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1SAL101838R9901 ABB MC1AC00ATW Mini Contactor Compact Control Contactor
ABB 1SAL101838R9901 MC1AC00ATW mini contactor with 3 normally open and 1 normally closed main contacts designed for industrial motor and load switching applications.
£22.10
Why Choose the ABB 1SAL101838R9901 MC1AC00ATW Mini Contactor?
The ABB 1SAL101838R9901 is a compact and reliable MC1AC00ATW mini contactor designed for switching electrical loads in residential, commercial and industrial applications. As part of the ABB M Mini contactor series, it provides dependable motor control and load switching performance where high functionality and space-saving installation are required.
This mini contactor features a four-pole design with 3 normally open main contacts and 1 normally closed main contact, combined with screw terminals for secure electrical connections. Its compact construction makes it suitable for control panels and automation systems where reliable switching performance is required within a limited installation space.
With a 415–440 V AC control supply at 50 Hz and 480 V AC at 60 Hz, the ABB 1SAL101838R9901 MC1AC00ATW is suitable for controlling loads up to 4 kW AC-3 at 400 V and rated operational currents up to 20 A AC-1.
Key Advantages
- Compact mini contactor designed for industrial and commercial switching applications.
- 3NO + 1NC main contact configuration for flexible load switching.
- 4 kW AC-3 motor switching capability at 400 V.
- 20 A AC-1 rated operational current.
- Space-saving design for electrical panels and automation equipment.
- Screw terminal connections provide reliable installation.
Key Features
- ABB MC1AC00ATW mini contactor.
- 4-pole main contact configuration.
- 3 normally open (NO) main contacts.
- 1 normally closed (NC) main contact.
- 415–440 V AC 50 Hz / 480 V AC 60 Hz control circuit voltage.
- 4 kW rated operational power at AC-3 400 V.
- 9 A AC-3 rated operational current at 400 V.
- AC operated control circuit.
- Screw terminal connection system.
- Compact M Mini series design.
Reliable Motor Control for Industrial Applications
Mini contactors such as the ABB MC1AC00ATW provide dependable switching for motors, electrical loads and control circuits where compact installation is essential. Their reduced footprint allows efficient electrical panel layouts while maintaining reliable switching performance.
The ABB M Mini contactor range is designed for residential, commercial and industrial applications requiring dependable control of single-phase and three-phase loads. The 1SAL101838R9901 combines ABB reliability, flexible mounting options and efficient load switching capability.
Typical Applications
- Industrial motor control panels.
- Machine building and OEM equipment.
- Pumps, fans and ventilation systems.
- Automation and control systems.
- Commercial electrical installations.
- Electrical distribution and switching applications.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Current | 9 A | |
| Power | 4 kW | |
| Poles | 4-pole | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | None | |
| Coil Type | AC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | M Mini Contactors | |
| Model | MC1AC00ATW | |
| Part number | 1SAL101838R9901 | |
| Product type | Mini contactor | |
| Number of poles | 4P | |
| Main contacts | 3NO + 1NC | |
| Auxiliary contacts | None | |
| Rated control voltage | 415–440 V AC 50 Hz / 480 V AC 60 Hz | |
| Rated operational voltage | Up to 690 V AC | |
| Rated operational current AC-1 | 20 A at 400 V | |
| Rated operational current AC-3 | 9 A at 400 V | |
| Rated operational power AC-3 | 4 kW at 400 V | |
| Connection type | Screw terminals | |
| Mounting type | DIN rail / wall mounting | |
| Protection rating | IP20 terminals | |
| Dimensions (H × W × D) | 48 × 45 × 56 mm | |
| Weight | approx. 0.17 kg |
Frequently Asked Questions
What is the ABB 1SAL101838R9901 used for?
The ABB 1SAL101838R9901 is a mini contactor used for switching electrical loads, motors and control circuits in industrial, commercial and automation applications.
What contact configuration does this mini contactor have?
The MC1AC00ATW features three normally open main contacts and one normally closed main contact.
What motor power can this contactor control?
The contactor supports loads up to 4 kW AC-3 at 400 V.
What control voltage does the ABB MC1AC00ATW require?
The contactor operates with a 415–440 V AC 50 Hz or 480 V AC 60 Hz control supply.
How is this mini contactor installed?
The ABB 1SAL101838R9901 supports DIN rail or wall mounting for flexible electrical installation.
Trusted by Automation Engineers Worldwide
ABB mini contactors are widely used in industrial and commercial control applications to provide reliable switching, compact installation and dependable operation in modern electrical systems.
