SU280-1240 Albright Single Acting 24V 250A Contactor - Highly Intermittent
Pre-order
Despatch: 6 to 8 Weeks |
Weight: 750 g
Model: SU280-1240
Bar Code: DNA
Part Number: SU280-1240
Brand: Albright
Colour: Black
Voltage: 24V DC
Amperage: 250A
Material: Copper/Silver/Bakelite/Steel
Coil type: Highly Intermittent
| Pre-order and back-ordering are available with a 6 to 8 week lead time. Telephone: +44 (0) 1924 823119 or Email us to discuss further requirements. |
SU280-1240 single acting 24-volt dc 250 amp highly intermittent (HO) solenoid contactor.
- The SU280 series of contactors has been designed for direct current loads, particularly motors as 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, hard wearing and have excellent conductivity.
- Auxiliary switch kit part number: 2155-352.
Dimensions
- Height including terminals and coil base cap: 132mm.
- Coil width: 45mm.
- Cap width: 67mm.
- Cap depth: 47mm.
About Highly Intermittent (HO.) SU280 Solenoids
Highly Intermittent Services up to 25% duty cycle and up to 3 minutes continuous energisation. Highest power in coil allows for a stronger return spring to be used, giving good switching characteristics.
The contactors have double breaking main contacts with silver alloy tips, which are weld resistant, hard wearing 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 - opening and closing on load with frequent switching (results in increased contact resistance). |
| Uninterrupted current - no or infrequent load switching requirements (maintains a lower contact resistance). |
Specifications
| Device Type | SU280 SPST NO |
| Voltage | 24V D.C. |
| Coil Type | Highly Intermittent |
| Amps | 250 amp |
| Coil Resistance (Ohms) | 13 |
| Pull-In Voltage (V) | 14.5 Maximum |
| Drop Out Voltage (V) | 6.0 Maximum |
| Coil Power Dissipation (W) | 44.31 |
| Typical Pull-In Time | 30ms |
Typical Voltage Drop Per Pole
Across New Contacts At 100A | 40mV |
| Operating Ambient Temperature | -40 to +60℃ |
| Weight | 755g |
| 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 |
Free UK Mainland Postage and Packaging  Free UK Mainland delivery discount is selectable on your shopping cart page; a £50.00 minimum order value is applicable for the Free Delivery Service, with a variable low Standard Rate shipping charge for smaller consignments.
Despatch methods for Standard and Free UK Delivery Service include light, low-value orders despatched via Royal Mail standard or recorded delivery, with large and high-value orders despatched via UPS and Parcel Force courier services.
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International Consignments International orders and consignments require the exact Card Holder Address (Invoicee) as the first address for payment processing. PO Box addresses are not acceptable as delivery addresses by some couriers.
Export orders will only be accepted when placed online. |
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