The Eaton/Heinemann Electric AM3-A3-A-0060-03E is a 3-pole hydraulic-magnetic circuit breaker rated for 60 A, delivering overcurrent protection across AC and DC systems with interrupting capacities of 1000 A at 250 V AC and 5000 A at 65 V DC. The AM3 series employs hydraulic-magnetic tripping with series trip architecture, available in time-delay or instantaneous configurations to match protection requirements for industrial and electronic equipment.
## Technical Specifications
**Electrical Performance**
• Current rating: 60 A
• Voltage rating (AC): 250 V at 50/60 Hz
• Voltage rating (DC): 65 V dc
• Interrupting capacity: 1000 A at 250 V AC; 5000 A at 65 V DC
• Tripping mechanism: Hydraulic-magnetic with time-delay or instantaneous options
• Insulation resistance: 100 MΩ minimum at 500 V DC per MIL-STD-202 Method 302
• Dielectric strength: 1500 V at 50/60 Hz or 400 Hz; 1100 V DC
**Environmental and Mechanical**
• Operating temperature range: −40°C to +85°C
• Shock rating: 100 G at 6 milliseconds per MIL-STD-202 Method 213 Condition I (time-delay models)
• Vibration endurance: 10 to 500 Hz, 0.06″ total excursion per MIL-STD-202 Method 204 (time-delay models)
• Mechanical endurance: 10,000 on/off operations (6,000 at rated conditions; 4,000 no load)
• Weight: 9.5 oz
**Environmental Qualification**
• Fungus- and moisture-resistant treatment per MIL-C-55629
• Salt-spray resistance tested per MIL-STD-202 Method 101
• Humidity tested per MIL-STD-202 Method 103 Condition A
• Flammability: UL 94-VO, UL 94-HB
## Key Features
• 3-pole configuration for three-phase or multi-circuit protection
• Dual voltage platform: 250 V AC (50/60 Hz) and 65 V DC operation
• High interrupting capacity for industrial branch circuits
• Adjustable tripping characteristic (time-delay or instantaneous)
• Wide operating temperature span suitable for harsh environments
• Series trip internal circuit design
## Certifications and Standards
• UL 1077 Recognized (appliance protection)
• UL 489 Listed (branch circuit breaker)
• CSA Certified
• IEC 380, IEC 435, IEC 601 compliant
• VDE-0730, VDE-0750, VDE-0804, VDE-0806 conformance
