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1SAL101877R9902 ABB MC2A301AT7 Mini Contactor Compact Control Contactor
ABB 1SAL101877R9902 MC2A301AT7 mini contactor with 240 V AC coil, three main contacts and 5.5 kW AC-3 motor switching capability for industrial control applications.
£25.87
Why Choose the ABB 1SAL101877R9902 MC2A301AT7 Mini Contactor?
The ABB 1SAL101877R9902 is a compact and reliable MC2A301AT7 mini contactor designed for switching and controlling electrical loads in industrial automation, motor control and building applications. As part of the ABB MC2A mini contactor series, it provides space-saving installation combined with dependable switching performance for demanding control systems.
This mini contactor offers an optimised design where high performance is required but installation space is limited. Its three-pole configuration, integrated auxiliary contact and screw terminal connections make it suitable for controlling single-phase and three-phase loads in industrial and commercial electrical installations.
With a 240 V AC control coil, three main normally open contacts and an AC-3 rated operational power of 5.5 kW at 400 V, the ABB 1SAL101877R9902 provides efficient motor switching capability for compact control panels and automation systems.
Key Advantages
- Compact mini contactor design for space-saving installations.
- 5.5 kW AC-3 motor switching capability at 400 V.
- Three-pole main contact configuration for industrial load control.
- Integrated normally closed auxiliary contact for control circuit functions.
- 240 V AC coil voltage suitable for common industrial control systems.
- Reliable ABB contactor technology for automation and electrical applications.
Key Features
- ABB MC2A301AT7 mini contactor.
- 3 main normally open contacts.
- 1 normally closed auxiliary contact.
- 240 V AC control coil.
- 12 A AC-3 rated operational current at 400 V.
- 20 A AC-1 rated operational current at 400 V.
- Screw terminal connection system.
- Suitable for DIN rail or panel mounting applications.
Reliable Switching for Industrial Control Systems
Mini contactors such as the ABB MC2A301AT7 provide reliable switching of motors, machines and electrical loads while reducing the space required inside control cabinets. Their compact construction makes them ideal for applications where efficient panel layout and dependable operation are required.
The ABB MC2A series is designed for industrial automation engineers, panel builders and electrical installers requiring robust contactor solutions for motor control, building systems and machine applications.
Typical Applications
- Industrial motor control panels.
- Automation and machine control systems.
- Pumps, fans and ventilation equipment.
- Building electrical installations.
- Packaging and production machinery.
- General industrial switching applications.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Current | 12 A | |
| Power | 5.5 kW | |
| Poles | 3-pole | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | 1NC | |
| Coil Type | AC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | MC2A Mini Contactors | |
| Model | MC2A301AT7 | |
| Part number | 1SAL101877R9902 | |
| Product type | Mini contactor | |
| Main contacts | 3 NO | |
| Auxiliary contacts | 1 NC | |
| Rated control voltage | 240 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated operational current AC-1 | 20 A at 400 V | |
| Rated operational current AC-3 | 12 A at 400 V | |
| Rated operational power AC-3 | 5.5 kW at 400 V | |
| Rated operational power AC-4 | 4 kW at 400 V | |
| Number of poles | 3P | |
| Mounting type | DIN rail / panel mounting | |
| Terminal type | Screw terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | 48 × 45 × 56 mm | |
| Weight | approx. 0.17 kg |
Frequently Asked Questions
What is the ABB 1SAL101877R9902 used for?
The ABB 1SAL101877R9902 is a mini contactor used for switching and controlling motors and electrical loads in industrial and commercial applications.
What is the model number of ABB 1SAL101877R9902?
The ABB 1SAL101877R9902 corresponds to the MC2A301AT7 mini contactor.
What coil voltage does this contactor require?
The MC2A301AT7 operates with a 240 V AC control coil at 50 / 60 Hz.
What motor power can this contactor switch?
The contactor supports up to 5.5 kW AC-3 rated operational power at 400 V.
How many contacts does the ABB MC2A301AT7 have?
The contactor has three normally open main contacts and one normally closed auxiliary contact.
Trusted by Industrial Automation Professionals
ABB MC2A mini contactors are widely used by engineers and machine builders to deliver reliable switching performance, compact installation and efficient control of industrial electrical systems.
