RU280-5001 Albright Single-acting 12V 350A Contactor - Intermittent
Despatch: 9 to 12 Weeks
Weight: 760 g
Bar Code: DNA
Part Number: RU280-5001
Voltage 12V DC
Coil type Intermittent
Pre-order and back-ordering is available with a current 9 to 12 weeks despatch. Telephone: +44 (0) 1924 823119 or Email us to discuss further requirements.
Albright RU280-5001 single-acting 12Vdc 350 Amps solenoid contactor, intermittent.
- The Reduced Silver series are suitable for applications where infrequent switching is specified. In such applications the degradation of the tip is minimal and therefore a higher volume of silver is unnecessary. Developed for Uninterrupted current applications the RU280 is typically used in line contactors or Power Distribution Systems.
- Contacts repair kit part number: 2182-919
- Auxiliary switch kit part number: 2155-352.
- Height including terminals and coil base cap: 132mm.
- Coil width: 45mm.
- Cap width: 67mm.
- Cap depth: 47mm.
About Intermittent (Int.) RU280 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 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 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 ||SPST NO |
|Voltage ||12V D.C. |
|Coil Type ||Intermittent |
|Amps ||350 Amps |
|Coil Resistance (Ohms) ||5 |
|Pull-In Voltage (V) ||7.0 Maximum |
|Drop Out Voltage (V) ||3.0 Maximum |
|Coil Power Dissipation (W) ||28.80 |
|Typical Pull-In Time ||30ms |
|Typical Voltage Drop Per Pole |
Across New Contacts At 100A
|Operating Ambient Temperature ||-40 to +60℃ |
|Weight ||755g |
|Application ||Uninterrupted |
|Thermal Current Rating ||350A |
|Intermittent Current Rating: |
|30% Duty ||640A |
|40% Duty ||555A |
|50% Duty ||495A |
|60% Duty ||450A |
|70% Duty ||420A |
Free UK Mainland Postage and Packaging
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