial and industrial installations.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 200–250 V | |
| Coil / Supply Voltage | 220 V AC, 230 V AC | |
| Device Type | Contactor relay | |
| Coil Type | AC | |
| Current AC-1 | 10 A | |
| Manufacturer | ABB | |
| Series | MCR Mini Contactor Relays | |
| Model | MCRA040AT6 | |
| Product ID | 1SAH102018R9900 | |
| Product type | Mini contactor relay | |
| Number of contacts | 4 | |
| Contact configuration | 4NO | |
| Coil type | AC | |
| Coil / Supply Voltage | 220–230 V AC at 50/60 Hz | |
| Rated operational current Ie at 400 V | 4 A | |
| AC-15 switching capability | 6 A at 240 V | |
| Rated insulation voltage | 690 V | |
| Rated impulse withstand voltage | 6 kV | |
| Conventional thermal current Ith | 10 A | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail or wall mounting | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | 48 × 45 × 56 mm | |
| Weight | approx. 0.17 kg |
Frequently Asked Questions
What is the ABB 1SAH102018R9900 used for?
The ABB 1SAH102018R9900 is a mini contactor relay used for switching control signals and auxiliary circuits in industrial and automation systems.
What contact configuration does this mini contactor relay have?
The unit features a 4NO (four normally open contacts) configuration for flexible control circuit applications.
What coil voltage does the ABB MCRA040AT6 use?
The relay operates with a 220–230 V AC coil supply at 50/60 Hz.
Where can the ABB 1SAH102018R9900 be installed?
The mini contactor relay can be installed in control panels using DIN rail or wall mounting arrangements.
What applications is this contactor relay suitable for?
It is suitable for industrial automation, building control, signalling 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.
