Description
LKM1-400A 3P/4P High Breaking Moulded Case Circuit Breaker
Brand: LAKINELE | Model: LKM1-400 (H-Type / High Breaking)

Key Features
- High breaking capacity (H-Type): Icu 65kA at 400V
- Rated insulation voltage: 800V
- Frame current: 400A, Available rated currents: 225A, 250A, 315A, 350A, 400A
- 3 Pole / 4 Pole available
- Overload, short circuit and under voltage protection
- Complies with IEC 60947-2 standard
- CE / ISO9001 certified
- Suitable for AC 50/60Hz, rated working voltage 690V or below
- Can be installed vertically or horizontally
Product Details







Technical Specifications – LKM1 Series
| Parameter | LKM1-63 | LKM1-125 | LKM1-250 | LKM1-400 | LKM1-630 | LKM1-800 |
|---|---|---|---|---|---|---|
| Poles | 3P / 4P | 3P / 4P | 3P / 4P | 3P / 4P | 3P | 3P |
| Frame Current (A) | 63 | 125 | 250 | 400 | 630 | 800 |
| Rated Current (A) | 6,10,16,20,25,32,40,50,63 | 10,16,20,25,32,40,50,63,80,100,125 | 100,125,160,180,200,225,250 | 225,250,315,350,400 | 400,500,630 | 630,700,800 |
| Rated Operating Voltage Ue (V) | AC 400V | |||||
| Rated Insulation Voltage Ui (V) | 500 | 800 | ||||
| Utilisation Category | A | |||||
| Icu (kA) at 380/415V | 50 | 50 | 50 | 65 | 75 | 100 |
| Ics (kA) at 380/415V | 35 | 35 | 35 | 50 | 50 | 65 |
| Electrical Life (times) | 1500 | 1500 | 1000 | 1000 | 1000 | 1000 |
| Mechanical Life (times) | 8500 | 8500 | 7000 | 4000 | 4000 | 4000 |
Outline & Mounting Dimensions (LKM1-400)
| Type | L (mm) | W 3P (mm) | W 4P (mm) | H (mm) | A (mm) | B (mm) | 4-φd (mm) |
|---|---|---|---|---|---|---|---|
| LKM1-400 | 257 | 150 | 198 | 107 | 44 | 195 | φ7 |
Dimension Drawings & Specifications







Applications
- Industrial power distribution systems
- Commercial building electrical panels
- Motor protection (non-frequent starting)
- Infrastructure and marine applications
Ordering Information
When ordering, please specify:
- Model: LKM1-400 (H-Type for high breaking)
- Rated current: 225A / 250A / 315A / 350A / 400A
- Number of poles: 3P or 4P
- Accessories (if required): shunt trip, under voltage trip, auxiliary contacts, etc.
OEM/ODM Welcome | MOQ: No minimum for trial order | Lead time: 15-20 days for mass production
Contact us: WhatsApp: +86 137 5777 4567 | Email: sale@giuexport.com



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