The Legrand Trip-free Switch DMX³-I 2500 is ideal for industrial settings, data centers, and commercial buildings requiring reliable power distribution solutions. This switch offers:
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Superior safety features with trip-free operation to prevent manual override during faults
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High breaking capacity of 100kA, suitable for critical applications
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Draw-out design for easy maintenance without power shutdown
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Modular auxiliary options for enhanced control and monitoring
Key Features
- Rated for 1250A at 40°C, suitable for primary power distribution
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3-pole configuration with 690V AC voltage rating
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IEC 60947-3 compliant, ensuring adherence to international standards
- Robust industrial design with IP40 front protection
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Draw-out version facilitates maintenance and operations
Technical Specifications
| Part Number |
20878LS |
| Manufacturer |
Legrand Group |
| Current Rating |
1250A |
| Voltage Rating |
690V AC |
| Pole Configuration |
3 poles |
| Breaking Capacity |
100kA at 415V |
| Control Voltage |
24-48V DC / 110-240V AC |
| Operation |
Trip-free mechanism |
| Installation Type |
Draw-out with removable unit |
| Protection Class |
IP40 (front), IP20 (rear) |
| Mounting |
Panel mounting in switchgear |
Frequently Asked Questions
Q: What is the purpose of a trip-free switch?
A: A trip-free switch ensures safety by automatically tripping open during faults, preventing manual closure which could lead to hazardous conditions.
Q: How does draw-out operation benefit service and maintenance?
A: The draw-out design allows the switch to be withdrawn for maintenance without disrupting power, enhancing safety and system uptime in switchgear assemblies.
Q: What environments is the DMX³-I 2500 suitable for?
A: It's suitable for heavy-duty applications in industrial environments, data centers, and power generation facilities, among others.
Q: Are there special installation requirements?
A: Installation requires trained electrical personnel and coordination studies for selective protection and arc flash labeling.
Trip-free switch DMX³-I 2500 by Legrand: 3 poles, 1250A, draw-out version for safe, reliable industrial power distribution.
