Technical Parameters
General
Product Type: Auxiliary Contact Block
Model: OA1G10
Configuration: 1 × Normally Open (NO) contact
Accessory Type: Auxiliary contact for control and indication circuits
Mounting: Snap‑on or side mounting accessory
Electrical Ratings
Rated Operational Voltage (Ur): Up to 690 V
Insulation Voltage (Ui): 690 V
Thermal Current (Ith): 16 A free‑air (ambient)
Rated Contact Current: Typical control‑circuit rating compatible with industrial switchgear (up to ~16 A)
Contact Type: Single‑pole auxiliary contact (switching contact only)
Mechanical & Physical
Contact Blocks: 1 normally open contact
Terminal Type: Screw termination or compatible connector interface
Construction: Compact, block‑style accessory
Weight: Approx. 0.015 kg
External Dimensions: Approx. 11 mm (width) × 37 mm (height) × 21 mm (depth)
Environmental
Ambient Operating Temperature: Typical industrial range (approx. −25 °C to +70 °C)
Pollution Degree: Industrial environments
Protection Rating: Auxiliary terminals rated to IP20 (when installed in panel)
Applications
Status feedback for disconnect switches and contactors
Control circuit signaling in automation panels
Auxiliary switching for industrial machinery and electrical systems
Integration with motor control centers and switchboards
Key Features
Single NO auxiliary contact for control signal extension
Compact design for space‑saving panel layouts
Wide voltage range up to 690 V for versatile use
Easy mounting on compatible ABB switchgear and accessories
Broad application scope in industrial control systems
The ABB OA1G10 is a compact auxiliary contact block designed to provide an additional normally open (NO) contact for industrial control devices such as disconnect switches, contactors, and motor starters. It is part of ABB’s range of auxiliary accessories used to extend the functionality of control and protection equipment by offering reliable status feedback or control switching functions.