NOARK A40R 4000A Power Circuit Breaker - UL 1066 Certified; 85kA@480VAC; 4-Pole Drawout
Noark
$38,576.11
TARIFF SURCHARGE INCLUDED
NOARK A40R Power Circuit Breaker is a high-capacity; low-voltage AC power circuit breaker designed for industrial power distribution and protection applications. The A40R series delivers reliable performance with a 4000A frame rating and 85kA interrupting capacity at 480VAC. This 4-pole drawout-type breaker features vertical connection configuration and is UL 1066 certified; meeting ANSI C37.13; C37.16; C37.17; and C37.50 standards for demanding electrical systems.
Key Specifications
- Frame Rating: 4000A
- Interrupting Rating: 85kA at 480VAC
- Configuration: 4-Pole (4P)
- Type: Drawout with Vertical Connection
- Certifications: UL 1066; ANSI C37.13; C37.16; C37.17; C37.50
- Mechanical Cycles: 10;000 before maintenance
- Electrical Cycles: 4;000 cycles @ 480VAC before maintenance
- Operating Frequency: 50 or 60 Hz
- Stored Energy Operating Mechanism
- Optional Features: LED/LCD displays; multi-metering trip unit with harmonic distortion analysis; motor operators; shunt trip; undervoltage release; arc flash reduction maintenance mode
- Communication: RS-485 Modbus option available
Documentation
Associated Components
| Part Number | Description |
|---|---|
| VCM10 | Voltage Conversion Module for high voltage protections |
| NCT12N | Neutral CT for ground fault protection |
| RCT-1800 | Ground fault protection current transformer |
| ELM10 | Arc Flash Reduction Maintenance Mode Switch |
| Motor Operator Kit | AC and DC rated motor operator for remote operation |