Flag

Primary winding transformer WSK

Primary Winding Transformer, WSK, is the perfect choice for low currents in the range 1 A to 100 A.

Get a quote

Primary Winding Transformer, WSK, is the perfect choice for low currents in the range 1 A to 100 A.

The housing of the transformers is made of impactresistant thermoplastic to ensure a highly reliable quality. The terminals of the transformers are protected by a cover.

  • Primary current: 1 to 150 A
  • Secondary current: 5 or 1 A
  • Burden: 2.5 to 15 VA
  • Accuracy class: 0.5 or 1.0

Related products

Measuring transformer ASK & ASR

  • Designed for cables and busbar
  • Primary current: 40 to 7,500 A
  • Secondary current: 5 or 1 A
More details

Split core transformer KBU

  • Primary current: 250 to 5,000 A
  • Secondary current: 5 or 1 A
  • Burden: 1.25 to 30 VA
More details

Summation transformer KSU & SUSK

  • Primary current: 1 or 5 A
  • Secondary current: 5 or 1 A
  • Accuracy class/protection class: 0.5 or 1.0
More details

Current relay RMC-122D

  • Short circuit and over-current
  • I>>: 100 to 400 %, I>: 50 to 150 %
  • Combined functionality
More details

Current relay RMC-142D

  • Earth fault protection at two levels
  • Built-in filter for 3rd harmonic
  • LED indication of fault condition
More details

Current relay RMC-131D

  • Differential current relay
  • ANSI code 87
  • Measurement of 3-phase currents
More details

Current relay RMC-111D

  • Short circuit relay (I>>)
  • ANSI code 50 and 51
  • Measurement of 3-phase currents
More details

Current relay RMC-121D

  • Short circuit and over-current circuit relay (I> + I>>)
  • ANSI code 50 and 51
  • Measurement of 3-phase currents
More details

Current relay RMC-132D

  • Double over-current relay (I> + I>)
  • ANSI code 50 and 51
  • Measurement of 3-phase currents
More details

Voltage relay RMV-112D

  • Under- and over-voltage.
  • U>: 100 to 120 %, U<: 80 to 100 %.
  • Under-voltage/over-voltage (U< + U>)
More details

Voltage relay RMV-122D

  • Over-voltage (double).
  • U>: 100 to 120 %,U>: 100 to 120 %.
  • Under-voltage/over-voltage (U< + U>)
More details

Voltage relay RMV-132D

  • Under-voltage (double).
  • U<: 80 to 100 %, U<: 80 to 100 %.
  • Under-voltage/over-voltage (U< + U>)
More details

Voltage relay RMV-142D

  • Under- and Over-voltage.
  • U>: 100 to 120 %, U<: 80 to 100 %.
  • Single phase measurement.
More details

Power relay RMP-111D

  • Generator and prime mover protection
  • ANSI code 32
  • 3-phase measurement
More details

Power relay RMP-112D

  • Generator and prime mover protection
  • ANSI code 32
  • 3-phase measurement
More details

Power relay RMP-121D

  • Generator and prime mover protection
  • ANSI code 32
  • 3-phase measurement
More details

Synchronisation & circuit breaker closing FAS-113DG

  • Automatic.
  • Voltage regulation
  • Breaker-time compensation. 
More details

Multi-functional protection relay MTR-4P

  • Up to 1,000 V L-L AC voltage input
  • Up to 20 A AC current input
  • Accuracy class: 0.5
More details

Multi-transducer MTR-4

  • Suitable for all 1- and 3-phase network topologies
  • Up to 1,000 VL-L AC input
  • Accuracy class: 0.5 or 0.3
More details

Paralleling & protection unit PPU-3

  • Internal system supervision
  • Engine control, monitoring and protection
  • 3-phase generator protections
More details

Paralleling and protection unit PPU 300

  • All in one controller: genset control, monitor and protection, breaker operation
  • Load sharing with ring communication
  • Automatic synchronise and deload breaker
More details

Protection & power management PPM-3

  • Internal system supervision
  • Engine control, monitoring and protection
  • 3-phase generator protections
More details

Protection & power management PPM 300

  • PMS with ring communication
  • Generator control
  • One touch sequences for genset start & stop, and breaker close & open
More details

Looking for software, documentation or whitepapers?

A unique trademark of DEIF for decades, we offer complimentary unrestricted access to software updates, technically detailed product documentation along with educational and inspirational whitepapers on industry-relevant topics of tomorrow.