LMB5-40 C40 MCB 1P+N Miniature Circuit Breaker
LMB5-40 C40 MCB 1P+N Miniature Circuit Breaker
LMB5-40 is a compact 1P+N miniature circuit breaker (MCB) with C tripping curve, rated 6-40A, 230V AC and 3000A breaking capacity ,18mm Width. This 1-module DIN rail breaker complies with IEC60898-1 standard with CE marking. It provides reliable overload and short-circuit protection for residential wiring, lighting and small power distribution circuits. Built with clear status indicator, simple installation and stable performance.
LMB5-40 is a compact 1P+N miniature circuit breaker (MCB) with C tripping curve, rated 6-40A, 230V AC and 3000A breaking capacity ,18mm Width. This 1-module DIN rail breaker complies with IEC60898-1 standard with CE marking. It provides reliable overload and short-circuit protection for residential wiring, lighting and small power distribution circuits. Built with clear status indicator, simple installation and stable performance.
Product Overview
The LVMA LMB5-40 series 1P+N miniature circuit breaker (MCB) is a space-saving single-module protective device designed for 230V AC single-phase electrical systems. This C16 model features a C-type tripping curve, ideal for general lighting and resistive-inductive household and commercial loads.
Built according to IEC 60898-1 and GB/T 10963.1 standards with CE certification, it delivers 3kA short-circuit breaking capacity to cut off faulty circuits rapidly, protecting cables and downstream electrical appliances from overload and short circuit damage. The visible green status indicator helps users quickly judge working status. It adopts standard DIN rail mounting for fast wiring and panel assembly.
Key Features
✅ Compact 1-module 1P+N design (live protected, neutral passed through)
✅ C curve trip characteristic, suitable for lighting & general AC loads
✅ Rated current: 16A, Rated voltage: 230V~ 50Hz
✅ Short-circuit breaking capacity: 3000A
✅ Compliance: IEC60898-1, GB/T10963.1, CE approved
✅ DIN rail mounting, easy installation & wiring
✅ Clear ON/OFF toggle switch + working indicator
✅ Finger-safe terminal design for safer operation
✅ Stable thermal-magnetic trip system, long mechanical life
Specifications
| Item | Parameter |
|---|---|
| Model | LMB5-40 |
| Poles | 1P+N (1 protected pole + neutral) |
| Rated Current | 40A |
| Trip Curve | C Curve |
| Rated Voltage | 230V AC, 50Hz |
| Breaking Capacity | 3000A (3kA) |
| Mounting | 35mm DIN Rail |
| Standard | IEC 60898-1, GB/T 10963.1 |
| Certification | CE |
| Module Width | 18mm (1 module) |
Application Scenarios
- Residential distribution boxes, home lighting circuits
- Small commercial power distribution
- Office socket & lighting protection
- Low-voltage single-phase power distribution systems
- Solar auxiliary AC circuit protection
Installation Notes
- Install on standard 35mm DIN rail inside distribution cabinet.
- Rated working environment temperature: -5℃ ~ +40℃.
- Wiring strictly follow L (live) and N (neutral) marks on the product.
- Regular inspection is recommended after long-term operation.
- Only professional electricians are allowed for installation and maintenance.
Product Overview
The LVMA LMB5-40 series 1P+N miniature circuit breaker (MCB) is a space-saving single-module protective device designed for 230V AC single-phase electrical systems. This C16 model features a C-type tripping curve, ideal for general lighting and resistive-inductive household and commercial loads.
Built according to IEC 60898-1 and GB/T 10963.1 standards with CE certification, it delivers 3kA short-circuit breaking capacity to cut off faulty circuits rapidly, protecting cables and downstream electrical appliances from overload and short circuit damage. The visible green status indicator helps users quickly judge working status. It adopts standard DIN rail mounting for fast wiring and panel assembly.
Key Features
✅ Compact 1-module 1P+N design (live protected, neutral passed through)
✅ C curve trip characteristic, suitable for lighting & general AC loads
✅ Rated current: 16A, Rated voltage: 230V~ 50Hz
✅ Short-circuit breaking capacity: 3000A
✅ Compliance: IEC60898-1, GB/T10963.1, CE approved
✅ DIN rail mounting, easy installation & wiring
✅ Clear ON/OFF toggle switch + working indicator
✅ Finger-safe terminal design for safer operation
✅ Stable thermal-magnetic trip system, long mechanical life
Specifications
| Item | Parameter |
|---|---|
| Model | LMB5-40 |
| Poles | 1P+N (1 protected pole + neutral) |
| Rated Current | 40A |
| Trip Curve | C Curve |
| Rated Voltage | 230V AC, 50Hz |
| Breaking Capacity | 3000A (3kA) |
| Mounting | 35mm DIN Rail |
| Standard | IEC 60898-1, GB/T 10963.1 |
| Certification | CE |
| Module Width | 18mm (1 module) |
Application Scenarios
- Residential distribution boxes, home lighting circuits
- Small commercial power distribution
- Office socket & lighting protection
- Low-voltage single-phase power distribution systems
- Solar auxiliary AC circuit protection
Installation Notes
- Install on standard 35mm DIN rail inside distribution cabinet.
- Rated working environment temperature: -5℃ ~ +40℃.
- Wiring strictly follow L (live) and N (neutral) marks on the product.
- Regular inspection is recommended after long-term operation.
- Only professional electricians are allowed for installation and maintenance.
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