ABB 1SDA050953R1 Molded/Molded Case Circuit Breaker

1. Product Overview

The ABB 1SDA050953R1 Molded Case Circuit Breaker (MCCB) is a high-performance low-voltage protection device widely used in industrial, commercial, and building power systems. It protects circuits and equipment from overload, short-circuit, and undervoltage conditions and can be manually operated. This MCCB features a compact design, easy installation, and high reliability, suitable for distribution panels, motor protection, and industrial control systems.

2. Technical Specifications

• Model: 1SDA050953R1

• Type: Molded Case Circuit Breaker (MCCB)

• Rated Operational Voltage: AC 690 V / DC 250 V

• Rated Current: 63 A

• Poles: 3P (three-pole)

• Short-circuit Breaking Capacity: 10 kA (AC)

• Trip Type: Thermal-magnetic (adjustable overload protection)

• Mechanical Life: ≥ 10,000 operations

• Electrical Life: ≥ 4,000 operations

• Operating Temperature: -25°C to +70°C

• Mounting: Panel or DIN rail

• Protection Rating: IP20

• Dimensions (W×H×D): ~45 × 140 × 80 mm

• Weight: ~0.5 kg

3. Advantages and Features

• High-performance protection: Protects circuits and equipment from overload, short-circuit, and undervoltage damage.

• Thermal-magnetic trip design: Provides dual protection against overload and short-circuit for enhanced safety.

• Compact and reliable: Small footprint suitable for distribution panels; easy operation.

• Long life and high reliability: Mechanical life ≥ 10,000 operations; electrical life ≥ 4,000 operations.

• Wide applicability: Suitable for motor protection, industrial distribution, commercial buildings, and control circuits.

4. Typical Applications

• Industrial low-voltage distribution systems

• Motor protection and control systems

• Commercial and office building power distribution

• Factory automation and control panels

• Machinery protection and electrical isolation

5. Installation & Usage Notes

• Ensure supply voltage and rated current match before installation.

• Secure all wiring to prevent loose connections or short circuits.

• Install in a dry, ventilated environment to prevent dust and liquid ingress.

• Do not exceed the rated short-circuit breaking capacity.

• Regularly check breaker condition and operation to ensure normal performance.

The structure and details of the product： ​

•  Please make an inquiry for more models
• ABB SDCS-PU6001
• ABB PG6310
• ABB YT223001-AEYXU
• ABB SDCS-PIN-21
• ABB SDCS-PIN-25
• ABB SKKT122-16E   6.19
• ABB 3ASD573001A13
• ABB SDCS-PIN-41
• ABB SDCS-IOB-23
• ABB SDCS-IOB-1
• ABB DCS401.0045
• ABB SDCS-CON-3
• ABB SDCS-CON-3A
• ABB 3ASC25H204
• ABB 3ASC25H216A
• ABB 3ASC25H214
• ABB SDCS-IOB-3 3ADT220090R0020
• ABB SDCS-FEX-2
• ABB SDCS-PIN-3A
• ABB DCS400
• ABB 3ADT748074
• ABB SDCS-COM-1
• ABB SDCS-POW-1
• ABB TK809F
• ABB TK808F
• ABB TK811F
• ABB TK821F
• ABB TK831F
• ABB TK817F
• ABB TK891F
• ABB TK890F
• ABB TC562
• ABB TK853V020
• ABB CI856K01 3BSE020655R1
• ABB CI862K01
• ABB CI865K01
• ABB CI868K01  3BSE048845R1
• ABB BC810K02
• ABB PCO011
• ABB PCO012
• ABB CI801
• ABB CI840
• ABB TK212
• ABB FS801K01
• ABB AI825 3BSE036456R1
• ABB AI893
• ABB AO815
• ABB DI825 3BSE036373R1
• ABB DI885
• ABB TU805K01
• ABB TU813 3BSE036714R1
• ABB TU839
• ABB TU833
• ABB TB846
• ABB TB845
• ABB TK801V003 3BSC950089R1
• ABB TB811
• ABB TU807
• ABB TU848
• ABB TU849
• ABB TK811V150
• ABB TK812V015
• ABB TK812V050
• ABB TK812V150

Other best-selling products：