Specification for alternating-current relays for railway signalling: track relays (double-element, 2-position), line relays (single-element, 2-position)
€165.00
Electrical protection relays. Requirements for multi-input energizing quantity relays Specification biased (percentage) differential
€269.00
Electrical protection relays. Requirements for multi-input energizing quantity relays Specification directional and power
Electrical relays. disturbance tests for measuring relays and protection equipment Electrostatic discharge
€193.00
Electrical relays Contact performance
€316.00
Electrical relays. All-or-nothing electrical relays
Harmonized system of quality assessment for electronic components. Generic specification: electromechanical all-or-nothing relays
Harmonized system of quality assessment for electronic components: generic specification: mercury wetted make contact units
Relays with forcibly guided (linked) contacts
Electromechanical non-specified time all-or-nothing relays Insulation coordination
Electromechanical non-specified time all-or-nothing relays General requirements
Electrical relays Single input energizing quantity measuring with dependent or independent time
Electrical relays Thermal electrical
Electrical protection relays. Requirements for the principal families of relays Specification general requirements measuring used
Electrical protection relays. General introduction and list of Parts
