CNC Electric 4 Pole MCB 20A–63A (YCB7-63N) – Three Phase + Neutral AC Breaker
Four pole 400V AC MCB that switches L1, L2, L3 and neutral together. 6kA, C-curve, 4-module DIN-rail body in 20A, 32A, 40A and 63A.
₨ 1,900 ₨ 2,100
Here you can check the 4 pole MCB price in Pakistan for the CNC Electric YCB7-63N in 20A, 32A, 40A and 63A. The CNC YCB7-63N 4 pole MCB disconnects all four conductors (L1, L2, L3 and N) in one trip, giving complete isolation of a three-phase circuit. It is a common choice for the main incoming breaker on commercial and large residential boards.
Key Features
- Switches three phases and neutral together (3P+N)
- 400V AC, 50Hz with 6kA breaking capacity
- C-curve tripping, IEC 60898-1 standard
- Four ratings: 20A, 32A, 40A and 63A
- 4-module (72mm) DIN-rail body, terminals up to 25mm²
- 20,000 mechanical and 10,000 electrical operations
Technical Specifications
| Product Type | 4 Pole MCB — Three-phase + Neutral Miniature Circuit Breaker |
|---|---|
| Model | YCB7-63N (4P) |
| Poles | 4P (L1 + L2 + L3 + N — all four switched together) |
| Current Ratings | 20A, 32A, 40A, 63A |
| Rated Voltage | 400V AC, 50Hz (3-phase) |
| Breaking Capacity | 6kA at 400V AC |
| Trip Curve | C-curve (trips at 5-10× rated current) |
| Standard | IEC 60898-1 |
| Mounting | 35mm DIN rail |
| Module Width | 4 modules (72mm) |
| Terminal Capacity | Up to 25mm² cable |
| Mechanical Life | 20,000 operations |
| Electrical Life | 10,000 operations |
| Warranty | 5-year replacement warranty |
Available Options
- Ampere: 20A, 32A, 40A, 63A
Where to Use
- Main incoming breaker on three-phase DB boards
- Generator and WAPDA changeover panels needing neutral isolation
- Commercial and industrial sub-distribution
How to Choose
Pick the 4 pole version when the three phases and the neutral must be switched together, for example on a main incomer or a WAPDA and generator changeover panel. For three-phase loads that do not need neutral isolation, a 3 pole MCB takes less DIN-rail space.
4 Pole MCB Price in Pakistan
Prices are listed in Pakistani rupees for each ampere option. Choose the one that matches your installation to see the current price and stock before you check out.
Frequently Asked Questions
When should I choose 4 pole over 3 pole?
Choose 4 pole when you want the neutral switched together with the three phases for full isolation.
What if my load is above 63A?
Move up to an MCCB. See the AC MCCB Breakers category.
Is it DIN-rail compatible?
Yes, it mounts on standard 35mm DIN rail.
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