ESCO EA742HF-1. [For EA742GH, EA708BW-1A,-2] Clamp sensor

Rated first-in-one voltage

AC 400V

Output voltage

800 mV / 400 V

Maximum rated voltage between the ground

600V: Measurement Category III Expected transient overvoltage 6000V
300V: Measurement category IV Expected transient overvoltage 6000V

Voltage detection method

Combined capacitance cancellation method

Measurement object

Covered wire (equivalent to IV, CV), metal part ※Shielded wire is not allowed

Measurable conductor diameter

Finished outer diameter φ6mm~30mm
(IV wire 8mm2 to 25mm2, CV wire 2mm2 to 250mm2)
In the case of φ15mm or less, the center of the conductor must be above the top of the lower case △mark.

Accurate guaranteed temperature and humidity range

23℃±5℃, 80%RH or less

Place of use

Indoors, pollution degree 2, altitude up to 2000m

Temperature and humidity range used

0 to 50℃, 80% RH or less (no condensation)

Storage temperature and humidity range

-10 to 60℃, 80% RH or less (no condensation)

withstand voltage

AC7.06kV rms (sensitivity current 1mA) (50/60Hz, 60 seconds)
Between the clip opening and the output terminal

Size

Clip part: about 33 (W) x 97 (D) x 61.5 (H) mm (excluding protrusions)
Relay box: about 34 (W) x 131.5 (D) x 21 (H) mm (excluding protrusions)

Weight

About 220g

Code length

Total length: about 3.0m (including relay box, not including clip)
Between the clip part and the relay box: about 1.5m

Compliant standard

Safety: EN61010
EMC: EN61326 (Class A)

Specification

[For EA708BW-2B, -30,-31] Voltage sensor