- Country of manufactureRussia
- Plant manufacturerКЭАЗ
Triple-pole automatic switches of the BA57 series are intended for application in electric chains with tension 400/690B
Alternating current with a frequency of 50 and 60 Hz and direct current to 440B, their protection against currents of short circuit, currents of an overload, inadmissible undervoltages, and also for infrequent expeditious inclusions and shutdowns.
Conform to requirements of GOST P50030.2
Rated currents of switches to 630 A.
BA57-31; BA57-35; BA57-39 — current-limiting devices with the high disconnecting ability (to 40 kA)
Wide range of settings of electromagnetic rastsepitel.
Auxiliary Contacts (AC) and auxiliary contacts of the alarm system (ACAS) of automatic shutdown.
Independent rastsepitel (HP).
Rastsepiteli of minimum (RMN) and zero tension (RNN).
Button of testing of the mechanism of free unhooking.
The manual remote drive for operating through a door.
Existence of executions with the remote electromagnetic drive.
Sliding execution of BA57-35 with the manual and electromagnetic drive