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UL Product portfolio

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Main power distribution

Noark’s UL Air circuit breakers are the best product solution for power distribution in every segment, based on the wide range of Smart tripping units, accessories and communication and safety devices.

The numerous certifications and testings that these products go through, ensures the exceptional reliability and robustness of the breakers, reducing significantly the maintenance requirements.

Noark’s circuit breaker’s robust construction and comprehensive protection features, ensure maximum safety for personnel and equipment alike as well as making them the ideal solution for low voltage switchgear and customized power distribution assemblies used in Renewable Energy, Data Centers, Standby Power, Industrial, Healthcare and Commercial applications.

Air Circuit Breakers

  • Air circuit breakers, frame size A32 and A40
  • Rated current up to 4000 A
  • Rated operating voltage 847 AC
  • Breaking capacity Icu 100 kA at 635 V
  • Fixed and withdrawable versions
  • Arbitrary selection of tripping unit SU
  • Compact and modular design
  • Wide range of accessories
  • Meets UL 1066 standard
  • 3 Pole and 4 Pole designs
  • LI‚ LSI‚ or LSIG Protection
  • Standard LED display
  • Color LCD display 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
  • Voltage Conversion Module VCM10 for high voltage protections
  • Neutral CT NCT12N & RCT-1800 for neutral protections
  • Zone Selective Interlocking
  • RS-485 Modbus Communication available

The Air Circuit Breakers developed for the UL regions, after receiving the approval of UL, CSA and ANSI are designed to guarantee robustness and reliability of the operation and usage.

The frame sizes are distributed as follows:

  • A32: with a nominal current range from 800 A up to 3200 A

  • A40: with a nominal current of 4000 A By offering a wide range of parameters and accessories, the UL ACB series is ready to cover every kind of application and installation.

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Smart Units

  • Microprocessor based true rms sensing

  • Cause of trip LEDs, Unit status LED

  • Making Current Release (MCR) protection

  • Ready-To-Close Indicator

  • Available zone selective interlocking

  • Available RS-485 communications

  • USB port for power & communication

  • High Speed Instaneous Short Circuit (HSISC) protection

  • Discrete rotary trip setting dials

  • Protection configurations:

    • LI: Long Time-delay Overload, Instantaneous Short Circuit.
    • LSI: Long Time-delay Overload, Short Time-delay Short Circuit, Instantaneous Short Circuit
    • LSIG: Long Time-delay Overload, Short Timedelay Short Circuit, Instantaneous Short Circuit, Equipment Ground Fault

  • Available models:

    • Model M – LED display
    • Model A – Color LCD display with a 3-phase ammeter
    • Model H – Color LCD display with multi-metering and total harmonic distortion waveform capture

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Sub power distribution

Noark’s UL Moulded case circuit breakers are the best product solution for power distribution in every segment. Different frame sizes, with variable versions of rated current, ensures its usage in any application.

The numerous certifications and testings that these products go through, guarantees the exceptional reliability and robustness of the breakers, significantly reducing the maintenance requirements.

Moulded case circuit breaker’s solid construction and comprehensive protection features, ensure maximum safety for personnel and equipment alike, as well as making them the ideal solution for low voltage switchgear and customized power distribution assemblies used in Renewable Energy, Data Centers, Uninterruptable Power Supply, Industrial, Healthcare and Commercial applications.

Moulded Case Circuit Breakers

  • Meets requirements of UL 489, IEC/EN 60947-2
  • Rated current up to 1200 A
  • Rated operating voltage 600 V AC and 600 V DC
  • Rated short-circuit breaking capacity Icu:
    • M1–M2: 50 kA/100 kA/150 kA (240 V AC)
    • M3–M5: 65 kA/100 kA/150 kA (240 V AC)
    • M6: 65 kA/100 kA (240 V AC)
    • M6 3P4W: 42 kA/65 kA (480 V AC)
  • 1, 2 and 3 Pole versions
  • Lug Line/Load Side Connection
  • Thermal-magnetic release/electronic trip unit
  • Compact and modular design
  • Wide range of accessories

Molded Case Circuit Breakers from the M series are designed for power distribution protection and control on high demand installations, such as industrial and commercial applications, among others. Testing according to UL 489 & IEC/EN 60947-2 standards ensures the required functionality and reliability for the higher power applications.

