NOARK Electric is set to introduce its latest addition to its lineup of air circuit breakers, the A25 Power Circuit Breaker. This new offering expands upon the existing range, which includes the A40 and A32 models. The A25 supports up to 2000A with a draw-out capacity and 2500A for fixed mounting.
Designed to meet rigorous industry standards, the A25 is UL Listed and CSA certified, indicating its compliance with top-quality benchmarks. It provides interrupting ratings up to 100 kA at 635 V and 85 kA at 508 V, making it a reliable choice for electrical protection needs.
Strong Structure and Extensive Protection Features
NOARK's A25 Power Circuit Breaker minimizes downtime and maintenance expenses for OEMs
Engineered for reliability, NOARK's A25 Power Circuit Breaker minimizes downtime and maintenance expenses for Original Equipment Manufacturers (OEMs).
This robustly constructed breaker includes comprehensive protection features designed to safeguard both personnel and equipment.
Its versatile design makes it highly suitable for use in low-voltage switchgear and power distribution assemblies across various sectors, such as Data Centers, Standby Power, Industrial, Healthcare, and Commercial applications.
Understanding Air Circuit Breakers
An air circuit breaker (ACB) uses air to quench arcs during circuit interruptions, thereby protecting against overloads, short circuits, and similar faults.
By cutting the electrical flow when overloaded, these breakers prevent system damage and enhance safety. Their dependable performance, simple maintenance requirements, and ability to manage high currents make ACBs vital for maintaining stable and safe electrical systems.
NOARK's A25 Circuit Breaker Specifications
The A25 circuit breakers by NOARK Electric come with notable specifications, including a voltage range
The A25 circuit breakers by NOARK Electric come with notable specifications, including a voltage range from 254 Vac to 847 Vac and an interrupting rating up to 85 kA at 847 V. They operate at 50 or 60 Hz and are available in 3 Pole and 4 Pole configurations.
The unit is rated for 10,000 mechanical cycles before requiring maintenance, with 6,000 cycles at 635Vac and 3,000 cycles at 847Vac for electrical operations. These breakers comply with ANSI standards C37.13, C37.16, C37.17, and C37.50.
Protection and Control Options
The A25 Power Circuit Breakers offer customizable protection and control features tailored to specific requirements. Options include LI, LSI, or LSIG protections, LED and LCD displays, and a multi-metering trip unit for total harmonic distortion analysis and waveform capture.
Additional features are the stored energy operating mechanism, AC and DC rated motor operators, shunt trip and undervoltage release accessories, and arc flash reduction maintenance mode. Advanced options include a Voltage Conversion Module for high voltage protection, neutral CT and ground fault protection, and RS-485 Modbus communication.
A25 Power Circuit Breaker Compliance
NOARK Electric ensures all parts, including the A25 Power Circuit Breakers, stick to stringent industry norms
NOARK Electric ensures all components, including the A25 Power Circuit Breakers, adhere to stringent industry standards.
These breakers meet UL 1066 and ANSI standards C37.13, C37.16, C37.17, and C37.50 for various aspects of low-voltage AC and DC circuit breaker operations and testing procedures.
Design Features of the A25 Power Circuit Breaker
NOARK’s A25 Power Circuit Breaker is designed with flexibility and robustness to accommodate diverse applications. It features a compact form, UL field-installable accessories, and is available in both 3 Pole and 4 Pole designs.
Optional features include phase barriers and availability as a disconnect switch (ASD25), ensuring adaptability to varying customer needs.
NOARK Electric is proud to announce that it will soon be releasing the newest circuit protection product, the A25 Power Circuit Breaker. The A25 will be available up to 2000A draw out and 2500A fixed mounting. The A25 Power Circuit breaker is the newest to the air circuit breaker lineup, following A40 and A32 Power Circuit Breakers.
The A25 is available in interrupting ratings up to 100 kA at 635 V, and 85 kA at 508 V. UL Listed, and CSA certified, this unit is built to the highest industry standards. Competitively priced when compared to market leaders, experience ease of mind knowing the product is built to last.
Robust construction and comprehensive protection
The A25 circuit breaker delivers exceptional reliability, reducing downtime and maintenance costs for OEMs. The circuit breaker’s robust construction and comprehensive protection features ensure maximum safety for personnel and equipment alike.
With its versatile design, the A25 is the ideal 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 and the accessories conform with ANSI C37.13, C37.16, C37.17, and C37.50 standards and are UL 1066 certified.
How Do Air Circuit Breakers Improve Power Systems?
An air circuit breaker (ACB) is a type of circuit breaker that uses air as the medium to extinguish the arc formed during circuit interruption. The primary purpose of an air circuit breaker is to protect electrical circuits and equipment from overloads, short circuits, and faults.
When excessive current flows through the circuit, the ACB trips, interrupting the flow of electricity to prevent damage to the system and ensure safety. They offer reliable performance, easy maintenance, and the capability to handle large currents, making them essential components for maintaining the stability and safety of electrical installations.
NOARK Electric’s A25 Power Circuit Breaker Ratings
NOARK Electric’s new A25 power circuit breakers have the following ratings:
- Wide voltage range – 254 Vac to 847 Vac.
- 2500 A.
- Interrupting ratings up to 85 kA at 847 V.
- Short-Time Withstand, 85 kA at 847 V.
- 50 or 60 HZ operation
- 3 Pole and 4 Pole designs.
- 10,000 cycles, before maintenance (Mechanical).
- 6000 cycles @ 635Vac, 3000 cycles @ 847Vac before maintenance (Electrical).
- Meets ANSI C37.13, C37.16, C37.17 and C37.50.
NOARK’s A25 Power Circuit Breakers Protection & Control Options
The A25 Power Circuit units will be offered with the following protection and control options, allowing them to tailor the unit to their unique needs:
- 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 ARM Switch.
- Voltage Conversion Module VCM10 for high voltage protections.
- Neutral CT NCT11N & RCT-1800 for ground fault protection.
- Zone Selective Interlocking.
- RS-485 Modbus Communication option available
NOARK A25 Power Circuit Breaker Approvals
NOARK Electric ensures that every component produced meets or exceeds all necessary approval requirements. The A25 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 Will NOARK’s A25 Power Circuit Breaker Offer?
At NOARK Electric, they understand the need for a versatile and robust design to meet the demands of customers for many different applications. A25 power circuit breaker was designed with various configurations in mind, and accessories:
- Compact size
- UL field-installable accessories.
- 3 Pole and 4 Pole designs.
- Phase barriers (optional).
- Available as Disconnect Switch (ASD25).
