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G4A
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G4A

  • Category:Relays
  • Product Name:A 1-pole small power relay that realizes 80A energization, power-on, and 20A cut-off
  • Manufacturers:OMRON Omron
  • Production Batch Number:10+11+
  • Encapsulation:DIP
  • Stock Status:There is stock
  • Stock Quantity:900
  • Minimum order quantity: 1
  • Details:Click here to find a pdf of G4A
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  • Product introduction

 

G4A
Power relays

 

 

Realize 80A power-on, energized, and cut-off 20A
1 extremely small power relay
  The features of Omron Power Relay G4A are as follows
● Realize the opening and closing of the motor load of 80A on power, power on, and cut off 20A.
Small but capable of high-capacity opening and closing, high durability.
● Comply with UL and CSA air conditioning specifications to ensure insulation distance.
● It adopts high insulation structure with strong anti-interference.
● The standard product adopts flux resistant structure.

 

class

● Dual-purpose type of lug terminal and printed substrate terminal
Contact composition Load contact terminals Coil terminals Model Coil rated voltage(V) Minimum packing unit
1a #250 Terminals for printing substrates G4A-1A-E DC12 50 pcs/pallet
DC24
● Terminal type for printed substrate terminals
Contact composition Load contact terminals Coil terminals Model Coil rated voltage(V) Minimum packing unit
1a Terminals for printing substrates Terminals for printing substrates G4A-1A-PE DC12 50 pcs/pallet
DC24

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rating

● Operating the coil
project
Rated voltage(V)
Rated current
(mA)		 Coil resistance
(Ω)		 Inductance (H) Operating voltage
(V)		 Reset voltage
(V)		 Maximum allowable voltage
(V)		 Power consumption
(W)
Pieces of iron
When open		 Pieces of iron
When moving
DC 12 75 160 0.8 1.1 70％
hereinafter		 10% or more 160％
（at23℃）		 0.9
24 37.5 640 3.5 4.8
Note.1.The values of rated current and coil resistance refer to the values at +23°C with a tolerance of ±10%.
2. Inductance reference value
3. The operating characteristics refer to the value when the coil temperature is +23°C.
4. The maximum allowable voltage is the maximum value of the voltage that the relay coil can apply.
● Switch part (contact part)
Contact institutions single
Contact material Ag alloy (Cd-free material)
Rated power-on current 20A
The maximum value of the contact voltage AC250V
The maximum value of the contact current 20A
Switching capacity
Maximum value (reference value)		 5,000VA
● Motor rating
Load conditions Switching frequency Electrical life
AC250V
Achieve 80A, 0.3s
cosφ=0.7
Cut off 20A
cosφ=0.9		 ON：1.5s
OFF：1.5s		 200,000 times
Inverter rating
Load conditions Switching frequency Electrical life
AC100V
Achieve 200A
(Peak)
Cut off 20A		 ON：3s
OFF：5s		 30,000 times
Load life (reference value)
Load conditions Switching frequency Electrical life
AC250V
Achieve 80A
Cut off 80A
cosφ=0.7		 ON：1.5s
OFF：99s		 1,500 times

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performance

Contact resistance*1 100mΩ or less
Action time 20ms or less
Reset time 10ms or less
Maximum switch
frequency		 machine 18,000 times/h
Insulation resistance*2 1,000MΩ or more
(DC500V megohmmeter)
Withstand pressure Between coil and contact AC4,500V 50/60Hz 1min
Between the same pole contact AC1,000V 50/60Hz 1min
Resistant to impulse voltage Coil with
Between contacts		 8.5kV 1.2×50
vibration durable 10～55～10Hz
Single amplitude 0.75mm (dual amplitude 1.5mm)
Misoperation 10～55～10Hz
Single amplitude 0.75mm (dual amplitude 1.5mm)
impact durable 1,000m/s2
Misoperation 200m/s2
life span machine More than 2 million times
(Switching frequency 18,000 times/h)
Motor load More than 200,000 times
(Switching frequency 1.5sON, 1.5sOFF)
Inverter load More than 30,000 times
(Switching frequency 3sON, 5sOFF)
Failure rate P level
(Reference value *3)		 DC5V 100mA
Use ambient temperature -20～+60℃
(No icing, no condensation)
Use ambient humidity 5～85％RH
weight Approx. 23g
Concentrate. The above values are initial.
*1. Measurement conditions: according to the voltage drop method, under the condition of DC5V 1A.
*2. Measurement conditions: measured with DC500V megohmmeter, the position is the same as when measuring withstand voltage.
*3. This value isswitchThe value at a frequency of 120 times/min.

Form factor

Lug terminals (%S250), printed substrate terminals dual-purpose type
G4A-1A-E
G4A: Form factor 1
Mounting hole machining dimensions (BOTTOM VIEW)
G4A: Form factor 2 		Terminal configuration/internal connection diagram
（TOP VIEW）(BOTTOM VIEW)
G4A: Form factor 3 
(Wireless circle polarity)

Printed substrate terminals
G4A-1A-PE
G4A: Form factor 4
Mounting hole machining dimensions (BOTTOM VIEW)
G4A: Form factor 5 		Terminal configuration/internal connection diagram (BOTTOM VIEW)
G4A: Form factor 6
(Wireless circle polarity)

andG4ARelated ICs are:


Model Manufacturers lot number encapsulation illustrate
G2RL-1A-E OMRON Omron 10+11+ DIP High capacity power relays
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G4A-1A-PE OMRON Omron 10+ DIP A 1-pole small power relay that realizes 80A energization, power-on, and 20A cut-off
G4A-1A-E OMRON Omron 10+11+ DIP A 1-pole small power relay that realizes 80A energization, power-on, and 20A cut-off
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