Contactor for Electric Lift Truck - Fits Albright, Crown RR3000
AL DC182-561L
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Compatibility
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Product Description
The Albright DC182-561L is a heavy-duty motor reversing DC contactor designed for electric lift truck and industrial vehicle applications, featuring a 150A continuous rating, up to 275A intermittent, double breaking main contacts with silver alloy tips, and compatibility with a wide coil voltage range. Direct bracket mounting with M8 main terminals and robust construction ensure durability in demanding environments.
Specifications
Part Numbers & Compatibility
| Make | Albright, Crown |
| Model | RR3000 |
| Manufacturer Part Number | DC182-561L |
Electrical Specifications
| Continuous Current Rating | 150A |
| Intermittent Current Rating, 30% Duty Cycle | 275A |
| Intermittent Current Rating, 40% Duty Cycle | 235A |
| Intermittent Current Rating, 50% Duty Cycle | 210A |
| Intermittent Current Rating, 60% Duty Cycle | 195A |
| Intermittent Current Rating, 70% Duty Cycle | 180A |
| Coil Voltage Range | 6VDC to 240VDC |
| Typical Voltage Drop at Main Contacts | 40mV per pole at 150A |
Additional Specifications
| Typical Main Contact Changeover Time, NC to NO | 12ms |
| Typical Main Contact Changeover Time, NO to NC | 5ms |
| Typical Pull In Time | 30ms |
| Typical Drop Out Time (without Suppression) | 8ms |
| Contact Bounce Period | 3ms |
| Main Terminal Thread | M8 thread |
| Contact Type | Double breaking main contacts with silver alloy tips |
| Mechanical Durability | Exceeds 5,000,000 cycles |
| Model Number | DC182 |
Frequently Asked Questions
Q: What makes the AL DC182-561L suitable for industrial lift trucks?
A: The AL DC182-561L is designed for demanding reversing motor applications in industrial lift trucks. It features double breaking main contacts with silver alloy tips, M8 main terminals, and direct bracket mounting for reliable performance.
Q: Which lift truck brands is the AL DC182-561L compatible with?
A: The AL DC182-561L is compatible with Albright and Crown lift trucks, specifically models such as RR3000. Always verify your equipment's specifications to ensure proper fit and function.
Q: How durable is the AL DC182-561L in high-cycle applications?
A: The AL DC182-561L is built for long-term use and exceeds 5,000,000 mechanical duty cycles. Its double breaking contact design and silver alloy contact material provide superior arc suppression and extended contact life under frequent switching.
Q: What are the intermittent current ratings and duty cycles?
A: The AL DC182-561L supports 275A intermittent current at a 30 percent duty cycle and 235A at a 40 percent duty cycle. These ratings allow for higher transient currents during acceleration and deceleration cycles typical in lift truck operations.
Q: What is the silver alloy contact material used for?
A: Silver alloy contacts on the main terminals provide superior electrical conductivity, lower contact resistance, and enhanced arc extinguishing capability. This material withstands the high currents and switching stresses of motor reversing applications without excessive arcing or contact erosion.
Q: How should I replace the AL DC182-561L?
A: When replacing the AL DC182-561L, ensure you have the correct part number and verify compatibility with your lift truck model. Always refer to the manufacturer's specifications for proper installation.