Comet BL-I/BL-A

Short-circuit and earth fault indicators

Remote monitoring

Voltage detectors

Short-circuiting and earthing devices

Substation accessories

Comet BL-I | Comet BL-A

Voltage detector with self-test

Description

The Comet BL-I / BL-A devices are single-pole capacitive voltage detectors. They are intended for the detection of operating voltages clearly indicating either the “voltage present” or “voltage not present” state.

The voltage detectors are provided with a built-in self-test facility which checks the function of the circuit including the contact electrode (comprehensive self-test function) before each use.

For transportation purposes, the insulating element can be removed from the display with the contact electrode.

According to the German accident prevention standard DGUV Regulation 3 (Table 1c), the device is subject to maintenance tests with minimum intervals of at least 6 years.

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Product Highlights

Designed according to IEC 61243-1 (VDE 0682-411), category S
Comet BL-I: for dry conditions
Comet BL-A: for dry and wet conditions
Voltage indication visual or visual and audible
Built-in self-test

Technical Data

Comet BL-I \| Comet BL-A
Application voltage detectors
Application	Comet BL-I: for dry conditions Comet BL-A: for dry and wet conditions
Indication
Indication	Optical: 1 red LED / 1 green LED Optical and acoustic: 1 red LED / 1 green LED / 1 buzzer
Nonimal frequency
Nominal frequency	50 Hz (optional 60 Hz)
Power supply voltage detectors
Power supply	2 lithium cells, battery service life: 6 years based on 10 ready-to-operate cycles per day for a total of 230 work days per year
Temperature range
Temperature range	−25 to +70 °C, climatic class N and W