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.
£51.59
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.
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.
| 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 |
It switches control signals and small loads in PLC-controlled machinery, automation systems and electrical control panels.
Yes. Its 24 V DC, 1.2 W low-consumption coil is designed for direct operation from a compatible PLC output.
The relay has two normally open and two normally closed contacts, providing a 2NO + 2NC arrangement.
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.
The compact relay can be mounted on a compatible DIN rail or directly onto a mounting surface and connected through screw terminals.
ABB MCRI mini contactor relays combine low coil consumption, compact construction and dependable switching to support efficient PLC-controlled machinery and industrial automation systems.{ "@context": "https://schema.org/", "@type": "Product", "name": "ABB 1SAH100532R9900 MCRI022ATD PLC Mini Contactor Relay 2NO 2NC 24 V DC", "sku": "1SAH100532R9900", "mpn": "MCRI022ATD", "brand": { "@type": "Brand", "name": "ABB" }, "category": "Mini Contactor Relays", "description": "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.", "additionalProperty": [ { "@type": "PropertyValue", "name": "Auxiliary contacts", "value": "2NO + 2NC" }, { "@type": "PropertyValue", "name": "Control voltage", "value": "24 V DC" }, { "@type": "PropertyValue", "name": "Coil consumption", "value": "1.2 W" }, { "@type": "PropertyValue", "name": "AC-15 rating at 240 V", "value": "6 A" }, { "@type": "PropertyValue", "name": "Protection rating", "value": "IP20 at terminals" } ] } { "@context": "https://schema.org", "@type": "FAQPage", "inLanguage": "en-GB", "mainEntity": [ { "@type": "Question", "name": "What is the ABB 1SAH100532R9900 used for?", "acceptedAnswer": { "@type": "Answer", "text": "It switches control signals and small loads in PLC-controlled machinery, automation systems and electrical control panels." } }, { "@type": "Question", "name": "Can this mini contactor relay be controlled directly by a PLC?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Its 24 V DC, 1.2 W low-consumption coil is designed for direct operation from a compatible PLC output." } }, { "@type": "Question", "name": "How many contacts does the MCRI022ATD have?", "acceptedAnswer": { "@type": "Answer", "text": "The relay has two normally open and two normally closed contacts, providing a 2NO + 2NC arrangement." } }, { "@type": "Question", "name": "What is the AC-15 current rating?", "acceptedAnswer": { "@type": "Answer", "text": "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." } }, { "@type": "Question", "name": "How is the ABB 1SAH100532R9900 installed?", "acceptedAnswer": { "@type": "Answer", "text": "The compact relay can be mounted on a compatible DIN rail or directly onto a mounting surface and connected through screw terminals." } } ] }
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...