G5NB PCB Power Relay A Miniature Relay with 1-pole 3A Switching Capability and 10 kV Impulse Withstand Voltage Highly efficient magnetic circuit for high sensitivity (200 mW). Small, yet provides 10-kV impulse withstand voltage (between coil and contacts). Standard model conforms to UL/CSA/VDE standards. Satisfies EN61010 reinforced insulation requirements. RoHS Compliant Model Number Legend Application Examples Water heaters G5NB- - Refrigerators 12 3 4 Air conditioners 1. Number of Poles 3. Enclosure rating G Home appliances 5 1: 1-pole None:Flux protection Small electric appliances N 4 :Fully sealed 2. Contact Form B A: SPST-NO (1a) 4. Classification None:Standard E :High-capacity Ordering Information Item Minimum Enclosure rating Model Rated coil voltage Contact packing unit Classification form Flux protection G5NB-1A Standard Fully sealed G5NB-1A4 SPST-NO 5, 12, 18, 24 VDC 100 pcs/Tray (1a) Flux protection G5NB-1A-E High-capacity Fully sealed G5NB-1A4-E Note. When ordering, add the rated coil voltage to the model number. Example: G5NB-1A 5 VDC Rated coil voltage Ratings Coil Item Must operate voltage Must release voltage Max. voltage Rated current Coil resistance Power consumption (V) (V) (V) (mA) () (mW) Rated voltage % of rated voltage 5 VDC 40 125 12 VDC 16.7 720 180% 75% max. 10% min. Approx. 200 (at 23C) 18 VDC 11.1 1,620 24 VDC 8.3 2,880 Note 1. The rated current and coil resistance are measured at a coil temperature of 23C with a tolerance of 10%. Note 2. The operating characteristics are measured at a coil temperature of 23C. Note 3. The Max. voltage is the maximum voltage that can be applied to the relay coil. Contacts Resistive load Item Load Standard High-capacity Contact Type Single Contact material Ag-alloy (Cd free) 3 A at 125 VAC 5 A at 250 VAC Rated load 3 A at 30 VDC 3 A at 30 VDC Rated carry current 3 A 5 A Max. switching voltage 250 VAC, 30 VDC Max. switching current 3 A 5 A 1G5NB PCB Power Relay Characteristics Actual Load Life (Reference Values) 1. 120 VAC motor and lamp load Contact resistance *1 100 m max. Operate time 10 ms max. 2.5A surge and 0.5A normal: Release time 10 ms max. 250,000 operations min. (at 23C) Insulation resistance *2 1,000 M min. (at 500 VDC) 2. 160 VDC valve load (with varistor) Between coil 4,000 VAC, 50/60 Hz for 1 min and contacts 0.24A: Dielectric Between strength 250,000 operations min. (at 23C) contacts of the 750 VAC, 50/60 Hz for 1 min same polarity Impulse Between coil withstand 10 kV (1.2 x 50 s) and contacts voltage 10 to 55 to 10 Hz, 0.75 mm single amplitude Destruction Vibration (1.5 mm double amplitude) resistance 10 to 55 to 10 Hz, 0.75 mm single amplitude Malfunction (1.5 mm double amplitude) 2 Destruction 1,000 m/s Shock 2 resistance Malfunction 100 m/s Mechanical 5,000,000 operations min. Standard (G5NB-1A, -1A4) 200,000 operations at 125 VAC, 3A 200,000 operations at 30 VDC, 3A Durability Electrical High-capacity (G5NB-1A-E, -1A4-E) (resistive load) 100,000 operations at 250 VAC, 5A 200,000 operations at 30 VDC, 3A (with a rated load at 1,800 operations/hour) Failure rate (P level) DC5V 10mA G (reference value) *3 5 Ambient operating -40C to 70C N temperature (with no icing or condensation) B Ambient operating humidity 5% to 85% Weight Approx. 4 g Note. The data shown above are initial value. *1. Measurement conditions: 5 VDC, 1 A, voltage drop method *2. Measurement conditions: Measured at the same points as the dielectric strength using a 500 VDC ohmmeter. *3. This value was measured at a switching frequency of 120 operations/min. Engineering Data Maximum Switching Capacity Standard models High-capacity models 10 AC resistive load 3 AC resistive DC resistive DC resistive load load load 1 Contact Contact resistance resistance 0.1 1 10 30 100 250 1,000 Contact voltage (V) Switching voltage (V) 2 Switching current (A) Switching current (A)