Product Description
The Albright SW88B-104L is a 24VDC contactor engineered for electric lift truck applications, providing a 100A thermal current rating and a 600A fault breaking capacity at 80VDC. Features include single pole double breaking main contacts with M8 stud terminals, horizontal or vertical mounting capability, and high mechanical durability exceeding 5 million cycles. Suitable for both interrupted and uninterrupted DC motor loads.
Specifications
Electrical Specifications
| Coil Voltage | 24 VDC |
| Maximum Contact Voltage | 96 VDC |
| Typical Contact Voltage Drop (100A, new contact) | 40 mV (normally open), 50 mV (normally closed) |
| Coil Power Dissipation (Intermittent Duty) | 15 – 20 W |
| Coil Power Dissipation (Highly Intermittent) | 20 – 30 W |
| Coil Power Dissipation (Prolonged Rated) | 13 – 15 W |
| Coil Power Dissipation (Continuous Duty) | 7 – 13 W |
| Typical Pull-in Time | 20 ms |
| Typical Drop-out Time | 5 ms (without suppression), 50 ms (with diode) |
Mechanical Specifications
| Intermittent Current Rating (30% Duty) | 185 A |
| Intermittent Current Rating (40% Duty) | 160 A |
| Intermittent Current Rating (50% Duty) | 140 A |
| Intermittent Current Rating (60% Duty) | 130 A |
| Intermittent Current Rating (70% Duty) | 120 A |
| Mechanical Durability | Greater than 5 million cycles |
| Mounting Orientation | Horizontal or vertical (M8 contact studs facing upward) |
Part Numbers
| Manufacturer Part Number | SW88B-104L |
| Equivalent Part Number | ALSW88B-104L |
| OEM Part Number | SW88B-104L |
Frequently Asked Questions
Q: What is the voltage rating and fault breaking capacity of the SW88B-104L?
A: The SW88B-104L is rated 24VDC coil with maximum contact voltage of 96VDC. Thermal current is 100A and fault breaking capacity reaches 600A at 80VDC.
Q: What electric lift truck applications does this contactor support?
A: The SW88B-104L is engineered for electric lift truck motor control with both interrupted and uninterrupted DC loads. Single pole double breaking design provides reliable reversing and load switching.
Q: What mounting options and mechanical durability does it offer?
A: The SW88B-104L supports horizontal or vertical mounting and exceeds 5 million mechanical cycles, delivering high durability for demanding electric lift truck motor control duty.
Q: What are the intermittent duty cycle current ratings?
A: At 30% duty cycle capacity is 185A, 40% is 160A, and 50% is 140A. Select duty cycle rating based on your lift truck load profile and operational requirements.
Q: What terminal and contact specifications are included?
A: The SW88B-104L features M8 stud terminals with single pole double breaking main contacts designed for reliable high-current switching in industrial motor reversing circuits.
Q: What is the equivalent part number for the SW88B-104L?
A: The SW88B-104L is equivalent to ALSW88B-104L. Verify compatibility with your specific lift truck model and electrical system before ordering.