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1SAL135704R9902 ABB MC2A310ATW Mini Contactor Compact Control Contactor
ABB 1SAL135704R9902 MC2A310ATW mini contactor with three normally open main contacts, one auxiliary contact and 415–440 V AC coil supply for industrial switching applications.
£27.73
Why Choose the ABB 1SAL135704R9902 MC2A310ATW Mini Contactor?
The ABB 1SAL135704R9902 is a compact MC2A310ATW mini contactor designed for reliable switching of motors, single-phase and three-phase loads, and control signals in residential, commercial and industrial applications. As part of the ABB M mini contactor range, it provides a space-saving solution where dependable switching performance and efficient panel design are required.
Featuring a 3-pole main contact configuration with 1 normally open auxiliary contact, the MC2A310ATW is suitable for controlling loads up to 5.5 kW at 400 V AC-3 and 20 A at 400 V AC-1. Its screw terminal connections and compact construction allow straightforward integration into electrical control panels.
With a 415–440 V AC coil supply at 50 Hz and 480 V AC at 60 Hz, the ABB 1SAL135704R9902 provides reliable AC-operated contactor control for automation systems, machinery and electrical installations where efficient use of panel space is important.
Key Advantages
- Compact mini contactor designed for space-saving installations.
- 3NO main contact configuration for three-phase load switching.
- Integrated 1NO auxiliary contact for control and signalling functions.
- 5.5 kW AC-3 motor switching capability at 400 V.
- 20 A AC-1 rated current for general load switching.
- Suitable for wall or rail mounting applications.
Key Features
- ABB MC2A310ATW mini contactor.
- 3 normally open main contacts.
- 1 normally open auxiliary contact.
- 415–440 V AC coil voltage at 50 Hz.
- 480 V AC coil voltage at 60 Hz.
- Screw terminal connections.
- Compact 45 mm wide design.
- Suitable for wall or rail mounting.
Reliable Motor Switching for Compact Control Systems
Mini contactors provide efficient switching of motors and electrical loads while reducing the space required inside control cabinets. Their compact design makes them ideal for automation systems, machinery and electrical installations where reliable switching performance is required.
The ABB MC2A310ATW combines dependable AC switching performance with flexible installation options, allowing engineers and panel builders to create efficient control solutions where space and performance are both important considerations.
Typical Applications
- Industrial automation control panels.
- Small motor control systems.
- Machine building applications.
- HVAC and building service equipment.
- Pumps and fans.
- Single-phase and three-phase load switching.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 380–440 V | |
| Current | 12 A | |
| Power | 5.5 kW | |
| Poles | 3-pole | |
| Coil / Supply Voltage | 415 V AC, 440 V AC | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | 1NO | |
| Coil Type | AC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Model | 1SAL135704R9902 | |
| Product type | Mini contactor | |
| Series | M mini contactors | |
| Type code | MC2A310ATW | |
| Main contact configuration | 3NO | |
| Auxiliary contacts | 1NO | |
| Number of poles | 3 | |
| Coil / Supply Voltage | 415–440 V AC at 50 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 current AC-4 | 9 A at 400 V | |
| Rated operational power AC-4 | 4 kW at 400 V | |
| Rated insulation voltage | 690 V AC | |
| Mounting type | Wall or rail mounting | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | 48 × 45 × 56 mm | |
| Weight | approx. 0.17 kg | |
| EAN | 4013614544170 |
Frequently Asked Questions
What is the ABB 1SAL135704R9902 used for?
The ABB 1SAL135704R9902 is a mini contactor used for switching motors, electrical loads and control signals in industrial, commercial and automation applications.
What contact configuration does the MC2A310ATW provide?
The MC2A310ATW provides three normally open main contacts and one normally open auxiliary contact.
What coil voltage does the ABB 1SAL135704R9902 require?
The contactor operates with a 415–440 V AC coil supply at 50 Hz and 480 V AC at 60 Hz.
What motor power can the MC2A310ATW switch?
The contactor can switch motors up to 5.5 kW at 400 V AC-3.
How is the ABB MC2A310ATW installed?
The mini contactor supports wall or rail mounting and uses screw terminal connections.
Trusted for Compact Switching Solutions
ABB mini contactors provide reliable, space-saving switching solutions for automation engineers, machine builders and electrical system designers.
