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Introduction

ETI product series

Auxiliary Switches (PS PCF and PS EFD)

• Purpose: Auxiliary switches are designed to signal the operation (blown fuse) of a fuse link. They are typically used for remote monitoring or to trigger other control circuits.
• Compatibility: 
  • The PS PCF is designed for use with the PCF 8 and PCF 10 fuse-switch disconnectors.
  • The PS EFD is intended for mounting with the EFD 14 and EFD 22 disconnectors, in all pole configurations (1p, 2p, 1p+N, 3p, 3p+N).
• Dimensions: The PS EFD has a width of 9 mm, with other dimensions matching the corresponding EFD 14 and EFD 22 switches.
• Triggering Mechanism: The PS EFD relies on the striking pin of the CH14 or CH22 fuse link to signal operation. It's important to note that only fuse links conforming to IEC 60269-2 which include a striking pin, will trigger this auxiliary switch.
• Contact Configuration: 
  • The PS PCF is available with 1 x make contact.
  • The PS EFD has a 1 x make and 1 x break contact configuration.

Connection Kits

• Purpose: Connection kits simplify the assembly of multi-pole fuse-switch disconnectors, especially in the EFD series where modular assembly is a key feature.
• Types Available: The sources specify connection kits for 2-pole and 3-pole configurations.
• Compatibility: The specific EFD models compatible with each connection kit are not explicitly listed in the source. Further information from the full catalogue may be needed.