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1SAH100532R9900 ABB MCRI022ATD Mini Contactor Relay 2NO 2NC Control Relay
ABB 1SAH100532R9900 MCRI022ATD is a compact PLC-controlled mini contactor relay with 2NO and 2NC contacts and a low-consumption 24 V DC, 1.2 W coil.
£33.53
Why Choose the ABB 1SAH100532R9900 PLC-Controlled Mini Contactor Relay?
The ABB 1SAH100532R9900, also designated MCRI022ATD, is a compact four-pole mini contactor relay designed for switching control signals and small loads in industrial automation, machinery and building-control systems. Its low-consumption DC coil enables direct control from a compatible programmable logic controller.
This contactor relay incorporates two normally open and two normally closed auxiliary contacts, providing a versatile arrangement for switching, signalling and electrical interlocking. Screw terminals simplify control-panel wiring, while its compact construction suits installations where available space is limited.
With a 24 V DC control coil consuming 1.2 W, the MCRI022ATD is suitable for direct PLC operation without an intermediate coupling relay where the PLC output has the required capacity. It supports AC-15 control loads up to 6 A at 240 V AC and can be installed on a DIN rail or mounting surface.
Key Advantages
- Low-consumption 1.2 W coil supports direct PLC control.
- 2NO + 2NC contact arrangement suits flexible control logic.
- Compact four-pole construction saves control-panel space.
- 24 V DC control voltage suits industrial automation systems.
- Screw terminals simplify installation and maintenance.
- Suitable for DIN-rail or wall mounting.
Key Features
- ABB MCRI mini contactor relay series.
- Two normally open and two normally closed contacts.
- 24 V DC PLC-compatible control coil.
- Coil holding and pull-in consumption of 1.2 W.
- 6 A AC-15 rating at 240 V AC.
- Rated auxiliary-circuit voltage of 690 V AC and 440 V DC.
- Standard screw-terminal connections.
- IP20 terminal protection.
Efficient Direct Control from PLC Outputs
A mini contactor relay uses an electromagnetic coil to change the state of its auxiliary contacts. The low-power coil in the ABB MCRI022ATD allows a compatible 24 V DC PLC output to operate the relay directly, helping reduce the need for intermediate coupling components.
The combination of normally open and normally closed contacts supports signal distribution, interlocking and control-sequence functions. Compact dimensions and flexible mounting make the relay suitable for densely populated control panels and machine-control assemblies.
Typical Applications
- Direct switching from compatible PLC outputs.
- Industrial machinery control circuits.
- Electrical-panel relay logic and interlocking.
- Automation and process-control systems.
- Building-control and HVAC equipment.
- OEM machinery and compact control assemblies.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 24 V | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 24 V DC | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 2NO + 2NC | |
| Coil Type | DC | |
| Current AC-1 | 10 A | |
| Manufacturer | ABB | |
| Series | MCRI Mini Contactor Relays | |
| Model | MCRI022ATD | |
| Order code | 1SAH100532R9900 | |
| Product type | PLC-controlled mini contactor relay | |
| Number of poles | 4 | |
| Auxiliary contacts | 2NO + 2NC | |
| Control voltage | 24 V DC | |
| Coil consumption | 1.2 W holding and pull-in | |
| Rated operational current, AC-15 at 240 V | 6 A | |
| Rated operational current, AC-15 at 400 V | 4 A | |
| Rated operational current, AC-15 at 500 V | 2.5 A | |
| Rated operational current, AC-15 at 690 V | 1.5 A | |
| Rated operational current, DC-13 at 24 V | 5 A | |
| Conventional free-air thermal current | 10 A | |
| Rated auxiliary-circuit operational voltage | 690 V AC / 440 V DC | |
| Rated insulation voltage | 750 V | |
| Rated impulse withstand voltage | 6 kV | |
| Mechanical durability | 10,000,000 operating cycles | |
| Terminal type | Screw terminals | |
| Protection rating | IP20 at terminals | |
| Mounting type | DIN rail or wall mounting | |
| Dimensions (W × H × D) | 45 × 48 × 68 mm | |
| Operating temperature | -40 °C to +70 °C | |
| Storage temperature | -55 °C to +80 °C | |
| Maximum operating altitude | 3,000 m | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-5-1, UL 60947-1 and UL 60947-5-1 |
Frequently Asked Questions
What is the ABB 1SAH100532R9900 used for?
It switches control signals and small loads in PLC-controlled machinery, automation systems and electrical control panels.
Can this mini contactor relay be controlled directly by a PLC?
Yes. Its 24 V DC, 1.2 W low-consumption coil is designed for direct operation from a compatible PLC output.
How many contacts does the MCRI022ATD have?
The relay has two normally open and two normally closed contacts, providing a 2NO + 2NC arrangement.
What is the AC-15 current rating?
The contactor relay is rated at 6 A at 240 V AC and 4 A at 400 V AC under the AC-15 utilisation category.
How is the ABB 1SAH100532R9900 installed?
The compact relay can be mounted on a compatible DIN rail or directly onto a mounting surface and connected through screw terminals.
Trusted ABB Control for PLC Automation
ABB MCRI mini contactor relays combine low coil consumption, compact construction and dependable switching to support efficient PLC-controlled machinery and industrial automation systems.
