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EATON CUTLER HAMMER

Eaton Cutler-Hammer is a product line within Eaton's electrical sector, originating from the Cutler-Hammer brand founded in the early 20th century and acquired by Eaton in 1978. The line encompasses a broad range of industrial control and power distribution components, including motor starters, contactors, overload relays, pushbuttons, and circuit protection devices. These products are used in motor control centers, OEM machinery, and process control systems across industries such as manufacturing, water treatment, and material handling. The components are built to NEMA and IEC standards, with many carrying UL and CSA listings. For example, the non-reversing starters with thermal overloads are available in NEMA Sizes 0 through 4, with current ratings from 18 A to 135 A and coil voltages of 110/120 V AC. The thermal overload relays, such as the C306DN3B, are three-phase, rated 600 V AC and 20–39 A, and require separate heater units for precise motor protection. Contact blocks like the E22B2 are designed for 22 mm panel mounting and feature screw terminals for secure wiring. 3G Electric supplies these Eaton Cutler-Hammer components globally, offering access to a range of motor control and protection products. Our inventory includes starters, relays, and contact blocks that meet common industrial requirements. We support procurement and maintenance teams by providing detailed specifications and ensuring product availability. For technical selection, refer to the specific ratings and compatibility notes for each item.

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About EATON CUTLER HAMMER

Eaton Cutler-Hammer is a product line within Eaton's electrical sector, originating from the Cutler-Hammer brand founded in the early 20th century and acquired by Eaton in 1978. The line encompasses a broad range of industrial control and power distribution components, including motor starters, contactors, overload relays, pushbuttons, and circuit protection devices. These products are used in motor control centers, OEM machinery, and process control systems across industries such as manufacturing, water treatment, and material handling. The components are built to NEMA and IEC standards, with many carrying UL and CSA listings. For example, the non-reversing starters with thermal overloads are available in NEMA Sizes 0 through 4, with current ratings from 18 A to 135 A and coil voltages of 110/120 V AC. The thermal overload relays, such as the C306DN3B, are three-phase, rated 600 V AC and 20–39 A, and require separate heater units for precise motor protection. Contact blocks like the E22B2 are designed for 22 mm panel mounting and feature screw terminals for secure wiring. 3G Electric supplies these Eaton Cutler-Hammer components globally, offering access to a range of motor control and protection products. Our inventory includes starters, relays, and contact blocks that meet common industrial requirements. We support procurement and maintenance teams by providing detailed specifications and ensuring product availability. For technical selection, refer to the specific ratings and compatibility notes for each item.

Common Applications

  • Manufacturing — Eaton Cutler-Hammer NEMA Size 4 non-reversing starter (AN16NN0A) for large conveyor motors.
  • Water treatment — Eaton Cutler-Hammer NEMA Size 1 starter (AN16KN0A) for pump control panels.
  • HVAC — Eaton Cutler-Hammer thermal overload relay (C306DN3B) for fan motor protection.
  • Material handling — Eaton Cutler-Hammer E22B2 contact block for control station pushbuttons.
  • Food processing — Eaton Cutler-Hammer NEMA Size 0 starter (AN16GN0AB) for small mixer motors.
  • Oil and gas — Eaton Cutler-Hammer NEMA Size 2 starter (AN16GN0AB) for compressor motors.

Frequently asked questions

Common questions about EATON CUTLER HAMMER from 3G Electric.

What are the key specifications of the Eaton Cutler-Hammer C306DN3B thermal overload relay?

The C306DN3B is a three-phase NEMA thermal overload relay rated for 600 V AC and a current range of 20–39 A. It is designed for NEMA Size 0/00 starters and has three poles. The relay requires three thermal heater units, which are sold separately, to provide accurate motor overload protection. It is typically used in motor control circuits to prevent damage from overcurrent conditions.

What is the difference between NEMA Size 0 and NEMA Size 4 Eaton Cutler-Hammer non-reversing starters?

NEMA Size 0 starters, such as the AN16GN0AB, are rated for 18 A and are suitable for smaller motors. NEMA Size 4 starters, like the AN16NN0A, are rated for 135 A and handle larger motor loads. Both are three-pole, non-reversing, and include thermal overload protection. The physical size and current capacity differ, so selection depends on the motor's full load current and application requirements.

Can the Eaton Cutler-Hammer E22B2 contact block be used with any pushbutton series?

The E22B2 contact block is specifically designed for use with the E22 series pushbuttons. It has a 22 mm panel mounting size and features screw terminals for wiring. It provides a single normally open (1NO) momentary contact. Using it with other series may not ensure proper fit or electrical compatibility, so it is recommended to pair it with E22 series operators.

What coil voltage is standard for Eaton Cutler-Hammer non-reversing starters?

The non-reversing starters listed, including NEMA Sizes 0 through 4, typically come with a 110/120 V AC coil. This is a common control voltage in industrial settings. However, other coil voltages may be available depending on the specific model and configuration. Always verify the coil voltage required for your control circuit before ordering.

Do Eaton Cutler-Hammer thermal overload relays include heater units?

No, thermal overload relays such as the C306DN3B do not include heater units. The heater units must be selected based on the motor's full load current and ordered separately. This allows for precise matching to the motor's protection needs. Without the correct heaters, the relay will not provide adequate overload protection.

Does 3G Electric supply EATON CUTLER HAMMER products?

Yes — 3G Electric (S) Pte. Ltd. supplies EATON CUTLER HAMMER products. We stock the EATON CUTLER HAMMER catalog and supply genuine factory-original products with full manufacturer warranty and technical support.