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Schneider PJA36120
1. Overview
Schneider PJA36120 is a member of the PowerPact I-Line series. It integrates the intelligent microprocessor control technology of Micrologic 5.0 (or higher version), which can provide precise overload and short-circuit protection, and has a circuit breaker group function. It is often used in power distribution rooms, power machine rooms and other places, undertaking the protection tasks of the main circuit and important branch circuits.
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2. Key Specifications
- Rated Current: 1200A
- Rated Voltage: 600V (I-Line)
- Pole Number: Usually 2 poles (2P) or 3 poles (3P)
- Breaking Capacity: 10kA (Micrologic 5.0 version), up to 16kA for higher versions
- Control Voltage: 80VDC
- Standard: Complies with IEC/EN standards
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3. Product Features
- Intelligent Control: Built-in Micrologic 5.0 microprocessor, with fault display, fault location and early warning functions.
- Circuit Breaker Group Function: Supports forming a group circuit with other circuit breakers (such as MCB, MCCB), facilitating centralized monitoring and protection.
- High Reliability: Adopts a bipolar electromagnetic operating mechanism to ensure reliable operation of the circuit breaker even when the current polarity is reversed or there is a phase loss.
- Strong Durability: Adopts a fully welded structure and protective devices, which can effectively prevent dust and corrosive gases from entering and extend the service life.
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4. Structure and Composition
- Body: Including two main bodies (U and L). The U body houses the main switch mechanism, and the L body houses the electromagnet, coil, etc.
- Operating Mechanism: Including operating handle, interlocking device, bracket, etc.
- Wiring Device: Including incoming terminals (L) and outgoing terminals (U).
- Microprocessor Module: Built into the circuit breaker, responsible for processing current signals and control logic.
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5. Application Fields
- Industrial Power Distribution: Used for total power distribution of power systems and protection of distribution circuits.
- Power Facilities: Protection of main circuits and key loops in power plants and substations.
- High-Rise Buildings: Protection of main power lines in large buildings.
- Mechanical Equipment: Overload protection for heavy-duty equipment such as large motors and pump stations.
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6. Installation and Maintenance
Installation
The PJA36120 is usually installed in a distribution box, using a base or panel mounting method. During installation, ensure that the body is installed horizontally and the wiring terminals are firmly fastened.
Maintenance
Regularly check the flexibility of the operating handle, the tightness of terminal connections, and whether the circuit breaker has signs of burning. The Micrologic 5.0 module also supports remote monitoring, facilitating real-time understanding of the operating status.
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