Change-over and Transfer Switches

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The TKDQ series of automatic transfer switch is used in the dual power supply system with the rated frequency of 50Hz or 60 Hz, the rated working voltage 220V or 400V, and the rated current up to 800A for the switching between common power supply and standby power supply. It can provide bottom loads and cables with short circuit and overload protection. It is often applied in the low voltage terminal distribution systems in the civilian area, industrial area, construction field, and other fields.

Standards Compliant
1. a. IEC 60947-1:2001 and GB 14048.1-2006, Low Voltage Switchgear and Control Equipment - General
b. IEC 60947-2:2006 and GB 14048.2-2008, Low Voltage Switchgear and Control Equipment - Circuit Breaker
c. IEC60947-6-1:2005 and GB14048.11-2008, Low Voltage Switchgear and Control Equipment - Multifunctional Electrical Equipment, Transfer Switching Equipment

Type	TKDQ1-63	TKDQ1-100	TKDQ1-225	TKDQ1-400	TKDQ1-630	TKDQ1-800	TKDQ2-63
Rated operating voltage Ue(V)	AC400V 50Hz or 60 Hz						AC220V, AC400V 50Hz
Rated current Ie (A)	16, 20, 25, 32, 40, 50, 63	16, 20, 25, 32, 40, 50, 63, 80, 100	100, 125, 140, 160, 180, 200, 225	225, 250, 315, 350, 400	400, 500, 630	630, 700, 800	6-63A
Rated insulation voltage (V)	500	690					440
Poles	3P, 4P						2P, 3P, 4P
Rated short circuit breaking capacity Icn (kA)	18/26	22/35/50	25/35/50	35/42/65	35/42/65	50/65	6/10
Electrical life	3000	3000	3000	2000	1500	1500	3000
Mechanical life	6000	6000	6000	4000	2500	2500	6000
Switching time (s)	1-99
Manual/auto switch	√	√	√	√	√	√	√
Common power setting	√	√	√	√	√	√	√
Delay control	√	√	√	√	√	√	√
Overvoltage switching	√	√	√	√	√	√	√
Undervoltage switching	√	√	√	√	√	√	√
Open phase conversion	√	√	√	√	√	√	√

Related Names
Emergency Power Transfer Switch | Home Standby Generator Switch | Electric Switches

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