Product Description
Albright SW88-3 double-acting DC contactor rated for 12VDC intermittent duty, 100A thermal current, with M8 stud main terminals, silver alloy double-breaking main contacts, and proven mechanical endurance for motor reversing circuits in electric lift trucks and industrial vehicles. Cross-references include SW88 and SW88B-series, compatible with standard SW80-series paired motor reversing applications.
Specifications
Part Numbers & Compatibility
| Make | Albright, Curtis |
| Manufacturer Part Number | SW88-3 |
| Part Number | SW88-3 |
| Application | Motor reversing circuits in electric lift trucks and industrial vehicles |
| Cross References | SW88 and SW88B-series, compatible with standard SW80-series |
Electrical Specifications
| Nominal Coil Voltage | 12VDC intermittent duty |
| Intermittent Current Rating (30% duty) | 185A at 12VDC |
| Intermittent Current Rating (40% duty) | 160A at 12VDC |
| Intermittent Current Rating (50% duty) | 140A at 12VDC |
| Intermittent Current Rating (60% duty) | 130A at 12VDC |
| Intermittent Current Rating (70% duty) | 120A at 12VDC |
| Thermal Current Rating | 100A |
Performance Specifications
| Main Contact Fault Breaking Capacity | 800A at 48VDC (no blowouts), 600A at 80VDC (with blowouts) |
Additional Specifications
| Coil Power Dissipation (intermittent) | 15–20 Watts |
| Service Life | >5,000,000 operations (mechanical) |
| Typical Pull-in Time (NO contacts close) | 20ms |
| Typical Drop-Out Time | 5ms (without suppression), 8–50ms (with suppression) |
| Main Terminal Type | M8 stud |
| Contact Material | Silver alloy |
Frequently Asked Questions
Q: Which makes and models is the SW88-3 compatible with?
A: The SW88-3 is compatible with Albright and Curtis electric lift trucks and industrial vehicles using motor reversing circuits.
Q: What materials are used in the construction of the SW88-3?
A: The SW88-3 is constructed with silver alloy double-breaking main contacts and M8 stud terminals for secure high-current connections.
Q: How long can the SW88-3 last under normal operating conditions?
A: The SW88-3 is designed for long-term durability and provides proven mechanical endurance suitable for continuous use in motor reversing applications.
Q: Are there alternative part numbers that can be used as replacements for the SW88-3?
A: Yes, cross-references include SW88 and SW88B-series contactors, which are functionally equivalent for motor reversing applications.
Q: What type of duty cycle is the SW88-3 rated for?
A: The SW88-3 is rated for intermittent duty cycles, with specific current capacities at different duty cycle percentages.