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
Description
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 |
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Accessories
Applications
- 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
