Great Relay 508ax 120A Switching Capability Solar Relay for Photovoltatic Inverter

• Customization: Available
• Theory: Electromagnetic Relay
• Usage: PV Inverter
• Model NO.: GRT-508AX120A
• Phase: 1
• Electricity Type: Ac
• Number of Pole: 1
• Load: High Power Relay
• Protective Characteristics: Sealed Relay
• Action Principle: Electromagnetic Type
• Size: 50*41*43.8
• Type: Electric Parameter Relay
• Transport Package: Standard Carton Packing
• Trademark: Great Relay
• Origin: China
• HS Code: 85364110
• Production Capacity: 40000000PCS Per Year

Product Description

Characterisitcs:

120A contact switching capability.
Contact gap≥4mm.
Suitable for solar photovoltaic power generation inverter: APF/SVG
PCB mounting
Mechanical endurance : more than 1 mln times

Appearance	Shell Color		Black		Remark
contact	Contact Form		1H		Normally Open
	Contact Material		AgSnO2/AgNi
	Contact Resistance		≤1mΩ		Test according to voltammetry with 10A constant current
	Rated Load (Resistive)		connect 55A,carry 120A,        disconnect 55A , 800VAC
	Max. Switching Voltage		800VAC
	Max. Switching Current		120A
	Max. Switching Power		44000VA
	Note: The above values are initial values
coil	Rated Power		3 W		Note:(1)Coil holding voltage is the coil voltage applied to the coil over 100mS of rated voltagel;(2)The relay coil is not allowed to exceed the upper limit of the protection voltage for a long time to prevent the coil from overheating and burning out.
	Holiding Voltage		40%~100%∪n(ambient temp:25ºC) 50%~60%∪n(ambient temp: 85ºC)
coil specification	rate voltage    VDC	operating voltage   VDC	releasing voltage VDC	Max. voltage    VDC	coil resistance                                   Ω
	6	≤4.2	≥0.6	7.2	12 x (1±10%)
	9	≤6.3	≥0.9	10.8	27 x (1±10%)
	12	≤8.4	≥1.2	14.4	48 x (1±10%)
	24	≤16.8	≥2.4	28.8	192 x (1±10%)
	note::(1)the above values are initial values;(2)the max voltage is the max voltage which the relay coil can bear in a short time.
Performance Parameters	working temp		-40ºC~85ºC		apply holding force to coil
	coil temperautre rise		≤70K		contact load: 120A,50~60% rated voltage excitation,ambient temp: 85ºC
	operating(rated voltage)		≤30ms
	releasing(rated voltage)		≤10ms
	Humidity		5%-85%RH
	Mechanical Vibration		10~55HZ single amplitude  1.0mm double amplitude		After the test, there should be no loose structure or mechanical damage, and the state of the relay can't be changed.
	Mechanical Shock	Strength	980m/S2		After the test, there should be no loose structure or mechanical damage, and the state of the relay can't be changed.
		Stability	98m/S2
	Surge voltage ( between coil and contact)		10KV(1.2/50∪s)
	Insulation resistance		≥1000MΩ(500VDC)

Performance Parameters	Dielectric Strength	contact-contact	3000VAC 1min		No flashover, arcing or insulation breakdown is allowed during the dielectric withstand test. The leakage current shall not be greater than 1mA
		contact-coil	5000VAC 1min
	Heat and fire resistance		Class F
	Electrical Life		6×10³		connect 55A, carry 120A,disconnect 55A,800VAC, resistive load,85ºC,ON: 1s,OFF: 9s
	Mechanical Life		1x 10 ^6		The times of consecutive actions under no or light load conditions
	Mounting Method		PCB
	Weight		about 120g
	sealled structure		the flux type
	Note: The above values are initial values

 

Our Advantages

 

1. National high-tech enterprise.

2. Established provincial R&D center for latching relay.

3. Main products have passed CQC, VDT, TUV, UL and RoHS etc.

4. Focusing on the R&D of latchiing relay and current transformer for nearly 20 years.

5. One of the drafters of industrial staradard of "latching relay used in electrical energy meters"

 

Trade Show & Honor

 

Certificate

 

FAQ

Q: What are the application fields of your products?

A: Our products are mainly used in smart meter, smart home, load control, synchronous switch, leakage protection and other applications.

Q: Are you a manufacturer or a trade company?

A: We are the manufacturer, but we have our own international trade department. We have ability to sell our products to the buyers all over the world.

Q:Can you provide custom products?

A: Absolutely OK. Due to most of our products need to be customized. You can send us your drawing or requirements, our technical staff will assist you to develop the products.

Q: Which countries do you export to?

A: At present, our products are mainly exported to Denmark, Japan, Spain, South Korea, Ukraine, Russia and other countries.

Q: Do you have requirements for MOQ?

A: There is no limiteation for MOQ except  the special condition of your products. Our saleman will inform you in advance if there is MOQ exisiting.

Q: What kind of payment you can accept?

A:We accept TT , L/C, Western Union as payment methods.

Q: What kind of price term you can accept?

A: We accept FOB, CNF, CIF, FCA, DDP, EXW etc.

Q: Can you offer samples? Do we need to pay the sample fee?

A: As long as there is no specical requirements for the samples, we can offer at most 5~10pcs ( depends on specific model) free samples for testing. But you need to burden the shipping cost.