Product Description
Albright DC182-440L is a monoblock reversing contactor rated for 24VDC coil voltage and 150A thermal current, designed for electric lift trucks. Features interchangeable mounting with SW182 series, M8 main studs, and 6.3mm spade coil terminals. Provides fault current breaking up to 1000A at 48VDC, and auxiliary switching up to 5A. No external cross-reference part numbers are available; supersedes SW182 series with electrical and mechanical interchangeability.
Specifications
Electrical
| Coil Voltage | 24VDC |
| Thermal Current Rating | 150A |
| Contact Voltage Drop (at 150A) | Normally Open: 30mV, Normally Closed: 40mV |
| Maximum Contact Voltage | 48VDC (main contact circuit) |
| Fault Current Breaking | Up to 1000A at 48VDC |
| Auxiliary Contact Switching Capability (Resistive Load) | 5A at 24VDC, 2A at 48VDC |
| Coil Power Dissipation | Continuous: 10-15W; Intermittent: 30-40W; Highly Intermittent: 40-50W |
Performance
| Typical Pull-In Time | 30ms (coil energized to contact closure) |
| Typical Drop-Out Time | 8ms (without suppression diode) |
| Contact Bounce Period | 3ms |
Physical & Construction
| Design Type | Monoblock (integrated contacts and terminals) |
| Main Studs | M8 |
| Coil Terminals | 6.3mm spade |
| Interchangeable Mounting | With SW182 series |
Part Numbers
| Manufacturer Part Number | DC182-440L |
| Direct Replacement Part Number | DC182-440L |
| Supersedes | Supersedes SW182 series (mechanical and electrical interchange, mounting and wiring differences apply) |
Frequently Asked Questions
Q: What are the key specifications of the AL DC182-440L contactor?
A: The AL DC182-440L is a monoblock reversing contactor with a 24VDC coil voltage, 150A thermal current rating, M8 main studs, 6.3mm spade coil terminals, and fault current breaking capacity up to 1000A at 48VDC. Contact voltage drop at 150A is 30mV for normally open contacts and 40mV for normally closed contacts.
Q: Does the AL DC182-440L offer mechanical interchange with older contactors?
A: Yes. The AL DC182-440L supersedes the SW182 series with full mechanical and electrical interchangeability. However, mounting and wiring differences may apply. Review the OEM manual for your lift truck to confirm bracket fit and terminal routing.
Q: What is the coil power dissipation for continuous operation?
A: The AL DC182-440L has a continuous coil power dissipation of 10-1W. This low dissipation reduces heat generation and extends coil life in high-cycle applications common in electric lift trucks.
Q: What is the monoblock design and why does it matter?
A: Monoblock design means all contacts and terminals are integrated into a single housing. This provides superior mechanical strength, improved resistance to vibration and shock, and simplified mounting compared to modular contactors.
Q: Is the AL DC182-440L compatible with Crown, Toyota, and Raymond lift trucks?
A: The AL DC182-440L is compatible with electric lift trucks from Crown, Toyota, Raymond, Yale, Hyster, Jungheinrich, Linde, and Clark that require 24V, 150A reversing contactors with M8 terminals. Verify your equipment serial number and existing contactor specifications before ordering.
Q: What maintenance is required for this contactor?
A: Inspect the contactor contacts annually for wear, pitting, or discoloration. Check coil terminals and M8 studs for corrosion or loose connections. Clean contacts if they show light pitting. Replace the contactor if main contacts are excessively worn or if coil resistance changes significantly.