WALO-E

WALO-E

Manufactured by CELSA Messgeräte GmbH in Germany

Calibrated clip-on current transformersfrom €102.66 incl. VAT

Delivery by Mon, 02/11/2026

24h24h express production available – selectable at checkout while the manufacturer's capacity allows.

Datasheet (PDF)

Product description

Article features

  1. This calibrated current transformer is suitable for billing purposes
  2. The design is approved by the Physikalisch Technische Bundesanstalt (PTB) Braunschweig
  3. This Winding current transformer is mostly used for new installations, as the circuit must be interrupted here.
  4. Easy handling with a rotatable and sealable secondary terminal cover.
  5. Suitable for floor and side mounting.
  6. Most cost-effective and most common variant.
  7. Currently the most compact design on the market, thus wonderfully suitable for the control cabinet.
  8. Other areas of application are machine and plant construction.
Dimensions (W × H × D)
60 × 82 × 31 mm
Design
Wound primary current transformer
Secondary connection
Screw terminal
Touch protection
yes
Packaging (W × H × D)
64 × 93 × 32 mm
Rated current
1 – 40 A
Instrument security factor
FS 5

Scope of delivery

  • 2 ×Plug-in foot ALO/WALO

Conditions of use

Secondary current5A / 1A / 333mV
Nominal frequency50 - 60 Hz
max. permissible operating voltage720 V
Test voltage3 kV / 1 min
Thermal rated continuous currentIcth = 1,2 x Ipr
Thermal rated short-time withstand currentIth = 60 x Ipr
Rated impulse currentIdyn = 2,5 x Ith
Overcurrent rating (FS)n < 5
Insulation classE / F / H
Normative standardsIEC 61869 Teil 1 + 2 / DIN EN 42600
HousingGehäuse aus selbstverlöschendem PA66 V0 nach UL 94

Environmental conditions

Installation locationIndoor use
Ambient temperature (operation)-40°C ... +60°C
Ambient temperature (storage / transport)-40°C ... +60°C
Altitudeup to 1000 m

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