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OKBA

OKBA
Highlights
  • Plug-in bistable relay with 4 contacts, 10 A, with magnetic arc blow-out
  • Solid and rugged construction for intensive duty
  • Automatic de-energization following operation, magnetic latch
  • Excellent shock and vibration resistance
  • Ample clearance between open contact elements, 5 kV insulation
  • Transparent cover, pull-out handle
  • Wide variety of configurations and customizations
  • Wide range of sockets
Description

OK series plug-in relays (4 changeover contacts) are designed and built with materials and solutions that impart excellent characteristics of endurance and ruggedness:

- Suitable for use in harsh operating environments and when subject to strong thermal shocks.

The excellent electrical and mechanical performance of these relays allows them to be used in the most demanding sectors, such as:

- Control and signalling functions in electricity generating stations

- Electrical transformer stations

- Rail transport

- Industries with continuous production processes

Magnetic arc blow-out, ample contact clearance, exceptional efficiency in breaking DC loads and pulsed 5 kV insulation between open contacts.

The contacts are mounted on individual and independent blades, deigned to assure unparalleled pressure values on the make and break contacts, in the region of 0.8…1N. Sliding and self-cleaning contact.

Compliance with standards
  • EN 61810-1, EN 61810-2, EN 61810-7 Electromechanical elementary relays
  • EN 60695-2-10 Fire hazard testing
  • EN 50082-2 Electromagnetic compatibility
  • EN 60529 Degrees of protection provided by enclosures
  • EN 60077 Electric equipment for rolling stock - General service conditions and general rules
  • EN 50155 Electronic equipment used on rolling stock
  • EN 61373 Shock and vibration tests, Category 1, Class B
  • EN 45545-2 Requirements for fire behaviour of materials and components – Product No. EL10 – Requirement R26, V0
  • ASTM E162, E662 Standard Test Method for Surface Flammability of Materials, Standard Test Method for Specific Optical Density of Smoke
  • LV15/LV16 ENEL / TERNA approved
  • STF IFS TE 143 A RFI approved
Designation
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RELAIS OKBA
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OKBA-CFG1
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