The M series are divided to different frame versions:

  • M1 frame from 15 A to 150 A
  • M2 frame from 100 A to 250 A
  • M3 frame from 250 A to 400 A
  • M4 frame from 400 A to 600 A
  • M5 frame from 600 A to 800 A
  • M6 frame from 800 A to 1200 A

A wide range of accessories ensures the adaptability of this series to any specific application requirements.

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Final power distribution

UL Miniature Circuit Breakers are the best product solution for power distribution in every segment. Different pole versions, with wide range of rated currents, ensure use in any application. This is facilitated by a wide range of accessories.

The numerous certifications and testings that these products go through, ensures the exceptional reliability and high quality of the breakers, significantly reducing the maintenance requirements.

Noark’s Miniature Circuit Breaker’s have high quality construction and comprehensive protection features that ensure maximum safety for personnel and equipment alike, as well as making them the ideal solution for low voltage switchgear and customized power distribution assemblies used in Renewable Energy, Data Centers, Standby Power, Industrial, Healthcare and Commercial applications.

Miniature Circuit Breakers B1H

  • UL 489 listed & IEC/EN 60947-2 MCBs also for use in applications for which UL 1077 are allowed
  • Rated short-circuit breaking capacity 10 kA
  • 1 up to 3 Pole versions
  • Triping characteristic B, C, D
  • Rated current up to 32 A
  • Rated voltage 480Y/277 V AC
  • Utilization category B according to IEC/EN 60947-2
  • Wide range of accessories

B1 series Miniature circuit breakers are designed to protect the premises in a variety of applications such as industrial and commercial among others. Testing according to UL 489/1077 and IEC / EN 60947-2 standards ensures the required functionality and reliability for applications with higher requirements.

B1H: from 0.5 A to 32 A

The B1 series offers a wide range of accessories that can be easily combined for maximum customization, making it the perfect choice for even the most demanding installations and applications.

Tripping characteristics B, C and D.

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Miniature Circuit Breakers B1E

  • UL 1077 recognized MCBs , fullfilling UL 1077 & IEC/EN 60947-2 standard
  • Rated short-circuit breaking capacity and 5 kA
  • 1 up to 4 Pole versions
  • Triping characteristic B, C, D
  • Rated current up to 125 A
  • Rated voltage 480Y/277 V AC; 60/125 V DC
  • Utilization category B according to IEC/EN 60947-2
  • Wide range of accessories

B1E series Miniature Circuit Breakers are designed to protect the premises in a variety of applications such as industrial and commercial among others. Testing according to 1077 and IEC / EN 60947-2 standards ensures the required functionality and reliability for applications with higher requirements.

B1E: from 0.5 A to 125 A with breaking capacity 5 kA and 1 up to 4 poles

The B1 series offers a wide range of accessories that can be easily combined for maximum customization, making it the perfect choice for even the most demanding installations and applications.

Tripping characteristics B, C and D.

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Accessories for MCBs

  • Auxiliary Contacts synchronnous with main contacts of the device
  • Signal Contacts active on electrical tripping of the circuit breaker
  • Shunt trip Releases SHT
  • Locking Devices
  • Undervoltage Releases UVT
  • Comb Bus Bar CBA
  • Extend Rotary Handle ERH

Accessories for MCBs enhances the functionality and safety of installation circuit breakers. From auxiliary and signal contacts to shunt and undervoltage releases, each component is designed for reliable operation. Locking devices, comb bus bars, and extended rotary handles ensure flexibility and ease of use in various applications.

All accessories are engineered to meet high standards of quality and compatibility, ensuring optimal performance in electrical installations.

