Description
Product details:
Feeder protection relay REX 521 is designed for protection, control, measurement, and supervision in medium voltage networks, as well as protection of medium to large three-phase AC motors in circuit breaker control motor drives. Typical applications include input, output and motor feeders and substation protection. In addition, the relay can be used for example as backup protection for power transformers and backup for high voltage line protection relays.
REX521GHHGSH05G protective relay provides excitation input to conventional current and voltage transformers. Hardware versions with current and voltage sensor inputs are also available.
The REX 521 Feeder protection Relay is further enriched with additional features to provide more effective protection, extended measurement functions, supervision, control functions and connectivity for your power network. REX 521 is primarily used in single bus solutions, using a circuit breaker for various protections.
The REX521GHHGSH05G is available in prefabricated standard configurations for use in different types of networks. Typical applications include radially isolated neutrals, resonant ground, firmly grounded, and incoming and outgoing wires in resistive ground systems.
range
Protection, control, measurement and supervision in medium voltage network, and protection of large and medium-sized three-phase AC motors
Advantages of REX521GHHGSH05G
Multifunctional protection
Product features of REX521GHHGSH05G
Excitation input of conventional current and voltage transformers
Versions with current and voltage sensor inputs are also available
Prefabricated standard configuration
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NMBA-01 | AB 80165-018 | PR6424/119-121 |
NKLS01-L19 | AB 80160-077 | PR6424/119-000 |
NKLS01-L15 | AB 80157-072-51-R | PR6424/118-121 |
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