NOARK Electric's A40 Power Circuit Breakers, available with ratings up to 4000 amps, are designed to interrupt up to 100 kA at 635V and 85 kA at 847V.
These circuit breakers are UL Listed and CSA Certified, making them a standardized solution for OEMs globally. They cater to applications in data centers, standby power systems, industrial setups, healthcare facilities, and commercial environments.
Wide Features and Compliance
The A40 circuit breakers include a diverse array of trip units, accessories, and communication options
The A40 circuit breakers include a diverse array of trip units, accessories, and communication options, conforming to ANSI C37 standards and UL 1066 certification.
They play a crucial role in protecting electrical circuits by automatically interrupting the flow of current during overcurrent events, thus preventing potential fires and equipment damage.
Diverse Options for Varied Needs
NOARK offers a wide voltage range from 254Vac to 847Vac and supports both 50 and 60 Hz operation.
The A40 series is available in three-pole and four-pole designs, enduring up to 10,000 mechanical cycles and thousands of electrical cycles before requiring maintenance. The breakers meet ANSI C37 standards ensuring robustness and reliability.
Protection and Control Adaptability
Understanding that each project has unique requirements, NOARK provides multiple protection and control options for its A40 breakers. Customers can choose from LI, LSI, or LSIG protections alongside LED and LCD displays.
Additional features include multi-metering trip units, shunt trip accessories, and RS-485 Modbus communication options, all tailored to enhance safety and monitoring.
Regulatory Approvals and Reliability
This dedication to quality assures the safety and effectiveness of the breakers
Every component of the A40 circuit breakers is designed to exceed relevant approval standards, including UL 1066 and ANSI standards for both trip systems and low-voltage power circuit breakers.
This dedication to quality assures the safety and effectiveness of the breakers.
Design Innovations for Enhanced Application
NOARK's innovative design features ensure reliability in electrical systems. The A40 series includes compact sizes with the option for phase barriers and is available in both 3P and 4P designs. Accessories are UL field-installable, and the breakers can also be used as disconnect switches if required.
These features make NOARK Electric's A40 Power Circuit Breakers a dependable choice for circuit protection. For those interested in exploring the full range of options, additional information can be found in the Circuit Protection Catalog.
NOARK Electric’s A40 Power Circuit Breakers are available up to 4000 amps and are capable of interrupting ratings up to 100 kA at 635V and 85 kA at 847V. UL Listed and CSA Certified, the A40 family of products provides design standardization for OEM’s no matter where they do business.
A40 breakers offer a broad range of available trip units, accessories, and communications options. They are the ideal OEM solution for low-voltage switchgear and customized power distribution assemblies used in Data Centers, Standby Power, Industrial, Healthcare, and Commercial applications.
NOARK’s A40 Power Circuit Breakers
NOARK’s A40 Power Circuit Breakers and the accessories conform with ANSI C37.13, C37.16, C37.17, and C37.50 standards and are UL 1066 certified.
Circuit breakers are essential electrical safety devices that are designed to protect electrical circuits from damage caused by overcurrent. Their main function is to interrupt the flow of current to protect equipment from overcurrent faults and prevent the risk of fire or loss of property.
Customers need a reliable way to prevent electrical overload or damage to their electrical systems, and NOARK’s A40 Power Circuit Breakers do just that. They are designed to protect cables and downstream equipment, including feeders and electrical loads. They act as automatic switches that trip or open when they detect a surge or excess current flowing through a circuit.
NOARK Electric’s A40 Power Circuit Breaker Ratings
NOARK’s A40 Power Circuit Breakers can be ordered in a variety of different ratings, each offering the ideal qualities to suit the application. Some of the features include:
- Wide voltage range – 254Vac to 847Vac.
- 4000A.
- Interrupting ratings up to 100kA at 635V.
- Short-Time Withstand, 100kA at 635V.
- 50 or 60 HZ operation.
- 3 Pole and 4 Pole designs.
- 10,000 cycles, before maintenance (Mechanical).
- 4000 cycles @ 635Vac, 3000 cycles @ 847Vac before maintenance (Electrical).
- Meets ANSI C37.13, C37.16, C37.17 and C37.50.
NOARK’s A40 Power Circuit Breakers Protection & Control Options
They understand that every project is unique and may require flexible designs. That’s why NOARK’s A40 Power Circuit Breakers are available with various protection and control options, allowing them to select the circuit breaker that has everything they need:
- LI, LSI, or LSIG Protections.
- LED & LCD displays available.
- Optional multi-metering trip unit with total harmonic distortion analysis and waveform capture.
- Stored energy operating mechanism.
- AC and DC rated motor operator, shunt trip, and undervoltage release accessories.
- Arc Flash Reduction Maintenance Mode & ELM10 maintenance Switch.
- Voltage Conversion Module VCM10 for high voltage protection.
- Neutral CT NCT12N & RCT-1800 for ground fault protection.
- Zone Selective Interlocking.
- RS-485 Modbus Communication option available.
NOARK A40 Power Circuit Breaker Approvals
NOARK Electric ensures that every component produced meets or exceeds all necessary approval requirements. The A40 Power Circuit Breakers meet the following standards:
- UL 1066, Low-Voltage AC and DC Power Circuit Breakers.
- ANSI C37.13 Low Voltage Power Circuit Breakers.
- ANSI C37.16 Low Voltage Power Circuit Breakers Ratings, Related Requirements and Applications.
- ANSI C37.17 – IEEE Standard for Trip Systems.
- ANSI C37.50 – Low Voltage AC Power Circuit Breakers, Test Procedure.
What Design Features Do NOARK’s A40 Power Circuit Breaker Offer?
At NOARK, they understand that the customers need to know that the electrical components used in their power systems are reliable. To ensure that customers are offered the highest quality electrical products and components, every A40 Power Circuit Breaker is designed with the following industry-pioneering features:
- Compact size with 3P breaker width 17.76 inches (451MM) only.
- UL field-installable accessories.
- 3 Pole and 4 Pole designs.
- Phase barriers (optional).
- Available as Disconnect Switch (ASD40).
Why Choose NOARK Electric for Power Circuit Breakers?
NOARK Electric’s A40 Circuit Breakers are available in a range of ratings and control options. Moreover, the considerable list of design features with approvals demonstrates the reliability and safety of the electrical components.
The NOARK team is dedicated to bringing them the best circuit protection products. For a complete list of product options, explore the easy-to-use Circuit Protection Catalog.
