DY-20C 20D Series voltage relay

Setting voltage:
Over-pressure: 60V 200V 400V
Low pressure: 48V 160V 320V
Return coefficient: over pressure ≥0.85 low pressure ≤1.25
Contact capacity :DC40WAC200VA
Contact form: move in, move out, move in
Break, two action close, two action break
Opening size :81.5×55.5mm
Operation time :1.2 times ≤0.15s3 times ≤0.03s
Low pressure 0.5 times ≤0.15s
Installation mode: JK-1, JK-1Q shell

Main technical parameter

Type	Model	Maximum setting voltage	The rated voltage		Long term allowable voltage		Voltage setting range	Action voltage		Power consumption (at minimum setting value)	Return to the coefficient
Type	Model	Maximum setting voltage	Coil in parallel	Coil in series	Coil in parallel	Coil in series	Voltage setting range	Coil in parallel	Coil in series	Power consumption (at minimum setting value)	Return to the coefficient
Over-voltage	DY- 21 C, D DY- 22 C, D DY- 23 C, D DY- 24 C, D DY- 25 C, D	60	30	60	35	70	15-60	15-30	30-60	1	0 . 8
		200	100	200	110	220	50-200	50-100	100-200
		400	200	400	220	440	100-400	100-200	200-400
Low voltage	DY- 26 C, D DY- 27 C, D DY- 28 C, D DY- 29 C, D	48	30	60	35	70	12-48	12-48	24-48		1.25
		160	100	200	110	220	40-160	40-160	80-160
		320	200	400	220	440	80-320	80-160	160-320
Over-voltage	DY-21 C-25C / 60 C DY-21 D-25D / 60 C	60	100	200	110	220	15-60	15-30	30-60	2.5	0.8

Operation time: when the over voltage relay is set at 1.2 times, the operation time shall not be greater than 0.12s;When the low voltage relay is set at 0.5 times, the operation time shall not be greater than 0.15s.
Contact capacity: In the dc inductive load with voltage no more than 250V, current no more than 5A, and time constant 5+0.75ms, the disconnect capacity of product output contact is 50W.The output contact can reliably operate and return 5x10 times under the above specified load conditions.The output contact is allowed to be switched on for a long time with 5A.
Dielectric strength: all conductive terminals of the product are connected together, and can withstand 2000V (effective value) 50Hz alternating current between exposed non-charged metal parts or shells
The pressure lasted for 1 minute test without insulation breakdown or flash over.
Contact forms: 1 dynamic closing, 1 dynamic breaking, 1 dynamic closing, 1 dynamic breaking, 2 dynamic closing, 2 dynamic breaking.

Internal wiring dy 20c 20dxldyjdq 2

Internal wiring diagram of DY-20C,20D series voltage relay dy 20c 20dxldyjdq 3

注：过（低）电压继电器各种规格有非整流式的（DY-20C)和整流式的（DY-20D) ，任用户选用。

Dimensions and opening dimensions

Note: Various specifications of over (low) voltage relay include non-rectifying type (DY-20C) and rectifying type (DY-20D), which are optional for users.

dy 20c 20dxldyjdq 04

DY-20C 20D Series voltage relay

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