Product Description
Hyster HY 3052440 Key Switch. OEM replacement key switch for Hyster electric lift truck models including the W40Z. Features a brass body, spring-return actuation, rated for 24VDC, 2-position switch with 2-pin blade terminal connectors. Supersedes Hyster 3005833 and interchangeable with 3057444, 3066611, 3135133, and 3144146. Mechanical endurance rated to 50,000 cycles. Compatible with panel thickness from 1.2 mm to 4 mm.
Specifications
Electrical
| Switch Type | Spring-return, 2-position key switch |
| Rated Voltage | 24VDC |
| Contact Rating | 10A at 24VDC |
| Connector Type | 2-pin blade terminal |
Material
| Construction Material | Brass body with stainless steel lock barrel |
| Key Construction | Nickel-plated steel, integral grip head |
| Insulation | Phenolic molded insulation per ASTM D709 |
Part Numbers
| OEM Part Number | HY 3052440 |
| Cross-Reference Part Numbers | 3057444, 3066611, 3135133, 3144146 |
| Supersedes | 3005833 |
| Equivalent Part Numbers | 3057444, 3066611 |
| Compatible Models | Hyster W40Z electric pallet truck |
Performance
| Duty Cycle | Continuous, 120 cycles/hour |
| Service Factor | 1.0 |
| Mechanical Endurance | 50,000 cycles |
| Electrical Endurance | 30,000 cycles at rated voltage |
Frequently Asked Questions
Q: What Hyster models is the HY 3052440 key switch compatible with?
A: The HY 3052440 is an OEM replacement key switch for Hyster W40Z electric pallet trucks and other 24VDC Hyster models. It supersedes part 3005833 and is interchangeable with 3057444, 3066611, 3135133, and 3144146.
Q: What is the voltage rating and switch type of the HY 3052440?
A: The HY 3052440 is rated for 24VDC operation with a 2-position spring-return key switch configuration. It features 2-pin blade terminal connectors and a brass body construction rated for 50,000 mechanical cycles.
Q: What panel thickness does the HY 3052440 accommodate?
A: The HY 3052440 mounting thread accommodates panel thickness from 1.2 mm to 4 mm. Verify your control panel dimensions before ordering to ensure proper fit and secure mounting.
Q: What cross-reference numbers are equivalent to the HY 3052440?
A: The HY 3052440 is directly interchangeable with Hyster part numbers 3057444, 3066611, 3135133, and 3144146. It also supersedes the older Hyster part 3005833.
Q: How long does the HY 3052440 typically last before needing replacement?
A: With 50,000 mechanical cycle endurance rating, the HY 3052440 typically lasts 3 to 5 years under normal warehouse duty. Frequent activation or corroded contacts may shorten lifespan.
Q: What terminal type does the HY 3052440 use?
A: The HY 3052440 uses 2-pin blade terminal connectors. Ensure crimped connectors or direct solder connections match the 0.25-inch blade spade terminal standard.