Specifications
General
Type: Molded Case Circuit Breaker (MCCB)
Series: ABB T-series
Model: TB556J2E150JS
Application: Overcurrent and short-circuit protection of electrical circuits
Mounting: Panel or DIN rail mount
Electrical Characteristics
Rated Operational Voltage (Ue): 415 / 690 V AC
Rated Current (In): 150 A
Number of Poles: 3-pole
Breaking Capacity: 50 kA at 415 V AC
Trip Unit Type: Thermal-magnetic (adjustable)
Rated Frequency: 50 / 60 Hz
Control Type: Manual toggle for ON/OFF
Mechanical & Construction
Housing Material: Thermoset / industrial-grade polymer
Mechanical Life: 10,000 operations
Electrical Life: 4,000 operations at rated load
Terminal Type: Screw terminals for busbar or cable connection
Dimensions: Compact design for panel installation
Protection Class: IP20 (panel mounted)
Environmental Conditions
Operating Temperature: –25 °C to +55 °C
Storage Temperature: –40 °C to +70 °C
Humidity: 0–95% RH, non-condensing
Standards & Certifications
Standards Compliance: IEC 60947-2, UL 489
Safety & EMC: CE marked, industrial-grade EMC compliance
Approvals: UL, CSA, IEC certified
Features
High breaking capacity for reliable circuit protection
Adjustable thermal-magnetic trip unit for precise protection
Compact design suitable for panels and motor control centers
Robust housing and terminals for industrial environments
Manual ON/OFF toggle with clear indication
The ABB TB556J2E150JS is a low-voltage molded case circuit breaker (MCCB) designed for protection of electrical circuits in industrial and commercial installations. It provides reliable overcurrent, short-circuit, and thermal protection for electrical systems, ensuring safety for equipment and personnel.