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UL489 MOLDED-CASE CIRCUIT BREAKERS
NOARK Electric offers a complete range of Molded Case Circuit Breakers in six frame sizes: M1 – 150A, M2 – 250A, M3 – 400A, M4 – 600A, M5 – 800A, and M6 – 1200A. Each frame size offers a range of interrupting ratings up to 100kA at 480Vac and voltage ratings up to 600Vac and 600Vdc.
- High-breaking capacity and a patented arc extinguishing design
- Bearing-type spindle reduces the operating force required to open and close the operating mechanism
- High quality compact modular design
- Fixed and adjustable trip unit settings
- Line and load lugs installed standard
- 5-Year limited warrantyWide range of accessories:
- Alarm switch and auxiliary contact
- Shunt and under-voltage trip
- Rotary type handle
- Flange type handle
MINIATURE CIRCUIT BREAKERS
Miniature Circuit Breakers (MCBs) are a vital element for circuit protection in f electrical systems. They protect circuits from overloads and short circuits, preventing damage to equipment, and potentially dangerous electrical fires or injury.
- Breakers mount on standard 35mm DIN rail
- Three levels of thermal-magnetic overcurrent protection categorized by B, C, and D curves
- Field-installable shunt trip and auxiliary switch
- Stand-alone Branch Circuit Protection
- External handle mechanisms available
- Field mounted accessories
- Approved to UL489, CSA C22.2 No 5 and IEC60947-2
- 0.5A to 32A ratings (B1H); 0.5A to 63A ratings (B1N/B1NQ/B1D)
POWER CIRCUIT BREAKERS
- Two families: A32 up to 3200A, and A40 up to 4000 amps
- The A32 family features an interrupting capacity of 100kA at 635V
- A40 family features an interrupting capacity of 100kA at 635V and 85kA at 847V
- Both A32 and A40 family of products are UL Listed and CSA Certified
- A variety of trip units, accessories, and communications options are available
- UL 1066 certified
- Complies with ANSI C37.13, C37.16, C37.17, and C37.50 standardsTechnical Specifications
- 800A through 3200A Draw Out
- 800A through 2500A
- Fixed IC 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 Operations, before maintenance (Mechanical)
- 6,000 Operations, before maintenance (Electrical)
MOTOR CONTACTORS AND OVERLOAD RELAYS
Noark motor contactors are designed to handle the most demanding motor control applications, including full voltage non-reversing (FVNR) reversing (FVR) and wye-delta reduced voltage starting. With ampere ratings from 6A through 1000A, 9ur Ex9C contactor is ideal for any application from HVAC controls, pump control panels and customized control panels for automation systems.
- Motor Contactors
- Nine frame sizes with rated current up to 1000A at 690V AC-3
- Coil control voltage from 24-600Vac and 24-500Vdc
- Wide range electronic coil available for 9-500A contactors features built-in surge suppression
- DIN rail 35 mm and panel mountable
- Thermal Overload Relays (for use with Ex9C and Ex9CR)
- Rated current up to 500A @ 600 Vac, 50/60 Hz
- Adjustable current setting for overload protection
- Overload protection trip Class 10 and Class 10A
- Phase loss protection
- Automatic or manual reset selectable
- Status indication
- STOP and TEST function
- Direct mount to contactors or 35 mm DIN rail mounting base option
SAFETY CONTACTORS AND RELAYS
Our control circuit devices, such as safety contactors, relays, and pilot devices provide critical operational functionality to our customer’s machines, control panels and automation systems. Each device is designed for high durability, is built in our ISO9000 factories and are UL recognized components.
- Positively guided mirror contacts/mechanically linked contacts according to IEC/UL 60947-4-1 Annex F, IEC/UL 60947-5-1 Annex L
- Mirror contacts/ mechanically linked symbol on the side of auxiliary block
- Fixed transparent anti-dust cover for easy identification of the device action and prevents the manual operation
- AC or DC operating coils
- Integrated body with built in auxiliary contacts up to 2NC and 2NO
- Integrated surge suppression on DC coil models
DEFINITE PURPOSE CONTACTORS
Definite purpose contactors are a device that is designed to handle high current circuits for specialized inductive and resistive loads. These loads include compressors, pumps, transformers and electric heating and lighting applications. Each Noark definite purpose contactor is designed to meet or exceed industry standards and handle a specific type of load to ensure that the equipment being controlled operates efficiently and safely.
- 20-40A, 1 to 4 pole available now
- Enclosed coil standard for all 1 to 4 pole frame sizes
- Industry standard mounting plate provides easily accessible mounting holes
- Connection terminal options, including screw or lug connections each with quick connect spades
- Coil is Class B 266ºF (130ºC) insulation system with a wide range of voltages and 50/60 Hz ratings
- Double E magnet assembly provides optimal performance with reduced power consumption
- Base assembly is made from high arc-resistant polyester
- 100,000 to 250,000 cycles by UL 508/UL60947-4-1 for air resistance heating application