MVAJ13D1GB0780A  High-speed tripping and control relays

The MVAJ range consists of highly reliable hinged armature relays designed to directly operate circuit breaker trip coils.

Built to very high specifications, the MVAJ range provides an extremely flexible and reliable link between the protective relays and the circuit breakers.

Numerous features and configurations for multiple tripping schemes

Equipped with a wide range of features and configurations, the MVAJ range can be applied to all types of tripping schemes.

Operating at high speed with very little contact bounce, this range is available in hand, electrical and self-reset models.

An external link connection enables selection of high or low burdens and a delayed cut-off is available for high-burden applications.

The MVAJ range is also equipped with AC or DC operating functions for low burden configurations and it ensures immunity to any wiring capacitance discharge.

MVAJ13D1GB0780A  High-speed tripping and control relays

MVAJ13D1GB0780A

Protective relays are precise measuring devices, the contacts of which should not be expected to switch large electrical loads.

In some cases, the protective relay can trip a circuit- breaker directly, or according to the coil rating and the number of circuits to be energised.

The MVAJ relay interfaces with the protection to provide: higher contact capacity, additional contacts for tripping multiple circuit-breakers, control functions, signalling and interlocking.

The MVAJ range comprises very reliable hinged armature relays designed to directly operate circuit-breaker trip coils. Built to very high specifications, the MVAJ range provides a highly flexible and reliable link between the protective relays and the circuit-breakers.

MVAJ13D1GB0780A

Models Available

Trip relays

Trip relays possess a standard hand-reset flag and operate within 10 ms.

Table 1 shows the trip relay versions available

Control relays

Control relay variants of each trip relay are available. These relays operate within

approximately 15 ms

All relays configured for high burden applications are suitable for DC operation only