LMB1-63H 10kA Miniature Circuit Breaker | C Curve AC MCB 1P-4P
LMB1-63H 10kA Miniature Circuit Breaker | C Curve AC MCB 1P-4P
Model name: LMB1-63H
Rated current:1,2,3,4,5,6,8,10,13,16,20,25,32,40,50,63A
Rated voltage :AC 230/400V
Poles :1P、2P、3P、4P
Rated Breaking capacity:10,000A
Rated impulse withstand voltage(Uimp)：4000V
Magnetic release characteristic：B、C、D
Standard: IEC/EN 60898-1
Model name: LMB1-63H
Rated current:1,2,3,4,5,6,8,10,13,16,20,25,32,40,50,63A
Rated voltage :AC 230/400V
Poles :1P、2P、3P、4P
Rated Breaking capacity:10,000A
Rated impulse withstand voltage(Uimp)：4000V
Magnetic release characteristic：B、C、D
Standard: IEC/EN 60898-1
Overview
LMB1-63H series miniature circuit breaker is a high-performance low-voltage protection device developed for AC distribution systems. With a rated short-circuit breaking capacity up to 10000A (10kA), this C curve MCB effectively protects electrical wiring and loads against overload and short-circuit faults. It adopts modular DIN rail installation, widely used in household buildings, shopping malls, office buildings and light industrial power distribution cabinets.
Key Features
✅ High breaking capacity: 10kA at 400V AC
✅ C tripping curve: Suitable for general lighting, socket and power loads
✅ Multiple pole options: 1P, 2P, 3P, 4P
✅ Rated current range: 6A,10A,16A,20A,25A,32A,40A,50A,63A
✅ Standard: IEC 60898-1, GB/T 10963.1
✅ Rated voltage: 230V (1P) / 400V (2P/3P/4P), 50Hz
✅ Modular DIN rail mounting (35mm standard rail)
✅ Flame-retardant insulated housing, high mechanical & electrical durability
✅ Clear status indicator for ON/OFF position
Technical Specifications
| Item | Parameter |
|---|---|
| Model | LMB1-63H |
| Breaking Capacity | 10kA |
| Trip Curve | B, C, D Curve |
| Poles | 1P, 2P, 3P, 4P |
| Rated Current In | 6A ~ 63A |
| Rated Voltage Ue | 230V/400V AC, 50Hz |
| Executive Standard | IEC 60898-1 |
| Mounting | 35mm DIN Rail |
| Mechanical Life | ≥10000 times |
| Electrical Life | ≥4000 times |
Application
- Residential power distribution box
- Commercial building distribution panel
- Shopping mall, hotel electrical system
- Light industrial control cabinet
- Generator auxiliary circuit protection
- Renewable energy AC distribution system
Our Advantages
Stable Quality & Strict Testing
All LVMA MCBs undergo full production testing including overload, short-circuit and temperature rise tests. Products comply with international IEC standards to guarantee consistent performance under long-term operation.
High Breaking Capacity Design
LMB1-63H supports 10kA short-circuit breaking capacity, much safer than ordinary 6kA MCBs. Ideal for circuits with higher short-circuit current requirements.
Complete Specification Range
We supply full poles (1P/2P/3P/4P) and all current ratings from 6A to 63A. One-stop procurement to match different single-phase & three-phase power distribution projects.
Durable Flame-retardant Material
Adopt high-temperature resistant flame retardant plastic housing. Effectively prevent fire risks when circuit faults occur, improve safety for end users.
Flexible OEM & Wholesale Support
LVMA accepts customized logo, packaging and labeling for global electrical distributors. Adequate inventory ensures fast lead time for bulk orders.
Professional After-sales Service
We provide technical parameter support, installation guidance and product replacement solutions for qualified defective goods.
Frequently Asked Questions (FAQ)
Q1: What does C curve mean for this LMB1-63H MCB?
A1: C tripping curve means the MCB trips instantly at 5~10 times rated current. It fits most common loads such as household sockets, lighting circuits, small motors and general commercial power circuits.
Q2: What is the difference between 6kA and 10kA MCB?
A2: 10kA refers to maximum short-circuit breaking capacity. LMB1-63H with 10kA can handle larger surge short-circuit current. It is recommended for main circuits, commercial distribution panels and high-power distribution systems.
Q3: Can I install this MCB directly on standard DIN rail?
A3: Yes. LMB1-63H is designed for standard 35mm DIN rail, easy to mount inside distribution boxes.
Q4: What pole options are available for LMB1-63H?
