Description
At higher ratings, rear-entry terminations keep the air circuit breaker neat to cable while LI protection delivers dependable fault response. For project governance and site procedures, refer to our quality and HSE services guidance.
Key Specifications – E4.2N 4000 LI FHR
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Platform: SACE Emax2 
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Frame: E4.2N 
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Type: Fixed air circuit breaker 
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Poles: 3P 
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Terminals: Rear, horizontal 
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Release Unit: Ekip Touch LI (solid-state) 
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Rated Current: R 4000 
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Indication: Breaker position open-closed 
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Auxiliaries: 4x auxiliary contacts 
Highlights
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LI curve for reliable overload and short-circuit protection 
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Rear-entry simplifies cable bends and gland plates 
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Mechanical status flag improves safety checks 
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Accessory-ready for interlocks and signaling 
Typical Uses
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High-capacity incomers and feeders 
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Generator tie sections 
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Process-critical LV boards 
Installation & Support
Fix to the prepared chassis, torque per tables, set LI thresholds to the study, and verify auxiliaries, shutters, and interlocks before energization.
 
					 
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