UL 489 Miniature Circuit Breaker 1 Pole

  • UL 489 listed a full line of miniature circuit breakers
  • Circuit breaker mountable on standard 35mm DIN rails with optional feet for front-and-bottom mounting
  • The voltage is 120/240Vac, which meets the standard 10kA breaking current
  • Suitable for the protection of main circuit devices
  • Contact position indication (red or green)
  • Switch can be locked in the ON or OFF position
  • Main circuit or branch protection
SKU HCB1U-60/1 Category Tag


HCB1U-60 series miniature circuit breakers provide excellent over-current, short circuit protection and control in AC ON/OFF operating electrical systems, and can also be used for infrequent making and breaking.

It has voltage ratings up to 240VAC and currents up to 60A.

Characteristic Parameters

Pole 1 Pole 2 Pole 3 Pole
Applicable standards UL 489
Rated Current(A) 5-60
Rated Voltage (V) 120/240Vac 240Vac
Rated Frequency(Hz) 50/60
Tripping Characteristics C(6.4In-9.6In)
Tripping Type Thermal Magnetic
Protection Degree IP30
Electrical Life 6000
Mechanical Life 10000
Rated Insulation Voltage (Vac) 1000
Rated Impulse Withstand Voltage kV) 6
Rated Short-circuit Current(kA) 10
Operating Temperature Range -25”C - +40”C (Reference temperature30”C)
Pollution Level Class III
Elevation ft (m) Not exceeding 6,561 (2,000)
Air Relative Humidity 20 ”C : 90%,40 ”C : 50%
Conducting Wire(mm2) 14-4 ( 2 -25 mm² 3.5N.m )
Installation 35mm DIN Rail mounting, optional feet can be bottom
mounted or surface mounted


UL 489 Miniature Circuit Breaker HCUB1 60 30 UL 489 Miniature Circuit Breaker HCUB1 60 29 UL 489 Miniature Circuit Breaker HCUB1 60 28 UL 489 Miniature Circuit Breaker HCUB1 60 27


  • Power supply equipment: UPS power supply, switching power supply, inverter power supply
  • Household appliances: lighting appliances, socket appliances
  • HVAC equipment: heating, ventilation, air conditioning, refrigeration (internal/external)
  • Industrial control cabinet: automation equipment, machine tool equipment
  • Transportation system: signal control, communication network
  • Wire temperature rating of 60/75℃, Cu wire only


Certification Files

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