Timer Relay Application

Adjustable Delay Timer Relay Details

Timing relays are arranged for an intentional delay in operating their contacts. A very short (a fraction of a second) delay would use a copper disk between the armature and moving blade assembly. Current flowing in the disk maintains magnetic field for a short time, lengthening release time. For a slightly longer (up to a minute) delay, a dashpot is used. A dashpot is a piston filled with fluid that is allowed to escape slowly; both air-filled and oil-filled dashpots are used. The time period can be varied by increasing or decreasing the flow rate. For longer time periods, a mechanical clockwork timer is installed. Relays may be arranged for a fixed timing period, or may be field adjustable, or remotely set from a control panel. Modern microprocessor-based timing relays provide precision timing over a great range.

Ordering Information

FAQ：

1: What’s the shipping way?
A: We usually send your goods by air express, such as DHL, UPS, TNT etc.

2: What’s your MOQ?
A: 1 CNT, 300pcs

3: How about your delivery ?
A: Our delivery is represented by a freight forwarding company that has been engaged for 15 years.

4: What is your best price for this product ?
A: The price is negotiable. It can change according to your quantity or package. When you are making an inquiry, please let us know the quantity you want.

We have standardized quality control system, each automotive relay have to passed 4 times 100% testing and twice snap check. We almost no complaint from customer in 3 years.

Relay packing

10pcs/tray, 600pcs/cartons, carton size:40*30*15cm， 48cartons a pallet

High-strength cartons, good for long-distance export transport

Characteristics

Models		TKB2B	TKB4B
Rated supply voltage		120VAC, 230VAC 50/60Hz; DC24V
Operating voltage range		Rated voltage 85-110% (90%-110% is DC12V)
Power consumption		3.5W
Max. output load		5A, 250 VAC (p.f.=1)	3A, 250 VAC (p.f.=1)
Min. output load		10 mA, 17 VDC
Repetitive error		±2% (FS max.)
Setting error		±5% (FS max.)
Voltage error		±2% (FS max.)
Temperature error		±2% (FS max.)
Resetting time		Min. time: 0.2 sec
Insulation resistance		100MΩ (DC500V)
Dielectric strength		Between current-carrying and Non-current-carrying parts 2000V 50/60Hz min
		Between control output terminals and operating circuit1500V 50/60Hz min
		Between contacts 1000V 50/60Hz min
Vibration resistance	Destruction	10~55Hz with 0.75mm single amplitude each in 3directions for 2 hours each
	Malfunction	10~55Hz with 0.5mm single amplitude each in 3 directions for 10 minutes each
Shock resistance	Destruction	30G
	Malfunction	10G
Ambient temperature		-10ºC~55ºC
Ambient humidity		35%~85%RH
Life expectancy	Mechanical	＞107 (under no load, at 1,800 operations/hour)
	Electrical	＞105
Weight		Approx. 60g

Up/Down Selectable Type

Adjustable Delay Timer Relay Dimensions (mm)