UL, RoHS & Reach Compliant 32A 40A 12VDC Single Pole Spst Power Relay

• Customization: Available
• Theory: Electromagnetic Relay
• Usage: Lathe Relay, Stabilizer
• Model NO.: WJ172
• Phase: 1
• Electricity Type: Dc
• Number of Pole: 1
• Load: High Power Relay
• Protective Characteristics: Sealed Relay
• Action Principle: Electromagnetic Type
• Size: Miniature
• Type: Electric Parameter Relay
• Product Name: High Accuracy Jqx-29f 40A Relay
• Part Number: Wj172
• Max Current: 40A
• Contact Arangement: 1A,1b,1c/ No, Nc, Transfer
• Contact Capacity: 28VDC,250VAC
• Coil Voltage: 6~220VDC,6~240VAC
• Color: Black
• Contact Material: Agsno2
• Weight: 90g
• Mounting Method: PCB
• Transport Package: 200PCS in 1 Carton
• Specification: 41*33*47.5mm
• Trademark: wanjia star
• Origin: Zhejiang, China
• HS Code: 8536411000
• Production Capacity: 5, 000, 000.00/ Year

Product Description

UL, RoHS & Reach Compliant 32A 40A 250VAC 12VDC Single Pole Spst Electric Power Relay for EV Charger & water heaters
Product Description
1. Basic Info:
Model NO: WJ172
Usage: Household Appliances, Automation Systems, Electronic Equipment, etc
Electricity Type: AC, DC
Action Principle:Electromagnetic Type
Trade mark: Wan Jia Star
Phase:1
Number of Pole:1
Protective Characteristics: Sealed Relay
Outline Dimension: 41.0x32.0x50.0mm

Main Parameter
Contact Type	1A,1B,1C
Contact Material	Silver Alloy
Contact Resistance	Max.50mΩ
Rated Load	40A 250VAC
	40A 28VDC
Max. Switching Voltage	28VDC/250VAC
Max. Switching Current	40A
Max. Switching Power	1120W/10000VA
Electrical Life	2×10^4
Mechanical Life	1×10^7
Coil Voltage	6~220VDC
Coil Power Consumption	3.0W

Other Parameters
Movement Time			Max.20ms
Release Time			Max.20ms
Starting Resistance	Coil Contacts		2000VAC,(50/60Hz),1 min.
	Open Contacts		1500VAC,(50/60Hz),1 min.
Insulation Resistance			Min. 1000MΩ (500 VDC)
Environment Temperature			-40ºC~+55ºC
Operation Humidity			45%~85% RH
Shock Resistance		Functional	Min. 10G
		Destructive	Min. 100G
Anti-vibration		Functional	1.5mm(DA)10~55 Hz
		Destructive	1.5mm(DA)10~55 Hz
Weight			≈90g

FAQ

Q: 1. How do you control the quality of the products?
A: Automatic inspection machine and manual test together before packing. (During the automatic inspection, there are different machines for each link to detect)

Q:2. What is your payment term?
A: We usually accept T/T, Paypal, and L/C (if you need other payment methods, we can also do it.)

Q:3. Will you accept the use of our logo?
A: If you have a good quantity, we can do OEM for you. (The power relay itself is a standard part, and the mark is OK if you have special requirements when purchasing)

Q:4. Can I take samples for reference?
A: We provide free samples for testing.

Q:5.What is your delivery time?
A: Usually it takes 7-15 working days for production and 15-20 working days for large quantities. (We have stock in small batches, and the order will be shipped)

Q:6. How long is your product warranty period?
Answer: 12-24 months

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             Cautions of Power Relay:
 

               1.Suggestions of Plastic Anti-dust Cover

               We highly recommend cover :
               (1)When the ambient humidity is ≥ 60% (for example refrigerator or some country like Indian), the metal parts of relay will be weakened in different degrees
               due to long-term exposure to the outdoors in terms of electrical conductivity and service life.
               (2)When the dust density is high in the environment, all kinds of impurities carried in the dust (such as gravel), if gravel is embedded between contacts.
               Firstly, it will affect the normal opening and closing of contacts;Secondly, part of the silicon oxide can be used as a semiconductor to conduct electricity,
               and then the relay's on and off will fail if no anti-dust cover.
              (3)When corrosive gases are serious in the environment, it will accelerate the metal aging, greatly affecting the service life of electrical relays.
               * When none of the above situations exists, the plastic anti-dust cover is not necessary due to extra cost.

              2.Suggestions of Contacts
              (1)We should pay attention to prevent contact movement, adhesion, abnormal consumption, increase of contact resistance and other fault phenomena while using.

              (2)The material of power relay can be AgCd010,AgSn08,AgSnOlnO etc.Wanjia star brand relay adopted AgSnO²  with high quality & stable performance.  
              (3)The mechanical service life and electrical service life can be main factor too

              * In a word, good device need good relay to low the repairing rates and improve the endurance.