Product Description
Albright SW180B-36 is a DC contactor designed for use in electric lift trucks and material-handling vehicles. Rated for 200A thermal current and up to 1000A fault breaking at 96VDC, the SW180B-36 features single-pole, normally open, double break contacts with silver alloy tips for superior conductivity and durability. The unit includes M8 main terminals and 36VDC coil, with mounting bracket supplied as zinc-coated steel. Magnetic blowouts are included for polarity sensitive, high-current DC inte
Specifications
Dimensional
| Bracket Mount Hole Pattern | Four M5 mounting holes |
Electrical
| Nominal Coil Voltage | 36VDC |
| Main Circuit Current (Intermittent 30% duty) | 365 amperes |
| Main Circuit Current (Intermittent 40% duty) | 315 amperes |
| Main Circuit Current (Intermittent 50% duty) | 285 amperes |
| Main Circuit Current (Intermittent 60% duty) | 260 amperes |
| Main Circuit Current (Intermittent 70% duty) | 240 amperes |
Part Numbers
| Manufacturer Part Number | SW180B-36 |
| OEM Part Number | SW180B-36 |
Performance
| Operating Orientation | Mounting horizontal or vertical (M8 studs should point up for vertical installation) |
Frequently Asked Questions
Q: What coil voltage does the AL SW180B-36 require?
A: The AL SW180B-36 operates on 36VDC coil voltage. This model is purpose-designed for 36V electric lift trucks and material-handling vehicles that cannot accept dual-voltage units.
Q: What is the thermal current rating for the AL SW180B-36?
A: The contactor is rated for 200A thermal (continuous) current. Intermittent ratings vary by duty cycle: 365A at 30% duty, 315A at 40% duty, 285A at 50% duty. This higher rating makes the SW180B-36 suitable for heavy-duty lift trucks and power distribution applications.
Q: What fault-breaking capacity does the AL SW180B-36 have?
A: The AL SW180B-36 can break up to 1000A fault current at 96VDC when magnetic blowouts are installed. This capability protects downstream circuits from severe short-circuit events.
Q: Does the AL SW180B-36 include magnetic blowouts?
A: Yes. Magnetic blowouts are included and are designed for high-current DC interruption and polarity-sensitive applications. The blowouts enhance arc quenching and increase fault-breaking capacity.
Q: What contact design does the AL SW180B-36 use?
A: The contactor features single-pole, normally open, double-break contacts with silver alloy tips. Double-break configuration increases contact separation distance and improves arc extinction during switching events.
Q: What mounting hardware is supplied with the AL SW180B-36?
A: A zinc-coated steel mounting bracket is supplied as standard. This bracket provides corrosion resistance in damp or outdoor equipment environments. M8 main terminals and standard fastening holes accommodate common lift-truck mounting patterns.