GE THN3366 Thermal Overload Heater Element – CR123C Series

The GE THN3366 is a thermal overload heater element from the CR123C Series, designed for use in compatible thermal overload relays, magnetic motor starters, and motor control equipment. It is rated for an operating current range of 3.21–3.38 A and has a maximum fuse rating of 26. The element is suitable for open and enclosed starter configurations, with current ranges varying by enclosure type and NEMA starter size.

Specifications

• Manufacturer: General Electric (GE)
• Brand: GE
• Product Type: Thermal Overload Heater Element
• Series: CR123C
• Catalog Number / MPN: THN3366
• Operating Current Range: 3.21–3.38 A
• Maximum Fuse Rating: 26
• Open-Type Current Range: 3.35–3.52 A
• Enclosed-Type Current Range: 3.31–3.48 A
• Compatible NEMA Sizes: 00, 0, 1, 2, and 5

Part Numbers & Identification

• Manufacturer: General Electric (GE)
• Brand: GE
• Catalog Number: THN3366
• Series: CR123C
• Product Type: Thermal Overload Heater Element
• UPC:783164133172 

Compatibility

The GE THN3366 is intended for compatible CR123C Series thermal overload relays, magnetic motor starters, and motor control equipment across the specified NEMA sizes.

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