Main features
- Compatibility with 12/24/36 connection modules
- Includes 12+2 inputs for additional connections
- Compact design suitable for IP40 environments
- Robust construction for industrial use
- Easy installation in existing modular systems
Technical specifications
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Protection against: Short-circuit currents and overload
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Position indicator: Color-coded for status visualization
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Application: Residential, commercial, and industrial installations
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Tripping curves: B (3-5In), C (5-10In), D (10-14In)
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Breaking capacity: Up to 6000A
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Electrical life: 4,000 cycles
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Ambient temperature: -5°C to +40°C (operation), -25°C to +70°C (storage)
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Connection: Screws for 18-4 AWG (25mm²) cables, 10mm² copper busbar
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Mounting: DIN rail EN 60715 (35mm)
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Protection degree: IP40
Dimensions
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Dimensions: 49.5±0.31mm (width) × 54.1mm (height)
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Distance between modules: 13.0±5mm
Compatibility
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Compatibility: 12, 24, and 36-position connection modules
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Electrical compatibility: With NB1-63 and NB1-63H switches
Standards and certifications
- IEC/EN 60898-1
- IEC/EN 60947-2
- UL1077
Applications
- Protection of electrical circuits in residential installations
- Protection of equipment in commercial and industrial systems
- Protection of low-voltage transformers
- Protection of loads with high current peaks
Technical characteristics
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Rated voltage: 230/400V AC
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Insulation voltage: 500V
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Frequency: 50/60Hz
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Energy limiting class: Class 3
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Withstand voltage: 4000V (1.2/50μs)
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Dielectric test: 2kV/1min
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Pollution degree: 2
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Tightening torque: 2.5 N·m (22 in-lbs)
Selection and protection
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Curve B: 3-5In - Protection for people and long cables in TN and IT systems
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Curve C: 5-10In - Protection for resistive and inductive loads with low inrush current
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Curve D: 10-14In - Protection for transformers and discharge lamps
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Selection: Based on short-circuit current and system voltage
Additional characteristics
- Trip-free mechanism
- Space for heat dissipation
- Extendable fuse holder for easy installation
- Accepts busbars