Description
GE IC9445B203B Limit Switch
Product Dimensions：
The GE IC9445B203B is a heavy-duty, industrial-grade Lever-Operated Limit Switch. It is part of the General Electric (now often serviced under GE Vernova or Parts Super Center) IC9445 series, specifically engineered for high-reliability applications in harsh environments such as power plants and heavy manufacturing.
Product Detailed Description
The IC9445B203B is a watertight and dust-tight limit switch designed to detect the presence or position of mechanical parts. In power generation, specifically within GE Mark V Speedtronic control systems, it is often used as an interface to convert physical mechanical movement into logical signals for the turbine control system.
Technical Parameters
| Parameter | Specification |
| Model Number | IC9445B203B |
| Switch Type | Lever-operated, heavy-duty limit switch |
| Voltage Rating | Up to 600 V AC/DC |
| Current Rating | 15 A Continuous |
| Contact Configuration | 1 Normally Open (NO) & 1 Normally Closed (NC) |
| Enclosure Rating | Watertight / Dust-tight (NEMA 4 equivalent) |
| Construction | Rugged metal housing with adjustable cams |
| Standard Compliance | NEMA, UL listed, CSA certified |
Product Advantages
- Durability: Built with high-strength materials (often ductile iron or heavy-duty alloy) to withstand extreme vibrations and mechanical shocks.
- Environmental Protection: The watertight construction ensures reliable operation in outdoor or wash-down environments, preventing internal corrosion.
- Precision Adjustability: The internal cams can be adjusted to change the tripping point, providing flexibility during site installation and commissioning.
- High Load Capacity: With a 15A rating at 600V, it can handle both control-level signals and direct switching of small auxiliary loads.
Important Considerations (Precautions)
- Mechanical Alignment: Ensure the operating lever is correctly aligned with the moving target. Excessive lateral force on the lever can lead to premature shaft wear.
- Maintenance: While designed for longevity, periodically inspect the internal contact blocks for pitting or carbon buildup, especially if switching inductive loads at high voltages.
- Seal Integrity: When installing conduit, use appropriate watertight fittings to maintain the “watertight” rating of the housing.
- ESD Warning: If used as an interface card within a Mark V cabinet (as some regional variants of this part number suggest), always use an anti-static wrist strap to protect sensitive CMOS components.
Product Applications
The IC9445B203B is a “workhorse” in heavy industry:
- Power Generation: Used in GE Frame 6, 7, and 9 gas/steam turbines for valve position feedback and auxiliary system monitoring.
- Material Handling: Position sensing for cranes, hoists, and heavy-duty conveyor systems.
- Heavy Manufacturing: Limiting the travel of massive machine tool slides or mill drives.
- Infrastructure: Used in movable bridges or dam gates where high torque and weather resistance are required.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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