SW80B-552 Albright Single-acting Solenoid Contactor 48V Intermittent
£36.75 Excl. VAT (£44.10 Inc. VAT)
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Despatch: 9 to 12 Weeks
Weight: 400 g
Bar Code: DNA
Part Number: SW80B-552
Voltage: 48V DC
Coil type: Intermittent
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 SW80B-552 single-acting solenoid contactor, 48Vdc intermittent.
- The SW80 series of contactors has been designed for direct current loads, particularly motors as used on small electric vehicles such as light industrial trucks, powered invalid cars, etc.. They have double-breaking contacts with Silver-alloy contact tips, which are weld resistant, hardwearing and have excellent conductivity.
- They are economical in price and compare favourably with sealed automotive-style solenoid switches which cannot be serviced or inspected for contact wear.
- Repair contact kit part number: 2070-57.
- Auxiliary switch kit part number: 2070-124.
- No hardware fitted (No Zinc nuts and spring washers).
- Height, including terminals and coil base cap: 94mm.
- Coil width: 41mm.
- Cap width: 50.5mm.
- Cap depth: 39mm.
These contactors are of double break configuration and are fitted with magnetic blowouts (denoted by the 'B' suffix in the SW80 range) across both contact gaps. These enable high currents to be ruptured very quickly so that arcing time is reduced to a minimum. The fitting of blowouts makes the contacts polarity sensitive, and the Positive markings on the top cover of the contactor must be observed.
About Intermittent (Int.) SW80 Solenoids
Intermittent contactors, by design, are predominantly used for hydraulic functions on vehicles. They make and break quicker than continuous solenoids and are not recommended for prolonged contact periods.
The SW80 has M8 stud main terminals and 6.3mm spade coil connections. Mounting is via M4 tapped holes or by steel mounting brackets (supplied as separate items). Mounting can be horizontal or vertical. When vertical, the M8 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 ||NO - SP - ST |
|Voltage ||48V D.C. |
|Coil Type ||Intermittent |
|Amps ||100 Amps |
|Coil Resistance (Ohms) ||120 |
|Pull-In Voltage (V) ||29.0 Max. |
|Drop Out Voltage (V) ||12.0 Max. |
|Coil Power Dissipation (W) ||19.20 |
|Typical Pull-In Time ||20ms |
|Typical Voltage Drop Per Pole |
Across New Contacts At 100A
|Operating Ambient Temperature ||-40 to +60℃ |
|Weight ||400g |
|Application ||Interrupted ||Uninterrupted |
|Thermal Current Rating ||100A ||125A |
|Intermittent Current Rating: |
|30% Duty ||185A ||230A |
|40% Duty ||160A ||200A |
|50% Duty ||140A ||175A |
|60% Duty ||130A ||160A |
|70% Duty ||120A ||150A |
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