Locate the correct circuit breaker or fuse without turning off the power with the Extech CB20 Circuit Breaker Finder, which employs automatic sensitivity to quickly and accurately pinpoint the correct 90-Volt to 120 VAC circuit breaker or fuse. The CB20 is ideal for a range of applications, including locating branch circuit breakers without causing accidental power shutoffs, confirming proper wiring during electrical installation or repair, and testing receptacle ground fault operation. Complete with Receiver, Transmitter, and 9V battery.
| Specifications | Range |
|---|---|
| Operating Voltage | 90 to 120VAC |
| Operating Frequency | 47 to 63Hz |
| Power supply | 9V battery (receiver) |
| Operating Temperature | 5ºC to 40ºC (41ºF to 104ºF) |
| Storage Temperature | ‐20°C to 60° C (‐4° F to 140° F) |
| Operating Humidity | Max 80% up to 31ºC (87ºF) decreasing linearly to 50% at 40ºC (104ºF) |
| Storage Humidity | <80% |
| Operating Altitude | 2000 meters (7000ft.) maximum |
| Weight | Transmitter: 91g (3.2oz) |
| Receiver: 136g (4.8oz) | |
| Dimensions | Transmitter: 118 x 60 x 35mm (4.6 x 2.4 x 1.4″) |
| Receiver: 196 x 55 x 36mm (7.7 x 2.2 x 1.4″) |