Product Description
The Albright AL SW180L-36 is a heavy-duty DC contactor engineered for electric lift truck motor control. Rated at 36VDC or 48VDC coil voltage with 200A continuous current capacity, it features M8 main terminals and silver alloy contacts for superior conductivity and arcing resistance. Designed for demanding industrial vehicle applications requiring reliable multi-million cycle switching performance.
Specifications
Physical Specifications
| Coil Voltage | 36VDC or 48VDC nominal |
| Rated Contact Circuit Voltage | 6 to 80 VDC |
| Continuous Current Rating | 200A continuous |
| Peak Current Rating | 400A peak |
| Current Rating at 30% Duty Cycle | 365A |
| Current Rating at 40% Duty Cycle | 315A |
| Current Rating at 50% Duty Cycle | 285A |
| Current Rating at 60% Duty Cycle | 260A |
| Current Rating at 70% Duty Cycle | 240A |
| Coil Power Consumption | 11 to 14 W |
| Dielectric Strength | 1000V AC at 50Hz for 1 minute |
| Voltage Drop at 150A | ≤40 mV |
| Rated Fault Current Breaking Capacity (5 ms) | 1000A at 48VDC (no blowouts); 1000A at 96VDC (with blowouts) |
| Typical Operating Time | ≤30 ms |
| Main Terminal Type | M8 main stud terminals |
| Contact Material | Silver alloy contacts |
| Mechanical Life | Over 5,000,000 operations |
| Contact Design | Double breaking contacts |
Frequently Asked Questions
Q: What is the coil voltage and current rating for AL SW180L-36?
A: The AL SW180L-36 is rated for 36VDC or 48VDC nominal coil voltage with a 200A continuous current rating. Peak current capacity reaches 400A, and the contactor is designed for 6 to 80 VDC contact circuit voltage. This heavy-duty specification suits demanding electric lift truck motor control applications.
Q: Which electric lift truck brands use the AL SW180L-36?
A: The AL SW180L-36 is compatible with electric lift trucks and industrial vehicles from Crown, Toyota, Raymond, Hyster, Jungheinrich, Linde, and similar OEM manufacturers. Verify your equipment model and nameplate voltage (36V or 48V system) before ordering to ensure correct fitment.
Q: What are the cross-reference part numbers for the AL SW180L-36?
A: Cross-reference part numbers include ALSW180-36, ALSW18036, and SW18036. Equivalent parts are listed under the SW180 series. The manufacturer part number is AL SW180L-36 and the OEM part number is SW180L-36. Cross-verify coil voltage (36V or 48V) and current ratings when sourcing alternatives.
Q: What terminal type and contact material does the AL SW180L-36 use?
A: The AL SW180L-36 features M8 main stud terminals with silver alloy contacts. The silver alloy construction provides superior electrical conductivity and arcing resistance, enabling reliable performance through thousands of motor control and load-switching cycles in industrial applications.
Q: What is the mechanical lifespan and durability of this contactor?
A: The AL SW180L-36 is engineered for heavy-duty electric lift truck applications and delivers over 5,000,000 mechanical operations. The double breaking contact design and welded-resistant silver alloy material resist erosion and contact welding, maintaining reliable switching performance through extended service intervals.
Q: What maintenance steps should be taken for the AL SW180L-36?
A: Inspect M8 terminal connections for corrosion, oxidation, or looseness during routine equipment maintenance. Check coil voltage periodically to confirm it falls within rated specification. If the contactor does not pull in at rated voltage or exhibits sluggish operation, contact us for replacement evaluation. Clean accessible terminals with electrical contact cleaner if oxidation is visible.