Current Transformers and Voltage Taps

Anywhere high currents are measured and processed, WAGO's current transformers are your first choice. Voltage taps also easily and safely tap the measurement voltage in existing systems.

Your benefits:

  • Safe, secure wiring with CAGE CLAMP® Connection Technology
  • Full range of products for new systems, as well as for retrofitting existing installations
  • Coordinated components for your energy data management

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Take the Road to Net Zero
with WAGO Energy Meters (MID)

Your Benefits:
  • Record values for active and reactive energy, mains frequency, as well as current, voltage and power for all phases
  • Applications with consumption billing are possible through compliance with MID directive 2014/32/EU
  • Professional communication thanks to the M-Bus and Modbus® interface and two S0 pulse outputs
  • Intuitive configuration through touch-sensitive controls and configuration app via Bluetooth®
  • Full transparency with an illuminated full-format display
  • Saving time at every level thanks to Push-in CAGE CLAMP® and levers
  • Slim design conserves valuable control cabinet space

Current and Voltage Tap

A combination of current transformer and voltage tap, WAGO's current and voltage tap can be quickly and easily mounted into the jumper slot of the 95 mm2 (4/0 AWG) high-current through terminal block (285-195).


  • Power data can be directly tapped into the power supply
  • Integrated 25 A/1 A current transformer
  • Complies with accuracy class 0.5 per EN 61869-2 for exact measurement results
  • Fused voltage path protects downstream measurement devices

Plug-In Current Transformers with CAGE CLAMP® Connection Technology

  • Screwless CAGE CLAMP® Connection Technology
  • Quick-mount kit for easy and cost-effective installation
  • Tremendous versatility thanks to several mounting options
  • Easy transformer short-circuiting via redundant secondary terminals S1 and S2
  • UL listed

Split-Core Current Transformers

  • Compact split-core current transformers – ideal for retrofitting existing systems
  • No current path interruption
  • Easy and cost-effective installation via cable ties
  • Transformer leg (855-5xxx) can be completely removed if space is tight

Plug-In Current Transformers with picoMAX® Connection Technology

  • Easy secondary cable installation via pluggable picoMAX® Connection Technology
  • Space-saving assembly directly above the circuit breaker, thanks to side latches for optimum serial mounting
  • UL listed

Rogowski Coils

WAGO's 855 Series Rogowski Coils feature a closed-air coil with a non-magnetic split core and reliably convert AC currents.


  • Reduced footprint – ideal for measuring high currents via split core
  • Easy to use via bayonet lock and anchor points for cable ties
  • Higher security via sealable bayonet lock
  • Direct connection of Rogowski coils to the 3-phase power measurement module (750-495/000-002)
  • Ready for worldwide use in many industries, thanks to UL listing

Voltage Taps for Insulated Conductors

WAGO's 855 Series Voltage Taps easily and safely tap the measurement voltage in existing systems. Conductor contact is made via IDC connection for fast voltage tap-off.

Your benefits with our voltage taps:

  • Safely tap the measurement voltage with just one turn
  • Tool-free insulation displacement connection guarantees secure installation
  • 2 A fuse (5 x 25 mm) possible
  • For insulated conductors up to 16 mm² (6 AWG)

Inspiration for You

Current Measurement and Analysis

WAGO's Solution for Energy Monitoring and Conservation

Compact Transformer Terminal Blocks

Pre-assembled terminal block assembly for easy connection and short-circuiting of current transformers, suitable for 3-phase power measurement modules


Compact Transformer Terminal Blocks

The simple solution to reliably short-circuit current transformers that are not directly wired to a load. Also available for 3-phase circuits.

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