Product Description
MICRO-SWITCH
Specifications
Product Overview
| Part Number | 3137274 |
| Product Type | Micro-Switch (Electrical Safety Switch) |
Physical Specifications
| Voltage Rating | 12V, 24V, or 48V (verify per equipment schematic) |
| Common Control Functions | Safety Interlocks, Tilt Limit Sensors, Load Cell Signals, Direction Controls |
| Typical Lifespan | 2-5 years in frequent-use service |
| Failure Modes | Contact wear, contamination, mechanical jamming, electrical overload |
Compatibility
| Application | Electric Lift Truck Control Circuits |
| Compatible Equipment Type | Electric Forklifts, Electric Pallet Jacks, Reach Trucks |
Frequently Asked Questions
Q: What is the voltage rating of the 3137274 micro-switch?
A: Micro-switch voltage ratings vary by application. The 3137274 is used in electric lift truck control circuits; verify the exact voltage specification (typically 12V, 24V, or 48V) from your equipment schematic before ordering.
Q: What does the 3137274 micro-switch control?
A: Micro-switches in lift trucks are used for safety interlocks, tilt limit sensors, load cell signals, or direction controls. Determine your truck model and control function to confirm the correct switch type.
Q: Is the 3137274 micro-switch compatible with Crown, Toyota, and Raymond equipment?
A: This micro-switch is used in electric lift trucks from multiple manufacturers including Crown, Toyota, Raymond, and Yale. Verify equipment model and serial range to confirm cross-compatibility before ordering.
Q: What causes a 3137274 micro-switch to fail?
A: Micro-switch failures result from contact wear, contamination (dust or moisture in the switch cavity), mechanical jamming from debris, or electrical overload. Inspect for these conditions if the truck exhibits control or interlock problems.
Q: How long does the 3137274 micro-switch typically last?
A: Micro-switch lifespan depends on activation cycles and operating environment. Switches used in frequent daily cycles typically last 2-5 years before contact wear degrades performance. Switches in intermittent service may last longer.