Automatic transfer switch SQ8T

automatic transfer switch is a PC class infrequent change-over switch,with two- station design (commonly used for A and standby for B), suitable for ACsystems with AC 50-60hz and rated current 6A-63A. The main function of theautomatic transfer switch is when the main power (common power supply A)fails, the ATS will automatically switch to the backup power (Backup powersupply B) to continue working (switching speed <50 miliseconds), which caneffectively solve the troubles caused by power outages.

ELECTRICAL TECHNICAL REFERENCE

SQ8T    
Case grade 63
Rated operating current le(A) 6A/10A/16A/20A/25A/32A/40A/50A/63A
Rated insulation voltage UL 690V
Rated impulse withstand voltage Uimp 8kv
Rated working voltage Ue AC200V/AC110V
Rated frequency 50/60Hz
Class PC class:can be switched on and loaded without generating short-circuit current
Pole number 2P 4P
Rated short-circuit current lq 50kA
Short circuit protection device(fuse) RT16-00-63A
Rated impulse withstand voltage 8kV
Control circuit Rated control voltage Us:AC220v,50Hz Normal working conditions:85%Us-110%Us
Auxiliary circuit AC220V/110V 50Hz Le=5A
Contactor change-over time <50ms
Operation change-over time <50ms
Return change-over time <50ms
Power off time <50ms
Change-over operation time <50ms
Mechanical life ≥8000tmes
Electrical life ≥1500tmes
Usage category AC-31B

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