Why Choose the ABB 1SAH100016R9900 Mini Contactor Relay?
The ABB 1SAH100016R9900 is a compact and reliable mini contactor relay designed for switching control signals in industrial automation systems, electrical control panels and space-constrained installations. As the ABB MCRC031ATD mini contactor relay, it provides dependable switching performance in a dimension-optimised four-pole contactor relay design.
This mini contactor relay features 3 normally open and 1 normally closed auxiliary contacts with screw terminal connections, providing flexible switching options for industrial control circuits. Its compact construction makes it suitable for applications where reliable contactor relay performance is required while maintaining efficient panel space usage.
With a 24 V DC control coil, a 3NO + 1NC contact configuration and a compact housing suitable for wall or rail mounting, the ABB MCRC031ATD is ideal for industrial control applications requiring efficient and space-saving switching solutions.
Key Advantages
Compact mini contactor relay designed for industrial control applications.
3NO + 1NC auxiliary contact arrangement for flexible control circuits.
24 V DC coil voltage for modern industrial control systems.
Space-saving design for installations with limited panel space.
Screw terminal connections provide secure and practical wiring.
Suitable for industrial, commercial and automation applications.
3 normally open (NO) and 1 normally closed (NC) contacts.
24 V DC control voltage.
Screw terminal connection system.
Suitable for wall or DIN rail mounting.
Compact dimensions for space-efficient control panels.
Designed for switching control signals up to 6 A at 240 V AC (AC-15).
Reliable Switching for Industrial Control Systems
Mini contactor relays such as the ABB MCRC031ATD provide reliable switching of control signals in automation systems, electrical panels and industrial equipment. Their compact format allows engineers to add contactor relay functionality where standard contactors may be too large for the available installation space.
The ABB MCR series is designed for applications requiring dependable switching performance, flexible auxiliary contacts and straightforward integration into modern control systems. The MCRC031ATD combines compact dimensions with ABB’s established industrial switching technology.
Typical Applications
Industrial automation control panels.
Machine control systems.
Electrical switchboards.
Control signal switching circuits.
Building and commercial automation systems.
Space-limited industrial installations.
Technical Specifications
Manufacturer
ABB
Series
MCR Mini Contactor Relays
Model
MCRC031ATD
Product ID
1SAH100016R9900
Product type
Mini contactor relay
Contact configuration
3NO + 1NC
Number of poles
4P
Control voltage
24 V DC
Rated operational voltage
690 V AC auxiliary circuit
Conventional free-air thermal current
10 A
Rated operational current AC-15
6 A at 240 V AC
Terminal type
Screw terminals
Mounting type
Wall or rail mounting
Protection rating
IP20
Dimensions (W × D × H)
45 × 68 × 48 mm
Weight
approx. 0.235 kg
Frequently Asked Questions
What is the ABB 1SAH100016R9900 used for?
The ABB 1SAH100016R9900 is a mini contactor relay used for switching control signals in industrial automation and electrical control applications.
What contact configuration does the ABB MCRC031ATD have?
The mini contactor relay has a 3NO + 1NC auxiliary contact configuration.
What coil voltage does this mini contactor relay require?
The ABB MCRC031ATD operates with a 24 V DC control coil.
How is the ABB MCRC031ATD connected?
The relay uses screw terminal connections for control and auxiliary circuits.
Where is this mini contactor relay installed?
The ABB MCRC031ATD is typically installed in industrial control panels, automation systems and electrical switchboards.
Trusted by Industrial Control Engineers
ABB mini contactor relays provide compact and reliable switching solutions for industrial automation, control panels and electrical systems where space efficiency and dependable operation are essential.
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Manufacturer
ABB
Series
MCR Mini Contactor Relays
Model
MCRC031ATD
Product ID
1SAH100016R9900
Product type
Mini contactor relay
Contact configuration
3NO + 1NC
Number of poles
4P
Control voltage
24 V DC
Rated operational voltage
690 V AC auxiliary circuit
Conventional free-air thermal current
10 A
Rated operational current AC-15
6 A at 240 V AC
Terminal type
Screw terminals
Mounting type
Wall or rail mounting
Protection rating
IP20
Dimensions (W × D × H)
45 × 68 × 48 mm
Weight
approx. 0.235 kg
No documents available for this product.
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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...
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...