Fuse Holders

  • Meet requirements of UL 4248-4 for CC fuse and
  • UL 4248-1 for Midget type fuse
  • Rated current 30 A
  • Rated operating voltage 600V AC/DC
  • SCCR Rating 200 kA
  • 1 up to 4 Pole versions
  • Designed midget fuse links
  • With light indication

Fuse Holders are the ideal and very important security solution for power distribution in a wide range of applications, offering exceptional performance and reliability. Available in various pole versions, ranging from 1 to 4 poles, these fuse holders are compatible with UL Class CC and midget fuse links, ensuring flexible use across different systems. Rated current 30 A, and rated operating voltage of 600V AC/DC, makes them suitable for both AC and DC applications.

F30M: 30 A rated current and midget fuse links. F30C: 30 A rated current and CC fuse links.

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Industrial control

Noark’s UL Contactors portfolio offers a comprehensive range of high-performance solutions designed for reliable control and switching in various industrial and commercial applications. Engineered to meet the stringent requirements of UL standards, these contactors ensure excellent functionality and durability, providing safe and efficient operation in power distribution, motor control, and other critical systems.

Available in multiple configurations to support different voltage and current ratings, the UL Contactors are suitable for diverse environments, from Standard Industrial Machinery to Renewable Energy systems. With their robust construction, energy-efficient operation, and extensive range of accessories, these contactors deliver high reliability and flexibility for a wide range of applications, ensuring optimal performance in every situation.

AC Miniature Contactors Ex9CS

  • Miniature contactors Ex9CS meets UL 60947-1, UL 60947-4-1 and IEC/EN 60947-4-1
  • Rated current from 6 A to 12 A
  • Coil control voltage 24 — 500 V AC
  • 3 and 4 Pole versions with variation of NO and NC contacts
  • Screw or lug connection terminals
  • Suitable for industrial and domestic applications
  • Mounting onto device rail (DIN) 35 mm or onto panel

Ex9CS series contactors are intended for various applications including heavy industrial loads. Testing according to UL 60947-1, UL 60947-4-1 and IEC/EN 60947-4-1 standards ensures the required functionality and reliability for the higher power applications.

Contactors can be equipped with various accessories like front/side mounted auxiliary contacts, time delay relay, mechanical interlock, surge suppressor block, covers and other combination of wiring kits.

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AC Contactors Ex9C

  • Contactors Ex9C meets UL 60947-1, UL 60947-4-1, UL 508 (for 630-1000 A version) and IEC/EN 60947-4-1
  • Rated current from 9 to 1000 A at 400 V AC-3
  • Coil control voltage 24 — 600 V AC
  • 3-pole versions
  • Suitable for industrial and domestic applications
  • Mounting onto device rail (DIN) 35 or 75 mm - (frame sizes 65 and 100) or onto panel

Contactors from Ex9C, Ex9CS series are intended for various applications including heavy industrial loads. Testing according to UL 60947-1, UL 60947-4-1, UL 508 (for 630 A - 1000 A version) and IEC/EN 60947-4-1 standards ensures the required functionality and reliability for the higher power applications.

Contactors can be equiped with various accessories like front/side mounted auxiliary contacts, time delay relay, mechanical interlock, surge suppressor block, covers and other combination of wiring kits.

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Definite Purpose Contactors Ex9CK

  • Ex9CK UL Recognized, File Number E353866, meets IEC/EN 60947-4-1
  • Rated current from 50 to 90 A
  • Coil control voltage 24 — 600 V AC
  • 3NO main contacts
  • Screw or lug connection terminals
  • Ex9CK Coil is Class B 266 ºF (130 ºC)

Ex9CK Series Definite Purpose Contactors provide high performance with both flexibility and reliability. They are designed to match numerous applications including: Air conditioning, Resistive heating, Refrigeration equipment, Motors, Welding, Pumps, Power supplies, Food service equipment, Compressors, Business machines.

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Accessories for contactors

  • Accessories for contactors of line Ex9C, Ex9CS and Ex9CK
  • Front-mounted auxiliary contacts AX41/42
  • Side-mounted auxiliary contacts AX43/44
  • Side-mounted auxiliary contacts AXFC11
  • Surge suppressor blocks CCU4
  • Mechanical interlocks MIT4

AX41 auxiliary contact units and CCU41 surge suppressor blocks are designed in order to match miniature version of contactors Ex9CS. Auxiliary contact units are available with four contacts with all possible contact combinations.

