T21 Analog Timers Description

Model	AC	T21 - 1 / 3 / 6 / 3H - 4A20
	DC	T21 - 1 / 3 / 6 / 3H - 4D24
Power supply voltage	AC	200 - 230 V a.c 50/60 ㎐
	DC	24 V d.c
Operating voltage range		Power supply voltage ±10 %
Power consumption	AC	3.1 VA max (230 V a.c 60 ㎐)
	DC	1.5 W max (24 V d.c)
Reset time		100 ms max
Time Range	1	0.1 sec ~ 10 min
	3	0.3 sec ~ 30 min
	6	0.6 sec ~ 60 min
	3H	0.3 hrs ~ 24 hrss
Accuracy of operating time		±1 % FS max
Setting error		±10 % FS max
Control output	Output mode	Power on delay, Interval, Flicker OFF Start, Flicker ON Start
	Contact construction	4a4b
	Capacity	250 V a.c 3A Resistive load
Life expectancy		Mechanical : 10 million operations min, Electrical : 200,000 operations min
Insulation resistance		100 ㏁ min (at 500 V d.c, Between current-carrying terminals and exposed noncurrent-carrying metal parts.)
Dielectric strength		2000 V a.c 50/60 ㎐ 1minute (Between current-carrying terminals and exposed noncurrent-carrying metal parts.)
Noise immunity		±2 kV (Between power terminal, pulse width ±1 ㎲, square wave noise by noise simulator)
Vibration resistance		10 - 55 ㎐ (For 1 min), Double amplitude 0.75mm, X, Y, Z each direction for 1 hour
Shock resistance		300 ㎨ X, Y, Z each direction for 3 times
Ambient temperature		-10 ~ 50 ℃ (Without condensation)
Storage temperature		-25 ~ 65 ℃ (Without condensation)
Ambient humidity		35 ~ 85 % RH
Weight		Approx. 42 g

Model	Code			Description
T21	[]	[]	[]	Timing Relay
Time Range	1			1 sec, 10 sec, 1min, 10 min	Select by DIP switch
	3			3 sec, 30 sec, 3min, 30 min
	6			6 sec, 60 sec, 6min, 60 min
	3H			3 hrs, 6 hrs, 12 hrs, 24 hrs
Contact		4		4a4b
Power supply voltage			A20	200 - 230 V a.c
			D24	24 V d.c