Abb Type R Circuit Breaker

The operating mechanism ahma is one of the key components to ensure a high availability and relia bility of the circuit breaker elf sp.

Abb type r circuit breaker.

Modified for use on all type r breakers and all esva recloser designs. Mechanism details cover removed front view 15 figure 5a. The high voltage compartment the mounting provisions and the low voltage compartment. Due to this it is abb s interest to develop new service solutions to keep the equipment under the best condition.

They are primarily used by utilities for. The type r mag vacuum breaker is a high voltage three phase device incorporating three vac uum interrupters gang operated by a magnetic actuator. 2 27 1999 5 33 24 am. Mechanism front view.

Type r 27 kv instructions for vacuum circuit breaker created date. A retrofit solution for existing operating mechanism ahma is a reliable and economic option to. Based on magnetic actuation the r mag has fewer moving parts and is mechanically simpler than breakers with traditional spring mechanisms. Mechanism and compartment detail rear view latch check switch push to close bar spring charge m right closing spring manual charge device figure 5b.

The low voltage internal circuitry connects the devices in the low voltage compartments with the con trol power. Together with the optional relaying and current transformers the breaker will sense an overload and automatically open. All components at line potential are contained in the high voltage hv section and are completely. Abb s type v vacuum circuit breaker meets all applicable nema ansi.

The type r vacuum circuit breaker is made up of three basic sections. Abb s type r vacuum circuit breaker meets all applicable ansi nema standards. It is the new mechanism with the new transfer link usable on all es esm and esv reclosers as well as newer design type r breakers and esva reclosers manufactured after march of 1983. This breaker should be installed within the design limitations as described on.

Abb recognizes the industry s focus on safety and reliability and helps meet these goals with the r mag circuit breaker for medium voltage primary substations. Type r vacuum circuit breaker 13. Abb might be done or of the possible hazardous consequences of each. Type r is used for applications at 15 kv or 27 kv and type v for applications at 38 kv.

Some of the devices are the heaters charg ing motor trip and close coils and relays. These designs are to be used for indoor applications.