For more than 100 years, Mersen has been providing the market with safe, reliable and longer life time off-load disconnectors.These devices offer high performances and robustness for heavy duty requierements with very limited maintenance. Mersen offers one of the largest product ranges on the market and is the global leader. Mersen has a switch solution that will meet your unique needs. Our standard ETM High Power Switches are rigorously engineered to meet your technical specifications. Operation : They can be operated manually or with an adapted motor (see list) up to 3.000 cycles. Phase to Phase distance, Signaling, Terminal Box or Locking system can be studied and customized. Maximum frequency up to 175Hz Indoor in a currentless state Ambient air should not exceed +40°C (otherwise please consult) Altitude should not exceed 1000 m Relative humidity should not exceed 95% List 2 following IEC 62271-102

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Quick Overview

No Load Operation
Quick-on mechanism (spring)
Closing with short circuit current
Indoor Type - Horizontal axis mounting (Vertical under study)
Configuration with 1, 2, 3 poles (more on request)
Mechanical endurance : 3.000 cycles
Maximum temperature withstand at 130°C without damage to the switch
Electrical contact by contact blades with pressed-on Hard Silver Contact Rivets and silver-plated
Supporting insulators made of cast epoxy resin (fire classification according to UL94-V1)
Large isolation air and creepage path
Self-cleaning blade contacts
True opening and visible distance
Rugged anti-torsion construction
Full customisation with :
Manual, motor
Auxiliary switches, blocking magnets, locking devices
Dimensions Fitting

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Details

Size per Standard ETM 8.000A to 12000A (higher rating on request)

Speed / Characteristic Around 1 sec with pneumatic operation 3 to 4 seconds with motor operation (depend on the rating)

Number of Poles 3

Standards According to IEC 62271-102

Application Power Conversion, Power Generation, Power Transport (Oil&Gaz turbine, Hydro plants, braking, night pump storage, ...)

ROHS Compliant Consult Technical Services

Lead Free Consult Technical Services

CE conformity Yes

Additional Information

Manufacturer: Mersen

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