Overview
The Cutler-Hammer A10BN0 is a Series A1 NEMA Size 0 non-reversing AC magnetic motor starter designed for three-phase industrial control. Manufactured by Eaton, this discontinued-by-manufacturer starter is engineered to handle motor loads up to 5 horsepower at 460/575V and is rated 18 amperes at 600 volts. The unit is built for durable, long-cycle operation in factory and commercial environments.
Key Features
- NEMA Size 0 open-type construction with 3-pole, 3-phase design
- 18-ampere rating at 600V for reliable motor control
- Series A1 Citation platform—industry-standard architecture
- Full voltage non-reversing starter (FVNR)
- AC magnetic coil operation (standard 120V AC 60Hz / 110V AC 50Hz coil)
- Lightweight and compact for panel mounting
Technical Specifications
- Manufacturer: Eaton Cutler-Hammer
- Part Number: A10BN0
- Series: A1
- Type: Motor Starter (Non-Reversing)
- NEMA Size: 0
- Phase: 3-Phase
- Current Rating: 18 Amperes
- Voltage Rating: 600V
- Horsepower: 5 HP @ 460/575V
- Poles: 3
- Control Coil: 120V AC 60Hz / 110V AC 50Hz (standard)
- Weight: 3.40 lbs
- Construction: Open Type
- Status: Discontinued by Manufacturer
Typical Applications
The A10BN0 is commonly used in:
- Industrial pump and fan motor control
- Compressed air system motor starters
- Conveyor and material handling equipment
- HVAC and heating/cooling equipment
- Small to mid-range three-phase motor applications
- Panel-mounted motor control systems
Compatibility & Replacements
Compatible With
- Standard NEMA Size 0 overload relay configurations
- Eaton Cutler-Hammer contact blocks and auxiliary devices
- AC control coil systems rated 120V/110V 50–60Hz
- Three-phase 480V, 575V, and 600V power systems
- Industrial motor control panels and enclosures
Replaces / Drop-In Replacement For
- A10BN0 /A1 (exact model)
- A10BNOA (Series A1 variant with overload relay)
- Similar Eaton Cutler-Hammer Size 0 non-reversing starters with matching coil specifications
- Verify compatibility with your system integrator before ordering for mission-critical applications.
Works With
- Eaton Cutler-Hammer overload relays (melting alloy and electronic types)
- NEMA-standard auxiliary contact blocks
- AC magnetic control circuits and relay logic
- Industrial motor control software and diagnostic tools for legacy systems










