SU288-3 Albright 28Vdc Bank of 3 Single Pole Solenoid Contactors - Continuous
£217.86 Excl. VAT (£261.43 Inc. VAT)
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Despatch: 9 to 12 Weeks
Weight: 2.10 kg
Bar Code: DNA
Part Number: SU288-3
Voltage: 28V DC
Coil type: Continuous
Pre-order and back-ordering is available for all Albright out-of-stock items, with a current 9 to 12 weeks despatch.
Telephone: +44 (0) 1924 823119 or Email us to discuss further requirements.
Albright SU288-3 28Vdc 250 Amps single-acting solenoid contactors in a strapped bank of 3, continuous.
- The SU288 is a strapped SU280 series of contactors, that have been designed for direct current loads, particularly motors used on small electric vehicles such as industrial trucks, airport tractors, etc.; they have double-breaking contacts with Silver-alloy contact tips, which are weld resistant, hardwearing and have excellent conductivity.
- 3 SU280 contactors strapped together to form a bank on one common bracket.
- Enclosed top covers fitted.
- Diode supression fitted.
- Tripple link fitted accross the Negative (-)
- Height 128mm.
- Width: 190.5mm.
- Depth: 74mm.
About Continuous (CO.) SU280 Solenoids
Continuous contactors, by design, are predominantly used for drive functions on vehicles; they make and break slower than intermittent solenoids and are recommended for prolonged contact periods.
The contactors have double-breaking main contacts with Silver-alloy tips, which are weld resistant, hardwearing and have excellent conductivity. They are easy to install, with M5 tapped holes in the switch frame together with a range of available mounting brackets. Mounting can be vertical or horizontal. When vertical, the M10 contact studs should point upwards.
|Interrupted Current: The opening and closing on load with frequent switching (resulting in increased contact resistance). |
|Uninterrupted Current: No or infrequent load switching requirements (maintains a lower contact resistance). |
|Device Type ||SP - ST - NO |
|Voltage ||28V D.C. |
|Coil Type ||Continuous |
|Amps ||250 Amps |
|Coil Resistance (Ohms) ||54 |
|Pull-In Voltage (V) ||18.0 Max. |
|Drop Out Voltage (V) ||7.0 Max. |
|Coil Power Dissipation (W) ||14.52 |
|Typical Pull-In Time ||30ms |
|Typical Voltage Drop Per Pole |
Across New Contacts At 100A
|Operating Ambient Temperature ||-40 to +60℃ |
|Weight ||2.1kg |
|Application ||Interrupted ||Uninterrupted |
|Thermal Current Rating ||250A ||350A |
|Intermittent Current Rating: |
|30% Duty ||450A ||640A |
|40% Duty ||395A ||555A |
|50% Duty ||355A ||495A |
|60% Duty ||325A ||450A |
|70% Duty ||300A ||420A |
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