Product Description
24VDC solenoid for electric lift truck applications, rated 50A continuous current, base mount, with steel housing and cross-reference part numbers ORG-121912 and IN121912-ORG.
Specifications
Electrical
| Coil Voltage | 24VDC |
| Rated Continuous Current | 50 amperes |
Material & Construction
| Plunger Material | Precision ground ferrous alloy |
| Housing Material | Steel |
| Mount Type | Base mount with threaded fastening |
Part Numbers
| Primary Part Number | 121912 |
| Cross-Reference Part Numbers | ORG-121912, IN121912-ORG, 121912-ORG |
Performance Specifications
| Service Life | Exceeds 100,000 switching cycles at rated load |
| Applications | Traction motor control, hydraulic pump control, electric pallet jacks, walkie stackers |
Frequently Asked Questions
Q: What is the voltage and current rating of the 121912 solenoid?
A: The 121912 is a 24VDC solenoid rated for 50 amperes continuous current. This rating means the solenoid can sustain 50A load indefinitely without coil failure. For brief peak currents above 50A, verify circuit protection and solenoid thermal limits. Using improper voltage or exceeding current rating will damage the coil.
Q: What are the cross-reference part numbers for the 121912?
A: The 121912 supersedes part number ORG-121912 and is equivalent to IN121912-ORG and 121912-ORG. If you have an older truck using any of these part numbers, the 121912 is a direct replacement. Verify cross-reference compatibility with your equipment documentation before installation.
Q: Which electric lift truck brands use the 121912 solenoid?
A: The 121912 is an OEM equivalent solenoid for 24VDC electric pallet jacks and walkie stackers from Crown, Toyota, Raymond, Yale, and Hyster. It is commonly used in traction motor or hydraulic pump control circuits. Confirm your truck voltage system is 24VDC and the solenoid function matches your circuit diagram.
Q: How long does the 121912 solenoid last before requiring replacement?
A: The 121912 exceeds 100,000 switching cycles at rated current and voltage. Service life depends on cycle frequency and load conditions. In high-cycle operations, expect 3 to 7 years of service. Replace immediately if the plunger sticks, coil burns out, or electrical continuity is lost.
Q: What material is the 121912 plunger and why is precision grinding important?
A: The 121912 uses a precision ground ferrous alloy plunger that moves freely within the solenoid bore. Grinding ensures tight tolerances for consistent electromagnetic response and sealing. Corrosion or damage to the plunger surface will cause sticking and intermittent operation. If the plunger does not move freely during testing, the solenoid must be replaced.
Q: Is the 121912 a base-mount or direct-mount solenoid?
A: The 121912 is a base-mount solenoid with threaded fastening points for bolt-on installation to motor or valve housings. Ensure mounting surfaces are clean and fasteners are secure. Electrical connectors must be accessible and protected from moisture.