Overview
The
IMO Precision Controls UB10B2020A is a 20 Amp miniature circuit breaker designed to protect electrical installations from overloads and short circuits. This 2 pole B-Curve MCB is DIN rail mountable and rated for 10kA short circuit breaking capacity.20A2 Pole10kA
With UL 489 approval, thermo-magnetic overcurrent protection, and a contact position indicator, the UB10B2020A is ideal for branch circuit device protection in industrial control panels and electrical distribution systems.
⚡ Reliable Circuit Protection
B-Curve Trip: Ideal for circuits with low inrush currents.
Thermo-Magnetic Protection: Combines thermal overload protection with instantaneous magnetic tripping.
10kA Capacity: Provides high short circuit breaking performance for demanding applications.
Key Features
- 20 Amp rated current: dependable circuit protection
- 2 pole design: compact single-pole protection
- Contact position indicator: quick visual status confirmation
- DIN rail mountable: easy control panel installation
- Branch circuit protection: approved for device protection use
- UL 489 approved: recognized for industrial electrical applications
- RoHS compliant: meets environmental compliance requirements
✅ Built for Control Panels
The UB10B2020A protects wiring, devices, and electrical installations in
control panels, machinery, and distribution systems from overload and short circuit faults.
Applications
- Industrial control panels
- Branch circuit device protection
- Electrical distribution systems
- Machine control circuits
- Automation equipment protection
- Low inrush current circuits
Protection Features
- Thermal overload protection for sustained overcurrent conditions
- Instantaneous magnetic tripping for short circuit faults
- Contact position indicator for fast troubleshooting
- 10kA short circuit breaking capacity
- B-Curve trip response rated at 3-5 In
⚠️ Installation Information
Install on standard DIN rail inside a properly rated electrical enclosure.
Use wire sizes within the approved 18-3 AWG range.
Tighten terminals to the specified 2.5 Nm / 22.2 lb-in fastening torque.
Performance Benefits
- Helps prevent equipment damage from overloads and short circuits
- Supports fast fault isolation with magnetic trip protection
- Compact 32mm width
- Long service life with 20,000 mechanical operations
- Reliable protection for UL 489 branch circuit applications
IMO Precision Controls circuit breaker selection guide
