3WL air circuit breaker/load isolators up to 6300A (AC), 1000A (DC), frame size I, II, III with electronic trip units with 4 line LCD display or graphic LCD display, optional M extended measuring function, optional parameter set, freely programmable parameters, CubicleBUS
The manual describes the SENTRON 3WL air‑gas breaker, covering its rated current, voltage, short‑circuit breaking capacity, IP protection, and mechanical dimensions. It also details the supported communication interfaces such as PROFIBUS DP, MODBUS and CubicleBUS.
Installation guidelines, wiring diagrams, and operating procedures are included, along with environmental requirements and maintenance recommendations. The document is intended for engineers and technicians responsible for configuring and servicing the protection unit. This manual is written in Chinese.
| Rated current | 1000 A, 2000 A, 4000 A |
|---|---|
| Rated voltage | 0 VAC – 1000 VDC |
| Short‑circuit breaking capacity | 300 kA – 1000 kA at 500 V AC |
| Operating cycles | 15 000 operations |
It is rated up to 1000 kA at 500 V AC.
The unit is rated for 15 000 make‑and‑break operations.