Installation Manual
UVH series Anti-pump Relay Operation & Replacement
The UVH series has an anti-pump relay to prevent the closing coil (CC) from overheating or being damaged. The relay is located at the top left of the VCB when the front cover is removed. The CC is designed to operate only once when the operator ...
VCB Mechanism 4th-gen Return Spring Replacement Instructions (UVH / UVM Series)
The UVL series might not have a return spring, as its mechanism is similar to that of an ACB. However, UVH and UVM models do have a return spring, which can be seen after removing the front cover. Auto-discharge / Trip-free Operation In the previous ...
Guidance for Replacing Mechanism Truck Ass'y on 38kV VCB (UVH H-Type) with Lifter (Forklift)
This information may be helpful when replacing the truck assembly for a 38kV UVH H-type VCB, especially when the breaker is already installed in the switchgear. Applicable Item Code 65423173812 MECHANISM ASS’Y, TRUCK, P300, S490, 10a10b, 3P, UVH ...
VCB_MCRS_Manual