A4: We provide 1P, 2P, 3P and 4P versions. 1P/2P for single-phase AC system; 3P/4P for three-phase AC power distribution.
Q5: Is this MCB suitable for DC photovoltaic systems?
A5: This LMB1-63H model is designed for AC 230/400V circuits. For DC solar PV systems, please select our dedicated DC MCB series.
Q6: Can LVMA accept OEM customized orders?
A6: Yes. We support custom printing brand logo, custom color handles and customized export packaging for bulk wholesale customers.
Overview
LMB1-63H series miniature circuit breaker is a high-performance low-voltage protection device developed for AC distribution systems. With a rated short-circuit breaking capacity up to 10000A (10kA), this C curve MCB effectively protects electrical wiring and loads against overload and short-circuit faults. It adopts modular DIN rail installation, widely used in household buildings, shopping malls, office buildings and light industrial power distribution cabinets.
Key Features
✅ High breaking capacity: 10kA at 400V AC
✅ C tripping curve: Suitable for general lighting, socket and power loads
✅ Multiple pole options: 1P, 2P, 3P, 4P
✅ Rated current range: 6A,10A,16A,20A,25A,32A,40A,50A,63A
✅ Standard: IEC 60898-1, GB/T 10963.1
✅ Rated voltage: 230V (1P) / 400V (2P/3P/4P), 50Hz
✅ Modular DIN rail mounting (35mm standard rail)
✅ Flame-retardant insulated housing, high mechanical & electrical durability
✅ Clear status indicator for ON/OFF position
Technical Specifications
| Item | Parameter |
|---|---|
| Model | LMB1-63H |
| Breaking Capacity | 10kA |
| Trip Curve | B, C, D Curve |
| Poles | 1P, 2P, 3P, 4P |
| Rated Current In | 6A ~ 63A |
| Rated Voltage Ue | 230V/400V AC, 50Hz |
| Executive Standard | IEC 60898-1 |
| Mounting | 35mm DIN Rail |
| Mechanical Life | ≥10000 times |
| Electrical Life | ≥4000 times |
Application
- Residential power distribution box
- Commercial building distribution panel
- Shopping mall, hotel electrical system
- Light industrial control cabinet
- Generator auxiliary circuit protection
- Renewable energy AC distribution system
Our Advantages
Stable Quality & Strict Testing
All LVMA MCBs undergo full production testing including overload, short-circuit and temperature rise tests. Products comply with international IEC standards to guarantee consistent performance under long-term operation.
High Breaking Capacity Design
LMB1-63H supports 10kA short-circuit breaking capacity, much safer than ordinary 6kA MCBs. Ideal for circuits with higher short-circuit current requirements.
Complete Specification Range
We supply full poles (1P/2P/3P/4P) and all current ratings from 6A to 63A. One-stop procurement to match different single-phase & three-phase power distribution projects.
Durable Flame-retardant Material
Adopt high-temperature resistant flame retardant plastic housing. Effectively prevent fire risks when circuit faults occur, improve safety for end users.
Flexible OEM & Wholesale Support
LVMA accepts customized logo, packaging and labeling for global electrical distributors. Adequate inventory ensures fast lead time for bulk orders.
Professional After-sales Service
We provide technical parameter support, installation guidance and product replacement solutions for qualified defective goods.
Frequently Asked Questions (FAQ)
Q1: What does C curve mean for this LMB1-63H MCB?
A1: C tripping curve means the MCB trips instantly at 5~10 times rated current. It fits most common loads such as household sockets, lighting circuits, small motors and general commercial power circuits.
Q2: What is the difference between 6kA and 10kA MCB?
A2: 10kA refers to maximum short-circuit breaking capacity. LMB1-63H with 10kA can handle larger surge short-circuit current. It is recommended for main circuits, commercial distribution panels and high-power distribution systems.
Q3: Can I install this MCB directly on standard DIN rail?
A3: Yes. LMB1-63H is designed for standard 35mm DIN rail, easy to mount inside distribution boxes.
Q4: What pole options are available for LMB1-63H?
A4: We provide 1P, 2P, 3P and 4P versions. 1P/2P for single-phase AC system; 3P/4P for three-phase AC power distribution.
Q5: Is this MCB suitable for DC photovoltaic systems?
A5: This LMB1-63H model is designed for AC 230/400V circuits. For DC solar PV systems, please select our dedicated DC MCB series.
Q6: Can LVMA accept OEM customized orders?
A6: Yes. We support custom printing brand logo, custom color handles and customized export packaging for bulk wholesale customers.
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