G4A PCB Power Relay Miniature Single-pole Relay with 80A Surge Current and 20A Switching Current Capable of Switching Motor Load of 80-A Surge Current and 20A Switching/Cut-off Current Miniature, relay with high switching power and long endurance. Creepage distance conforms to UL and CSA standards. Highly noise-resistive insulation materials employed. Standard model available with flux protection construction. RoHS Compliant Model Number Legend Application Examples Air conditioner G4A- - - 12 3 4 1. Number of Poles 3. Terminal Shape 4. Special Function 1: 1-pole None : 250 quick-connect/ E: For long endurance PCB coil terminals G 2. Contact Form P : PCB terminals/ 4 A: SPST-NO (1a) PCB coil terminals A Ordering Information Characteristics Quick-connect/PCB coil terminals Contact resistance *1 100 m max. Operate time 20 ms max. Minimum Contact form Load Contact Terminal Coil terminal Model Rated voltage packing unit Release time 10 ms max. SPST-NO 250 quick-connect Max. PCB terminals G4A-1A-E 12, 24 VDC 50 pcs/tray (1a) terminals operating Mechanical 18,000 operations/hr frequency PCB terminals Insulation resistance *2 1,000 M min. Minimum Between coil 4,500 VAC 50/60 Hz for Contact form Load Contact Terminal Coil terminal Model Rated voltage packing unit and contacts 1min SPST-NO Dielectric PCB terminals PCB terminals G4A-1A-PE 12, 24 VDC 50 pcs/tray Between (1a) strength contacts of 1,000 VAC 50/60 Hz for the same 1min Note. When ordering, add the rated coil voltage to the model number. polarity Example: G4A-1A-E DC12 Impulse Rated coil voltage Between coil withstand 8.5 kV (1.2 x 50 s) However, the notation of the coil voltage on the product case as well as on the packing will be marked and contacts voltage as VDC. Insulation Between coil Clearance: 3.2 mm, distance and contacts Creepage: 6.4 mm Ratings 10 to 55 to 10 Hz, Destruction 0.75 mm single amplitude (1.5 mm double amplitude) Vibration Coil resistance 10 to 55 to 10 Hz, Item Must operate voltage Must release voltage Max. permissible voltage Rated Coil Malfunction 0.75 mm single amplitude Power consumption (V) (V) (V) current resistance (1.5 mm double amplitude) (W) Rated voltage (mA) () % of rated voltage 2 Destruction 1,000 m/s Shock 12 VDC 75 160 160% 2 resistance Malfunction 200 m/s 70% max. 10% min. 0.9 24 VDC 37.5 640 (at 23C) 2,000,000 operations min. Mechanical Note 1. The rated current and coil resistance are (at 18,000 operations/hr) Motor Ratings measured at a coil temperature of 23C Resistive 100,000 operations min. with a tolerance of 10%. Switching Electrical load (ON/OFF: 1 s) Load conditions Durability 2. The inductances shown above are frequency durability 200,000 operations min. reference values. Motor load 250 VAC: (ON/OFF: 1.5 s) 3. Operating characteristics are measured at Inrush current: 80 A, ON: 1.5 s 200,000 30,000 operations min. a coil temperature of 23C. 0.3 s (cos= 0.7) Inverter load OFF: 1.5 s operations (ON: 3 s, OFF: 5 s) 4. Max. permissible voltage refers to the Break current: 20 A Failure rate (P level) maximum value in a varying range of (cos = 0.9) 100 mA at 5 VDC (reference value *3) operating power voltage, not a continuous Inverter Ratings voltage. Ambient operating -20C to 60C (with no icing temperature or condensation) Switching Electrical Contacts Load conditions Ambient operating humidity 5% to 85% frequency durability Load 100 VAC: Weight Approx. 23 g Resistive load Inrush current: ON: 3 s 30,000 Note. The data given above are initial values. Item 200 A (0.P) OFF: 5 s operations *1. Measurement conditions: 5 VDC, 1 A, voltage Break current: 20 A Contact type Single drop method. Contact material Ag-Alloy (Cd free) *2. Measurement conditions: The insulation Overload Durability (Reference Value) resistance was measured with a 500 VDC Rated load 20 A at 250 VAC megohmmeter at the same locations as the Switching Electrical Rated carry current 20 A Load conditions dielectric strength was measured. frequency durability Max. switching voltage 250 VAC *3. This value was measured at a switching 250 VAC: frequency of 120 operations/min. Max. switching current 20 A Inrush current: 80 A ON: 1.5 s 1,500 Break current: 80 A OFF: 99 s operations (cos = 0.7) 1G4A PCB Power Relay Engineering Data Maximum Switching Capacity Durability Ambient Temperature vs. G4A-1A-(P)E G4A-1A-(P)E Maximum Coil Voltage G4A-1A-(P)E 100 100 180 70 90 50 160 80 30 70 AC load 140 250 VAC resistive load 60 10 50 120 7 40 5 100 30 3 20 80 10 1 0 1 3 5 10 30 50 100 300 500 1,000 0 5 10 15 20 25 -25 0 10 20 30 40 50 60 70 80 Switching voltage (V) Switching current (A) Ambient temperature (C) Note. The maximum coil voltage is the maximum Ambient Temperature vs. Must Shock Malfunction voltage that can be applied to the relay coil. Operate and Must Release Voltages G4A-1A-(P)E G4A-1A-(P)E Number of Relays: 5 pcs Y 100 1,000 Sample: Must Operating voltage G4A-1A-E DC12V Must Recovery voltage 800 Number of Relays: 5 pcs 1,000 1,000 80 600 X Z G 400 4 200 60 A Test conditions: Shock is applied in X, Y, Z 200 directions three times each with 40 400 Shock direction and without energizing the Relays Z X 600 X to check the number of 1,000 1,000 X malfunctions. 20 800 Y 2 Requirement: 200 m/s contact A Z 1,000 2 Y Unit: m/s Z Y 0 -60 -40 -20 0 20 40 60 80 100 Ambient temperature (C) Dimensions Mounting Holes 30.5 max. 250 quick-connect/PCB coil terminals (30.1)* (Bottom View) G4A-1A-E +0.1 Four, 1.8 dia. 0 16 max. (15.7)* 6.250.1 0.1 5.75 0.8 0.8 0.05 6.35 12 220.1 8 0.1 27.6 Terminal Arrangement/Internal Connections 3.4 (Top View) (Bottom View) 2 23.5 max. (23.3)* 4 3 3 1 12 0.3 1.5 1.5 4 3.5 0.8 * Average value Tab Terminal PCB Terminal (No coil polarity) PCB Mounting Holes 30.5 max. Straight PCB/PCB coil terminals (30.1)* (Bottom View) +0.1 G4A-1A-PE Four, 1.8 dia. 0 16 max. 9.4 (15.7)* 0.1 6.25 5.750.1 120.05 0.1 22 0.1 27.6 Terminal Arrangement/ Internal Connections 26.8 max. 23.3 (26.5)* (Bottom View) 4 3 1 12 0.3 1.5 1.5 3.5 0.8 * Average value (No coil polarity) 2 Switching current (A) Must operate and must release voltage (ratio of rated voltage) (%) 4 Durability (x 10 operations) Maximum coil voltage (%)