UL 489 Product Features
◇UL 489 Full range of listed certified micro circuit breakers
◇ Rated current up to 125A
◇ The voltage at 277Vac/480Vac meets the 5kA/10kA short-circuit breaking capacity
◇ Hydraulic tripping mechanism, stable working at 40℃ ~ +70℃
◇ Prompt trip sensitivity circuit
◇ Suitable for protection of main loop devices
◇ Contact position indication (red or green)
The HCB2 Series Miniature Circuit Breaker (MCB) from HIITIO is designed for safe, reliable protection of electrical circuits in residential, commercial, and industrial applications. Rated at 6kA breaking capacity and available in 1P, 2P, 3P, and 4P configurations, the HCB2 MCB complies with IEC/EN 60898-1 and 60947-2 standards. It offers superior arc extinguishing performance, quick response time, and dual-function protection against overcurrent and short circuits. The compact, modular design fits standard 35mm DIN rails, making it easy to install and maintain. Available in B, C, and D tripping curves, it’s ideal for different application scenarios, from lighting to motor protection.
| HCB2D | 1Pole-80/125Vdc | 2Poles-80/125Vdc | 3Poles-80Vdc | 4Poles-80Vdc | ||||
| Rated Amperge(A) | Product | Part Number | Product | Part Number | Product | Part Number | Product | Part Number |
| 0.5 | HCB2D0.5/1 | 227000140001 | HCB2D0.5/2 | 227000150001 | HCB2D0.5/3 | 227000160001 | HCB2D0.5/4 | 227000170001 |
| 1.0 | HCB2D1/1 | 227000140002 | HCB2D1/2 | 227000150002 | HCB2D1/3 | 227000160002 | HCB2D1/4 | 227000170002 |
| 1.6 | HCB2D1.6/1 | 227000140003 | HCB2D1.6/2 | 227000150003 | HCB2D1.6/3 | 227000160003 | HCB2D1.6/4 | 227000170003 |
| 2.0 | HCB2D2/1 | 227000140004 | HCB2D2/2 | 227000150004 | HCB2D2/3 | 227000160004 | HCB2D2/4 | 227000170004 |
| 3.0 | HCB2D3/1 | 227000140005 | HCB2D3/2 | 227000150005 | HCB2D3/3 | 227000160005 | HCB2D3/4 | 227000170005 |
| 4.0 | HCB2D4/1 | 227000140006 | HCB2D4/2 | 227000150006 | HCB2D4/3 | 227000160006 | HCB2D4/4 | 227000170006 |
| 5.0 | HCB2D5/1 | 227000140007 | HCB2D5/2 | 227000150007 | HCB2D5/3 | 227000160007 | HCB2D5/4 | 227000170007 |
| 6.0 | HCB2D6/1 | 227000140008 | HCB2D6/2 | 227000150008 | HCB2D6/3 | 227000160008 | HCB2D6/4 | 227000170008 |
| 7.0 | HCB2D7/1 | 227000140009 | HCB2D7/2 | 227000150009 | HCB2D7/3 | 227000160009 | HCB2D7/4 | 227000170009 |
| 8.0 | HCB2D8/1 | 227000140010 | HCB2D8/2 | 227000150010 | HCB2D8/3 | 227000160010 | HCB2D8/4 | 227000170010 |
| 10.0 | HCB2D10/1 | 227000140011 | HCB2D10/2 | 227000150011 | HCB2D10/3 | 227000160011 | HCB2D10/4 | 227000170011 |
| 13.0 | HCB2D13/1 | 227000140012 | HCB2D13/2 | 227000150012 | HCB2D13/3 | 227000160012 | HCB2D13/4 | 227000170012 |
| 15.0 | HCB2D15/1 | 227000140013 | HCB2D15/2 | 227000150013 | HCB2D15/3 | 227000160013 | HCB2D15/4 | 227000170013 |
| 16.0 | HCB2D16/1 | 227000140014 | HCB2D16/2 | 227000150014 | HCB2D16/3 | 227000160014 | HCB2D16/4 | 227000170014 |
| 20.0 | HCB2D20/1 | 227000140015 | HCB2D20/2 | 227000150015 | HCB2D20/3 | 227000160015 | HCB2D20/4 | 227000170015 |
| 25.0 | HCB2D25/1 | 227000140016 | HCB2D25/2 | 227000150016 | HCB2D25/3 | 227000160016 | HCB2D25/4 | 227000170016 |
| 30.0 | HCB2D30/1 | 227000140017 | HCB2D30/2 | 227000150017 | HCB2D30/3 | 227000160017 | HCB2D30/4 | 227000170017 |
| 32.0 | HCB2D32/1 | 227000140018 | HCB2D32/2 | 227000150018 | HCB2D32/3 | 227000160018 | HCB2D32/4 | 227000170018 |
| 35.0 | HCB2D35/1 | 227000140019 | HCB2D35/2 | 227000150019 | HCB2D35/3 | 227000160019 | HCB2D35/4 | 227000170019 |
| 40.0 | HCB2D40/1 | 227000140020 | HCB2D40/2 | 227000150020 | HCB2D40/3 | 227000160020 | HCB2D40/4 | 227000170020 |
| 50.0 | HCB2D50/1 | 227000140021 | HCB2D50/2 | 227000150021 | HCB2D50/3 | 227000160021 | HCB2D50/4 | 227000170021 |
| 60.0 | HCB2D60/1 | 227000140022 | HCB2D60/2 | 227000150022 | HCB2D60/3 | 227000160022 | HCB2D60/4 | 227000170022 |
| 70.0 | HCB2D70/1 | 227000140023 | HCB2D70/2 | 227000150023 | HCB2D70/3 | 227000160023 | HCB2D70/4 | 227000170023 |
| 80.0 | HCB2D80/1 | 227000140024 | HCB2D80/2 | 227000150024 | HCB2D80/3 | 227000160024 | HCB2D80/4 | 227000170024 |
| 90.0 | HCB2D90/1 | 227000140025 | HCB2D90/2 | 227000150025 | HCB2D90/3 | 227000160025 | HCB2D90/4 | 227000170025 |
| 100.0 | HCB2D100/1 | 227000140026 | HCB2D100/2 | 227000150026 | HCB2D100/3 | 227000160026 | HCB2D100/4 | 227000170026 |
| 125.0 | HCB2D125/1 | 227000140027 | HCB2D125/2 | 227000150027 | HCB2D125/3 | 227000160027 | HCB2D125/4 | 227000170027 |
| Reference product parallel | Product | Reference product parallel | Product | Reference product parallel |
| HCB2D80/2 227000150024 HCB2D90/2 227000150025 HCB2D100/2 227000150026 HCB2D125/2 227000150027 |
HCB2D210 HCB2D240 HCB2D270 |
HCB2D80/3 227000160024 HCB2D90/3 227000160025 HCB2D100/3 227000160026 HCB2D125/3 227000160027 |
HCB2D280 HCB2D320 HCB2D360 |
HCB2D80/4 227000170024 HCB2D90/4 227000170025 |
| HCB2D100/4 227000170026 | ||||
| HCB2D300 | HCB2D400 | HCB2D125/4 227000170027 |
◇ DC circuit: photovoltaic, energy storage, DC signal control
◇Power supply: switching power supply, inverter power supply
◇Communication industry: communication base station, data center
◇Household appliances: lighting appliances, socket appliances
◇Industrial control: pure resistive or micro inductive circuit, no power circuit
HIITIO® was established in 2018 as a result of Hecheng Electric introducing a mature R&D team. HIITIO specializes in producing high-voltage DC electrical devices for EV, solar energy systems, and energy storage applications.
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