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ABB MS165-25 Manual motor starter 18-25 Amp 45KW

MPN: 1SAM451000R1013

Alt. SKU: MS165-25

Special Price £136.82 £114.02 Regular Price £210.50

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Why Choose the MS165-25 [1SAM451000R1013]

The MS165 series offers compact motor protection devices designed for motors up to 45 kW (400 V) and 80 A, all within a 55 mm width. These units provide dependable protection against overload and phase failure, featuring a trip class 10 rating for precise response times. A dedicated fault indicator window clearly signals short-circuit trips, enhancing diagnostic efficiency. Key features include an integrated disconnect function, temperature compensation, a trip-free mechanism, and a rotary handle with clear switch position indication. Suitable for both single- and three-phase applications, the manual motor starter—also referred to as a motor protection circuit breaker—includes a lockable handle to prevent unauthorized operation. A range of accessories is available, including auxiliary and signalling contacts, undervoltage releases, shunt trips, and power in-feed blocks, all compatible across the MS116, MS132, and MS165 series for flexible system integration.

Technical Specification

  • Function: Motor protection circuit breaker with overload and phase failure protection, trip class 10.
  • Rated Operational Voltage: Up to 690 V AC main circuit, 250 V DC.
  • Rated Operational Current: 25 A with setting range 18 ... 25 A.
  • Contact Configuration: 3 poles, rotary handle actuator with ON/OFF/TRIP indication.
  • Rated Insulation Voltage (Ui): 1000 V.
  • Rated Impulse Withstand Voltage (Uimp): 8 kV.
  • Degree of Protection: Housing IP20, main circuit terminals IP10.
  • Terminal Type and Capacity: Screw terminals; flexible 1 ... 35 mm², rigid 1 ... 4 mm², stranded up to 50 mm².
  • Mechanical Durability: 50,000 operations; Electrical Durability: 25,000 cycles.

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"Specified by UK panel builders for dependable control." Controls Engineer, UK

Frequently Asked Questions

What is the maximum motor protection capacity of the MS165?
The MS165 provides motor protection up to 45 kW (400 V) / 80 A.
What types of applications is the MS165 suitable for?
The MS165 is suitable for both three-phase and single-phase applications.
What is the trip class of the MS165?
The MS165 has a trip class of 10.
What is the cable capacity for the terminals of the MS165?
The terminal capacity is flexible 1 ... 35 mm², rigid 1 ... 4 mm², and stranded up to 50 mm².
What is the degree of protection for the MS165 housing?
The housing has a degree of protection of IP20, while the main circuit terminals are rated IP10.
Are there any accessories available for the MS165?
Yes, auxiliary contacts, signaling contacts, undervoltage releases, shunt trips, and power in-feed blocks are available as accessories.
What standards and approvals does the MS165 conform to?
See the manufacturer's data sheet for standards and approvals.
More Information
Manufacturer Part Number 1SAM451000R1013
Packed Quantity 1
Barcode 4013614486074
HS Code 85362010
Country of Manufacture China
Manufacturer ABB
Alternative Product SKU MS165-25
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