Chint NXM-400S 4P 400A MCCB Molded Case Circuit Breaker in Pakistan
₨49,000.00
- Model : NXM-400S
- Product : MCCB moulded case circuit breaker
- Rated Current: 400A
- 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-400S 4P 400A MCCB Molded Case Circuit Breaker
is an industrial-grade, high-performance circuit protection device designed for low-voltage power distribution systems. Engineered to meet international safety standards, this 4-pole 400 Amp MCCB safeguards electrical infrastructure, commercial installations, and industrial machinery against overloads, short circuits, and phase faults.
Built with a robust thermal-magnetic trip mechanism, the NXM-400S ensures rapid interruption during high-current fault events, preventing costly equipment downtime and electrical hazards.
Key Features & Benefits
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4-Pole (4P) Isolation: Provides complete system isolation, protecting all three phase lines along with full neutral protection for balanced and unbalanced electrical loads.
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400A Rated Current: Handles heavy current loads with minimal heat dissipation, making it ideal for main distribution boards (MDBs) and sub-distribution panels.
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Standard Breaking Capacity (S-Level): Delivers high breaking capacity up to 36kA/50kA, ensuring high performance under severe electrical fault conditions.
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High Insulation Voltage: Rated insulation voltage up to 800V/1000V with an operational voltage range up to 690V AC 50/60 Hz.
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Flexible Mounting: Supports both vertical and horizontal mounting options in panelboards and switchgear enclosures.
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Durable & Compact Enclosure: Rated IP30 for touch protection, extendable up to IP40 when fitted with standard terminal covers.
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Wide Operating Temperature: Designed to perform reliably in extreme working environments from -5 deg C to +40 deg C.
Technical Specifications
| Specification | Value / Feature |
| Brand | Chint Electric |
| Model | NXM-400S |
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Number of Poles | 4 Pole (4P) |
| Rated Current ($I_n$) | 400A |
| Rated Insulation Voltage Ui | 800V / 1000V |
| Rated Operational Voltage Ue | AC 380V / 400V / 415V / 690V 50/60 Hz |
| Trip Unit Type | Thermal-Magnetic (Fixed) |
| Breaking Capacity Code | S (Standard Performance) |
| Ingress Protection | IP30 (IP40 with terminal covers) |
| Standard Compliance | IEC / EN 60947-2 |
Applications
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Main Electrical Panels and Switchboards (MDBs / SDBs)
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Industrial Power Distribution Networks
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Commercial Building Electrical Infrastructure
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Generator Changeover Panels & Heavy Machinery Control Units
- Discounts available on bulk order
- Delivery available all over Pakistan
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