Overview
The Siemens 17CP92NF1081 combination starter is a Class 17 motor control device designed for reliable starting and protection of 3 HP electric motors in industrial automation and manufacturing environments. This non-reversing, full-voltage magnetic starter combines disconnect switching, fused protection, and motor overload monitoring in a single NEMA enclosure, eliminating the need for separate components and reducing installation complexity.
Key Features
- Class 17 heavy-duty design with ambient-compensated bimetal overload relay
- Full-voltage, non-reversing three-phase magnetic contactor
- Fusible disconnect rated for reliable fault protection
- NEMA Size 0 configuration for compact panel mounting
- Coil voltage options (typically 120V 60Hz or 110V 50Hz)
- Enclosed in NEMA 3/3R/4/12 painted steel enclosure
Technical Specifications
- Motor Rating: 3 HP (exact voltage rating to be verified)
- Enclosure Type: NEMA 3/3R/4/12 (painted steel)
- Starter Type: Combination, Full Voltage, Non-Reversing
- Phase: Three Phase (3PH)
- Contactor Rating: 18A at rated voltage
- Overload Protection: Ambient Compensated Bi-Metal
- Disconnect Type: Fusible
- Standard Width Enclosure: Yes
Typical Applications
This combination starter is ideal for controlling centrifugal pumps, compressors, fan motors, and general industrial machinery that requires three-phase motor protection and disconnect switching. Commonly used in manufacturing plants, water treatment facilities, HVAC systems, and process control environments where reliable, code-compliant motor startup and overload protection are critical.
Compatibility & Replacements
The Siemens 17CP92NF1081 is part of the Class 17 combination starter lineup. Related models within the Class 17 series include the 17CP92NF1181 (similar specifications with different coil voltage options). When replacing or upgrading motor starters, verify motor horsepower ratings, coil voltage requirements, and enclosure type compatibility with your specific application. Consult the manufacturer’s documentation or contact a Siemens distributor for interchangeability confirmation.
