Description
This moulded case circuit breaker is specified for 20 A service with a compact 3-pole fixed frame and 10 kA breaking capacity at 240 V AC and 380 V AC. It fits new builds or retrofits where reliable protection is essential, and for turnkey assemblies it integrates cleanly with our industrial panel fabrication to standardize layout and wiring.
Key Specifications – Moulded Case Circuit Breakers
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Model: A1A 125 TMF 20-400 3P FF 
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Device type: Moulded Case Circuit Breaker 
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Poles: 3P 
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Rated current (In): 20 A 
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Icu: 10 kA at 240 V AC 
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Icu: 10 kA at 380 V AC 
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Mounting: Fixed type 
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Trip unit: TMF thermal-magnetic 
Highlights
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Compact frame suitable for dense panel layouts 
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Consistent 10 kA breaking capacity across 240/380 V AC 
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Reliable thermal-magnetic protection with simple settings 
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Maintenance-friendly access and clear terminal markings 
Typical Uses
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Feeder and distribution circuits in small switchboards 
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Motor, HVAC, and lighting branches where 10 kA Icu is adequate 
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Retrofit upgrades in commercial and industrial panels 
Installation & Support
Delivered ready to install with documentation on conductor sizing, coordination, discrimination, and thermal management.
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Rapid fulfillment from managed inventory 
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Optional commissioning assistance and maintenance plans 
 
					 
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