XLB1 Series miniature circuit breakers provide modular protection for AC230V/400V distribution boards. XLB1-63 is the standard overcurrent protection version, while XLB1LE-63 adds residual current protection for circuits that require leakage-trip functionality.
Common Parameters
| Rated Working Voltage | AC230V/400V |
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| Rated Frequency | 50Hz |
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| Rated Operating Current | 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
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| Instantaneous Trip Type | Type B, Type C, Type D |
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| Rated Short-Circuit Breaking Capacity | 6kA |
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| Installation Method | 35mm standard rail mounting |
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| Dimensions | Refer to the user manual or selection guide |
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XLB1-63
| Poles | 1P, 2P, 3P, 4P |
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| Protection Type | Distribution protection, motor protection |
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| Product Standard | GB/T 10963.1 |
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XLB1LE-63
| Poles | 1P+N, 2P, 3P, 3P+N, 4P |
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| Protection Type | Distribution protection, motor protection |
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| Rated Residual Operating Current | 30mA, 50mA, 100mA |
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| Product Standard | GB/T 16917.1 |
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