Albright 24VDC Contactor for Electric Lift Truck Applicatio
SW88B-104L
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Compatibility
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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
Part Numbers & Compatibility
| Make | Albright, Yale, Curtis |
| Model | MP040AC, MPB040AC |
| Manufacturer Part Number | SW88B-104L |
| Equivalent Part Number | ALSW88B-104L |
| Part Number | SW88B-104L |
| Application | Electric lift truck applications |
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) |
| 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 |
| Thermal Current Rating | 100 A |
Performance Specifications
| Fault Breaking Capacity | 600 A at 80 VDC |
Additional Specifications
| 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 Durability | Greater than 5 million cycles |
| Mounting Orientation | Horizontal or vertical (M8 contact studs facing upward) |
| Main Contacts Type | Single pole double breaking |
| Terminal Type | M8 stud terminals |
Frequently Asked Questions
Q: What makes and models is the SW88B-104L compatible with?
A: The SW88B-104L is compatible with Albright, Yale, and Curtis electric lift trucks. It fits models such as MP040AC and MPB040AC.
Q: What material and durability features does the SW88B-104L offer?
A: The SW88B-104L is built with durable components designed for long-term use. It exceeds 5 million mechanical cycles, ensuring reliable performance in demanding environments.
Q: How do I know if the SW88B-104L is the right replacement part for my lift truck?
A: Verify compatibility with your specific lift truck model and electrical system. The SW88B-104L is engineered for electric lift truck motor control and supports both interrupted and uninterrupted dc loads.
Q: What are the contactor specifications for the SW88B-104L?
A: The SW88B-104L features single pole double breaking main contacts with m8 stud terminals. It is designed for reliable high-current switching in industrial motor reversing circuits.
Q: What are the duty cycle current ratings for the SW88B-104L?
A: The SW88B-104L has intermittent duty cycle ratings of 185a at 30%, 160a at 40%, and 140a at 50%. Select the appropriate rating based on your lift truck's operational needs.
Q: Is there an equivalent part number for the SW88B-104L?
A: The SW88B-104L is equivalent to alSW88B-104L. Ensure compatibility with your specific lift truck model before ordering.