B8.20 - Square D - Overload Relay Thermal Unit Condition:New This is the standard 20

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B8.20 - Square D - Overload Relay Thermal Unit Condition:New This is the standard 20B8. 20 Square D Overload Relay Thermal Unit Square D plug in mounting standard thermal overload heater unit sensing method melting alloy, Standard Trip, full load ampere 5. 21 to 6. 85 Amp. Manufacturer: Schneider Electric Family: B Series Type: B Overload Heater Specifications Thermal Unit Motor Tripping Class: 20 Sensing Method : Melting Alloy Plug In Mounting Full Load Amps: 5. 21 to 6. 85 Amp Trip Type: Standard Trip Authentic Square D Product.