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 2. Contact Form 3. Terminal Shape 4. Special Function G 1: 1-pole A: SPST-NO (1a) None: 250 quick-connect/PCB coil terminals E: For long endurance 4 P : PCB terminals/PCB coil terminals A Ordering Information Characteristics Quick-connect/PCB coil terminals Contact resistance *1 100 m max. Operate time 20 ms max. Minimun 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 1,000 M min. Insulation resistance *2 (at 500 VDC) Minimun Contact form Load Contact Terminal Coil terminal Model Rated voltage packing unit Between coil 4,500 VAC 50/60 Hz for SPST-NO and contacts 1min PCB terminals PCB terminals G4A-1A-PE 12, 24 VDC 50 pcs/tray (1a) Dielectric Between strength contacts of 1,000 VAC 50/60 Hz for Note. When ordering, add the rated coil voltage to the model number. the same 1min Example: G4A-1A-E 12 VDC polarity Rated coil voltage Impulse Between coil 8.5 kV 1.2 x 50 withstand and contacts Ratings voltage 10 to 55 to 10 Hz, Destruction 0.75 mm single amplitude Coil (1.5 mm double amplitude) Vibration Item Must operate Must release Max. permissible Rated Coil resistance 10 to 55 to 10 Hz, voltage voltage voltage Power consumption Malfunction 0.75 mm single amplitude current resistance (V) (V) (V) (W) (mA) () (1.5 mm double amplitude) Rated voltage % of rated voltage 2 Destruction 1,000 m/s Shock 12 VDC 75 160 160% 70% max. 10% min. 0.9 2 resistance Malfunction 200 m/s 24 VDC 37.5 640 (at 23C) 2,000,000 operations min. Mechanical Note 1. The rated current and coil resistance are Motor Ratings (at 18,000 operations/hr) measured at a coil temperature of 23C 200,000 operations min. Switching Electrical with a tolerance of 10%. Durability Motor load Load conditions (ON/OFF: 1.5 s) frequency durability 2. The inductances shown above are 250 VAC: 30,000 operations min. reference values. Inverter load Inrush current: 80 A, (ON: 3 s, OFF: 5 s) ON: 1.5 s 200,000 3. Operating characteristics are measured at 0.3 s (cos= 0.7) OFF: 1.5 s operations Failure rate (P level) a coil temperature of 23C. Break current: 20 A 100 mA at 5 VDC (reference value *3) (cos = 0.9) 4. Max. permissible voltage refers to the Ambient operating -20C to 60C (with no icing maximum value in a varying range of Inverter Ratings temperature or condensation) operating power voltage, not a continuous Ambient operating humidity 5% to 85% voltage. Switching Electrical Load conditions Weight Approx. 23 g frequency durability Contacts 100 VAC: Note. The data given above are initial values. Inrush current: ON: 3 s 30,000 Contact type Single *1. Measurement conditions: 5 VDC, 1 A, voltage 200 A (0.P) OFF: 5 s operations drop method. Contact material Ag-Alloy (Cd free) Break current: 20 A *2. Measurement conditions: The insulation Rated carry 20 A resistance was measured with a 500 VDC current Overload Durability (Reference Value) megohmmeter at the same locations as the Max. switching dielectric strength was measured. 250 VAC Switching Electrical voltage Load conditions *3. This value was measured at a switching frequency durability Max. switching frequency of 120 operations/min. 20 A 250 VAC: current 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 (%)