Product Description
Albright SW180-3 is a high-speed single pole DC contactor rated for 150A interrupted and 200A uninterrupted at 24VDC, designed for electric lift truck applications. Features silver alloy double-breaking contacts, M8 stud main terminals, 6.3mm spade coil connections, and robust mechanical durability.
Specifications
Electrical
| Coil Voltage | 24VDC nominal |
| Rated Current Interrupted | 150A |
| Rated Current Uninterrupted | 200A |
| Intermittent Current Rating (30% Duty) | 365A |
| Intermittent Current Rating (40% Duty) | 315A |
| Intermittent Current Rating (50% Duty) | 285A |
| Intermittent Current Rating (60% Duty) | 260A |
| Intermittent Current Rating (70% Duty) | 240A |
| Rated Fault Current Breaking Capacity (Icn) at 5ms | 1000A at 48VDC (no blowouts), 1000A at 96VDC (with blowouts) |
| Contact Voltage Drop (new, per pole at 150A) | 40mV |
| Coil Voltage Options | 6VDC – 240VDC (variant dependent) |
Mechanical & Construction
| Contact Type | Silver alloy double-breaking contacts |
| Main Contact Terminal | M8 threaded stud |
| Coil Connection Type | 6.3mm spade coil connections |
| Mechanical Durability | Over 5,000,000 cycles |
Identification
| Manufacturer Part Number | SW180-3 |
Frequently Asked Questions
Q: What are the interrupted and uninterrupted duty ratings for the AL SW180-3?
A: The AL SW180-3 is rated for 150A interrupted and 200A uninterrupted continuous duty. At 30 percent duty cycle it handles 365A, at 40 percent it handles 315A, at 50 percent it handles 285A, and at 60 percent it handles 260A.
Q: What coil voltage does the AL SW180-3 require?
A: The AL SW180-3 operates on 24VDC nominal coil voltage. This is the standard voltage for electric lift truck motor control circuits on equipment from Crown, Toyota, Raymond, Yale, and similar manufacturers.
Q: What terminal types does the AL SW180-3 feature?
A: The AL SW180-3 has M8 stud main terminals for motor power connections and 6.3 mm spade coil connections for control voltage. These terminals are industry standard on electric lift trucks.
Q: What type of contacts does the AL SW180-3 use?
A: The AL SW180-3 features silver alloy double-breaking contacts in a single pole configuration with normally open design. Silver alloy provides superior arc resistance and electrical conductivity for reliable DC motor switching.
Q: What is the mechanical life rating for the AL SW180-3?
A: The AL SW180-3 provides robust mechanical durability suitable for frequent motor control cycles in electric industrial trucks. The silver alloy contact construction supports extended operating life in demanding applications.