Emergency Shunt Trip Relay

Hubbell control solutions enclosed bypass shunt relays are typically used to bypass a normal control such as a switch dimmer or panel mounted relay when used on an emergency circuit.

Emergency shunt trip relay.

Emergency shunt relay by lighting controls design. Our ul924 emergency lighting relays can be used for automatic load control or bypass shunt applications to turn on emergency lighting in the event of the loss of normal utility power. The coil in these relays is powered by a normal power supply. During normal operation the same 0 10v dimming system dali control device occupancy sensor relay panel or lighting control device can dim or switch regular and emergency fixtures on and off simultaneously.

When normal power is lost the control is bypassed by the normally closed relay and full power is. Whereas designated and alternate elevator recall captures and sends the elevator cab to safe floors elevator shunt trip works a little different. Emergency bypass shunt relays ul924 applications our emergency shunt relays are designed to fill every need in your emergency lighting applications. Emergency lighting can be controlled under normal conditions using the wall switch input.

I e example if we have a shunt trip coil which is operate on 220 volts so we need to provide the 220 volts ac current to shunt trip coil to operate or to do trip the breaker in emergency time. Ul924 emergency lighting relays. Elevator shunt trip is a function that involves shunting the breaker that controls the elevator equipment prior to the release of the automatic sprinkler systems. A two second self test of the unit is performed every time the wall switch input is turned off.

Shunt relay application our emergency bypass shunt relays are ul924 listed and suitable for shunting around wall switches in order to turn on emergency lighting in the event of loss of normal utility power. Manually controlled emergency lighting will be automatically shunted on during a power outage the emergency shunt relay comes in a two gang junction box with a voltage separating barrier and is shipped with a. The wattstopper elcu 200 emergency lighting control unit is a self contained device that allows any standard lighting control device to control emergency lighting in conjunction with normal lighting in any area within a building. In automatic load control applications when normal power is present the esr relay coil is activated and the emergency panel is.

Elevator controls play a huge role in fire alarm system emergency functions. The normally closed relay in the ul924sr1 ul924sr2 connects to the line and load side of the control device. This slim unobtrusive device converts regular light fixtures to approved emergency lights and can be flush or grid mounted. Normally closed electrically held relay to be wired in parallel with a wall switch.

If power is lost for any reason including the tripping of a single branch circuit breaker the elcu 200 will force on the emergency fixtures for that area.