Product Description
The SW-91C Switch is a rotary manual key switch designed for electric lift truck control circuits, compatible with low voltage DC up to 24VDC, using silver alloy contacts, panel mount design, and interchangeable with YT800076184, BA177MGP1, BABXRW22A2, LP393-4172, and YT514826100.
Specifications
Electrical Specifications
| Voltage Rating | Compatible with low voltage DC control circuits up to 24VDC |
| Current Rating | 10A continuous at 24VDC |
Material & Construction
| Insulation Material | Reinforced phenolic housing |
Mechanical Specifications
| Intended Application | Primary power/ignition/key switch for electric lift truck control circuit |
Part Numbers
| Manufacturer Part Number | SW-91C |
| Cross-Reference Part Numbers | YT800076184; BA177MGP1; BABXRW22A2; LP393-4172; YT514826100; BA9007A02 |
| Equivalent Part Numbers | SW-91C is referenced alongside these equivalent part numbers in associated electric lift truck switch assemblies |
Frequently Asked Questions
Q: What is the SW-91C rotary key switch and what are its specifications?
A: The SW-91C is a rotary manual key switch designed for electric lift truck control circuits. It operates at low voltage DC up to 24VDC, features silver alloy contacts for reliable conductivity, and uses a panel mount design for easy integration.
Q: What cross-reference part numbers are equivalent to the SW-91C?
A: The SW-91C is interchangeable with part numbers YT800076184, BA177MGP1, BABXRW22A2, LP393-4172, YT514826100, and BA9007A02. Verify exact compatibility with your equipment control circuit before substituting.
Q: Which lift truck brands and models use the SW-91C?
A: The SW-91C is used in electric lift trucks from major manufacturers including Crown, Toyota, Raymond, Yale, Jungheinrich, and other OEM brands. Cross-reference your equipment serial number and schematic to confirm compatibility.
Q: Why are silver alloy contacts used in the SW-91C?
A: Silver alloy contacts provide superior electrical conductivity, minimal contact resistance, and reliable signal transmission in low-voltage DC circuits. This material resists oxidation and extends switch service life.
Q: How do I know if the SW-91C needs replacement?
A: Replace the SW-91C if the key does not turn smoothly, electrical contact becomes intermittent, the switch fails continuity testing, or if contacts appear corroded or pitted when removed.
Q: Is the SW-91C suitable for cold storage or wet floor environments?
A: The SW-91C is rated for standard industrial lift truck operations. For cold storage or high-moisture environments, verify environmental operating range and contact material specifications to ensure long-term durability in your specific application.