Chint NXM-800S 4P 800A MCCB in Pakistan
₨110,000.00
- Model : NXM-800S
- Product : MCCB moulded case circuit breaker
- Rated Current: 800A
- Rated Insulation Voltage: 800V; operational voltage up to AC 690V, 50/60Hz
- Breaking Capacity Levels: C (basic), S (standard), H (high), R (current limiting)
- Poles: 4P
- Operation Modes: Direct handle
- Protection Functions: Overload, short-circuit
- Mounting: Vertical and horizontal installation supported
- IP Rating: IP30 (up to IP40 with terminal covers)
- Environmental Limits: −5°C to +40°C operation, ≤2000m altitude
Chint NXM-800S 4P 800A Moulded Case Circuit Breaker (MCCB)
The Chint NXM-800S 4P 800A MCCB is a heavy-duty 4-pole moulded case circuit breaker designed to deliver protection and power distribution in commercial, industrial, and infrastructure electrical systems. Engineered to meet international standards (IEC/EN 60947-2), this 800-amp circuit breaker protects circuits, motors, and connected industrial machinery against electrical overloads, short circuits, and under-voltage conditions.
Featuring a high breaking capacity of 50kA (Standard ‘S’ rating) and robust thermal-magnetic trip units, the Chint NXM-800S ensures power safety, reducing downtime and preventing critical electrical equipment damage in demanding environments.
Key Features & Benefits
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High Breaking Capacity (50kA @ 380/415V): Easily handles severe short-circuit fault currents to maintain panel board integrity.
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Complete 4-Pole (4P) Protection: Isolates all three phase lines plus the neutral line, ensuring total system balance, neutral protection, and safe isolation.
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Thermal-Magnetic Release Mechanism: Provides dual-action safety with inverse time-delay protection against sustained overloads and instantaneous electromagnetic protection against sudden short circuits.
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Flexible Mounting & Operation: Supports both vertical and horizontal installation inside main distribution boards (MDBs), switchboards, and motor control centers (MCC).
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Durable Construction: Built with flame-retardant, high-grade thermosetting plastic housing that resists environmental stress, heat, and high mechanical forces.
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Enhanced Safety Ratings: Features an insulation voltage of up to 800V and impulse withstand voltage of 8kV for reliable operation during voltage surges.
Technical Specifications
| Parameter | Specification |
| Brand | Chint Electric |
| Model Series | NXM Series |
| Model Code | NXM-800S/4300B |
| Number of Poles | 4 Pole (4P) |
| Rated Current ($I_n$) | 800 Ampere |
| Frame Size | 800AF |
| Short-Circuit Breaking Capacity Code | S (Standard Performance) |
| Rated Ultimate Short-Circuit Capacity ($I_{cu}$) | 50 kA at 380V/400V/415V AC |
| Rated Operational Voltage ($U_e$) | 220V – 690V AC (50/60 Hz) |
| Rated Insulation Voltage ($U_i$) | 800V |
| Rated Impulse Withstand Voltage ($U_{imp}$) | 8 kV |
| Trip Unit Type | Thermal-Magnetic (Fixed) |
| Operating Temperature | -5°C to +40°C |
| Ingress Protection | IP30 (up to IP40/IP50 with extended handles/terminal covers) |
| International Standards | IEC / EN 60947-2 |
Target Applications
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Industrial Plants & Factories: Safeguards heavy machinery, motor circuits, transformers, and main power distribution sub-stations.
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Commercial Buildings: Serves as the primary incoming main breaker for high-rise commercial complexes, shopping malls, and data centers.
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Power Distribution Panels: Ideal for installation in Main Switchboards (MSB), Sub-Distribution Boards (SDB), and Motor Control Centers (MCC).
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Renewable Energy Infrastructure: Protects AC combiner boxes and output circuits in commercial solar power installations.
- Discounts available on bulk order
- Delivery available all over Pakistan
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