Solutions for your safety

Type: 4231-T


Single pole, DIN rail mount, hydraulic-magnetic miniature circuit breaker (MCB) in accordance with UL1077, CSA22.2, and UL Class I Division 2, Groups A, B, C, D.

Technical Data

Voltage rating
  • 120 AC
  • 20A Only 50 DC
Current ratings
Number of poles single pole
Mounting method rail mounting
Terminal design screw terminals
Actuation toggle/baton
Auxiliary contacts without auxiliary contacts
Illumination without illumination
Typical life 6000 operations @ 1 x IN
Interrupting capacity Icn 1000 A (AC and DC)
Certificates Class I Div 2 GP A, B, C, D ISA 12.12.01-2015 CSA C22.2 No. 213 UL 1077 CSA C22.2 No. 235-04



  • Automation
  • Chemical, Oil & Gas