Altech 1B4UM UL 508 Mini-Molded Case Circuit Breaker, B-Trip, 1 Pole, 4A Current Rating

product id: 54888

Category: Electronic Production Supplies, Electromechanical

Manufacturer: Altech

InstruHub is a leading supplier and reseller of Altech Electronic Production Supplies, Electromechanical in Mongolia, and we ship to all major cities such as Mongolia


  • Short Circuit Withstand Rating (UL/CSA - Ratings): 0.3-60A (RC): 10kA with UL-listed; RK5 back-up fuse or MCCB
  • Group Short Circuit Withstand Rating (UL/CSA - Ratings): 0.3-10A (RC): 10kA; 12-60A (RC): 5kA; no branch circuit protection required
  • Interrupting Capacity (VDE - Ratings): 0.3-63A (RC): 10kA
  • Calibration Temperature: 40°C (104°F)



Current Rating 4.0A
Series V-EA Series
Voltage Rating 0.3-60A/480Y/277V AC; 0.3-25A: 1 pole - 42V DC; 2 Pole - 80V DC; 30-60A: 1 pole - 24V DC; 2 Pole - 60V DC
Torque 2 Nm (17.7 lb.in.) / 2.5Nm (22.2 lb.in)
Storage Temperature -40 C to 70 C (-40 F to 158 F)
Terminal Size Top: 18-3 AWG; Bottom: 18-2 AWG (Line/Load reversible)
Operating Temperature -25 C to 55 C (-13 F to 131 F)

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