MCB
Do MCB Busbars include end caps?
Do the UL489 and UL1077 MCB cuttable bus bars include endcaps? Yes, they do include endcaps. Only the 1 meter length cuttable busbars do NOT include endcaps. These cna be ordered seperatley. Example: Item #: 0692001363 (PB-3P12M80A-HUC) includes ...
MCB Temperature Derate
UL489 and UL1077 MCBs are calibrated for a specific ambient temperature. The UL489 BK63HU is calibrated for 40℃. The UL1077 BK63H is calibrated for 25℃. The LS MCBs can be installed in an environment from -40 ~70 degrees C. You must follow the below ...
How many accessories can I mount on an MCB?
LS Miniature Circuit Breaker (MCB) accessories are always mounted onto the left side. This is due to a mechanical trip pin on the MCB. There is a variety of accessory arrangements which can be mounted to the MCBs. See below combinations for ...