If you already have a transformer on site, but want to add primary or secondary protection, DEA Incorporated has stand alone solutions to fit your requirement.

Add flexibility and protection to your operation with a fused disconnect switch for primary protection.

Secondary protection including a Main Circuit Breaker, Neutral Ground Resistor (NGR) and optional monitoring can add a layer of protection in front of the feeder circuit(s).

FUSED DISCONNECT SWITCH FEATURES:

Load break disconnect switch w/ stored energy shunt trip
Fuses and fuse holders (Fuse sizing based on transformer voltage/size)
Capacitive trip unit
Heavy Duty skid mounted frame, 65x38x60” (HxWxL)
Control Power Transformer, fuse protected
E-stop wired to shunt the switch if pressed
Cable strain relief for cables to transformer

OPTIONS:

Feeder circuit to bypass transformer and continue High Voltage distribution **Requires High Voltage Ground Monitor on feeder circuit**
Lightning arrestors (may be required depending on switch/transformer location)
Isolated Fuse compartment
Kirk Key interlock available

Auxiliary Transformer Circuit Breaker Features:

Circuit breaker with motorized operation and shunt trip **breaker size based on transformer output amperage**
Push Button breaker operation
Neutral Ground Resistor
Control Power, Transformer, fuse protected
Heavy Duty, standalone, self-leveling enclosure

Options:

Neutral Ground Resistor monitoring available
Remote (50ft) operator pendant