Omron Electronics G9KB-E High-Capacity PCB Power Relays

Omron Electronics G9KB-E High-Capacity PCB Power Relays are a high-capacity version of the G9KB series with increased opening and closing voltage ratings and increased current ratings. The power relays feature an 800V_DC maximum switching voltage and a 100A maximum switching current. The G9KB-E series is suitable for 15kW to 40kW class battery-related applications, including stationary power storage systems, uninterruptible power supplies (UPS), and electric vehicle (EV) quick chargers. Omron Electronics G9KB-E High-Capacity PCB Power Relays operate with low contact resistance and low coil power consumption in a 50.5mm x 37mm x 50.5mm package.

Features

High-capacity version of G9KB reference model
Improved opening and closing voltage
Improved current rating

UL 60947-4-1 certified
EN 61810-10 certified

Applications

Energy storage systems
V2X (V2H, V2B, etc.)

DC household appliances
EV chargers

Specifications

1a contact configuration
>3.6mm contact gap
≤5mΩ contact resistance
Maximum switching voltage
- 600V_DC (standard models)
- 800V_DC (high-capacity models)
Maximum rated switching current
- 50A (standard models)
- 100A (high-capacity models)
12V_DC or 24V_DC coil voltage ratings

3.4W maximum coil power consumption
Minimum electrical operations
- 6000 at 800V_DC, 18A
- 300 at 500V_DC, 100A
- 100 600V_DC, 100A
- 10 at 800V_DC, 50A
1M minimum mechanical operations
No main contact polarity
-40°C to +85°C operating temperature range
50.5mm x 37mm x 50.5mm dimensions