Contactors Ex9C line share accessories, i.e. available portfolio can be used for all sizes of contactors (except miniature ones). Every contactor can be equipped with one front-mounted unit (AX42 or TDD4), two units of side-mounted contact AX43/44 (one from the left, the other from the right) and surge suppressor block CCU42/43. Installation of an front-mounted unit does not affect a possibility to install overload thermal relay Ex9R.

Overload Relays Ex9R

  • Tested according to UL 60947-1 and IEC/EN 60947-1
  • Thermal Overload Relays Ex9RD
  • Electronic Overload Relays Ex9RE
  • Direct mount to contactors or 35 mm DIN rail mounting base
  • Rated current up to 630 A
  • Frame size 11.5, 25, 36, 40, 93, 200, 630 A
  • Suitable mainly for motor protection against overload or phase loss
  • 3 Pole versions
  • Ex9RD rated operating Voltage Ue = 600 V
  • Ex9RE supply Voltage (AC/DC): 24/24, 110/120, 220/240

Overload Relays Ex9RD/E series are designed for power distribution protection on high demand installations such as industrial and commercial among others. Testing according UL 60947-1 and IEC/EN 60947-2 standards ensures the required functionality and reliability for the higher power applications. The Ex9R series is divided in seven frame sizes according the characteristics of the installation, as follows:

  • Ex9RD11.5: Frame size 11.5 Overload relays current range setting from 0.1 A to 13 A
  • Ex9RD25: Frame size 25 Overload relays current range setting from 0.1 A to 25 A
  • Ex9RD36: Frame size 36 Overload relays current range setting from 23 A to 36 A
  • Ex9RE40: Frame size 40 Eletronic Overload relays from current range setting from 0.1 A to 40 A
  • Ex9RD93: Frame size 93 Overload relays current range setting from 23 A to 93 A
  • Ex9RD200: Frame size 200 Overload relays current range setting from 80 A to 200 A
  • Ex9RD630: Frame size 630 Overload relays current range setting from 160 A to 630 A

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Industrial Control

Noark’s UL Motor Protective Circuit Breakers portfolio offers a reliable and robust solution for protection of motors in a wide range of industrial and commercial applications. Designed to meet the rigorous requirements of UL standards, these Motor Protective Circuit Breakers combine the functions of motor protection and circuit interruption, ensuring optimal performance and safety by protecting motors against overloads, short circuits, and phase failures.

Available in various ratings and configurations, UL Motor Protective Circuit Breakers are suitable for different motor sizes and power systems. Their compact design allows easy integration into control panels, while the adjustable trip settings provide enhanced flexibility. These circuit breakers are ideal for applications such as Manufacturing, Renewable Energy, HV AC systems, and more, ensuring comprehensive protection and efficient motor control in any environment.

Motor Protective Circuit Breakers Ex9S32A & Ex9S80A

  • Meets requirements of UL 60947-4-1 and IEC/EN 60947-4-1
  • Rated operating voltage Ue up to 690 V AC (IEC) and 600 V AC (UL)
  • Rated current Ie up to 80 A at 600 V AC
  • Overload, short-circuit and phase-failure protection
  • Ambient temperature compensation
  • UL 60947-4-1 Type E Self Protection - Ex9S32 and Ex9S80
  • UL 60947-4-1 Type F Group Motor Protection - Ex9S80
  • Wide range of accessories

Motor protective circuit breakers Ex9S32A and Ex9S80A meet the requirements of UL 60947-1 and IEC/EN 60947-4-1 standards, ensuring high levels of performance and safety. With a rated operating voltage Ue up to 600 V and a rated current Ie up to 32 A at 600 V AC. They provide comprehensive protection against overloads, short circuits, and phase failures.

The Ex9S32A and Ex9S80A series is designed for installation in distribution boards with a 45 mm cutout. It also offers ambient temperature compensation, sealing options for enhanced security, and a wide range of accessories, making it a flexible and reliable solution for motor protection.

Ex9S32A: Frame size 32 Motor Protective Circuit Breakers, rated current up to 32 A

Ex9S80A: Frame size 80 Motor Protective Circuit Breakers, rated current up to 80 A

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