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
Electrical
| 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 |
| Main Contact Fault Breaking Capacity | 800A at 48VDC (no blowouts), 600A at 80VDC (with blowouts) |
| Coil Power Dissipation (intermittent) | 15–20 Watts |
Part Numbers
| Manufacturer Part Number | SW88-3 |
| OEM Part Number | SW88-3 |
Performance
| 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) |
Frequently Asked Questions
Q: What is the coil voltage and thermal current rating for the SW88-3?
A: The SW88-3 operates at 12VDC intermittent duty with a 100A thermal current rating. Intermittent current capacity is 185A at 30% duty cycle, 160A at 40% duty cycle, and 140A at 50% duty cycle.
Q: What equipment does the SW88-3 contactor fit?
A: The SW88-3 is designed for electric lift trucks and industrial vehicles using motor reversing circuits. It is compatible with standard SW80-series paired motor reversing applications.
Q: What contact and terminal specifications does the SW88-3 have?
A: The SW88-3 features silver alloy double-breaking main contacts rated for double-acting DC reversing duty with M8 stud terminals providing secure high-current connections.
Q: Are there cross-reference part numbers for the SW88-3?
A: Yes. Cross-references include SW88 and SW88B-series contactors. These are functionally equivalent for electric lift truck motor reversing applications.
Q: What is the mechanical durability and lifespan of the SW88-3?
A: The SW88-3 provides proven mechanical endurance suitable for demanding motor reversing circuits. Cycle life performance supports continuous use in electric lift truck applications.