RU280-5077P Albright Single-acting 72V 350A Contactor - Intermittent IP66

£74.19  Excl. VAT
  (£89.03 Inc. VAT)
 Excl. VAT

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Pre-order
Despatch: 9 to 12 Weeks

Weight:  750 g





Model:  RU280-5077P
Bar Code:  DNA
Part Number:  RU280-5077P
Brand:  Albright
Colour:  Black
Voltage:  72V DC
Amperage:  350A
Material:  Copper/Silver/Bakelite/Steel
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 RU280-5077P single-acting 72Vdc 350 Amps solenoid contactor, protected to IP66, 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 RU280P is typically used in line contactors or Power Distribution Systems.

Dimensions

  • Height including terminals and coil base cap: 132mm.
  • Coil width: 45mm.
  • Cap width: 67mm.
  • Cap depth: 47mm.

About Intermittent (INT.) RU280P 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. The RU280P offers greater environmental protection (IP66) and is easy to install, with M5 tapped holes in the switch frame together with a range of mounting brackets available. To ensure IP66, mounting holes are not accessible on the opposite side of the mounting bracket. 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).

Specifications

Device Type SPST NO
Voltage 72V D.C.
Coil Type Intermittent
Amps 350 Amps
Coil Resistance (Ohms) 150
Pull-In Voltage (V) 43.0 Maximum
Drop Out Voltage (V) 18.0 Maximum
Coil Power Dissipation (W) 34.56
Typical Pull-In Time 30ms
Typical Voltage Drop Per Pole
Across New Contacts At 100A
40mV
Operating Ambient Temperature -40 to +60℃
Protection IP66
Weight 755g
Application Uninterrupted
Thermal Current Rating 350A
Intermittent Current Rating:
30% Duty 660A
40% Duty 555A
50% Duty 495A
60% Duty 450A
70% Duty 420A

 





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We use Royal Mail Standard or Recorded Delivery for light, low-value orders and we use UPS, Parcel Force, and other major courier services for larger and more valuable consignments.

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