Albright International

RU80

NO - SP - ST

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.

The RU80 is an economical alternative to the SU80 in applications where switching requirements are Uninterrupted such as with line contactors or telecommunication and power distribution systems. In such applications, contact wear is minimal and the amount of silver in the tip can be selectively reduced.

The RU80 features single pole double breaking main contacts with silver alloy tips, which are weld resistant, hard wearing and have excellent conductivity. Due to the low switching nature of the contactor, servicing requirements are minimal, however spares are available. Mounting can be vertical or horizontal, when vertical the M8 contact studs should point upwards. If the requirement is for downwards orientation we can adjust the contactor to compensate for this.

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The RU80 has the following optional components available :

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Technical Information

Application Interrupted Uninterrupted
Thermal Current Rating - 200A
Intermittent Current Rating:
30% Duty - 365A
40% Duty - 315A
50% Duty - 285A
60% Duty - 260A
70% Duty - 240A
Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant: (In accordance with UL583*)
Blowouts 800A at 80V D.C.
No Blowouts 800A at 48V D.C.
Rated Fault Current Breaking Capacity (Icn) Resistive Load: (In accordance with UL508*)
Blowouts 300A at 96V D.C.
No Blowouts 300A at 60V D.C.
Maximum Recommended Contact Voltages
Blowouts 96V 96V
No Blowouts 48V 60V
Typical Voltage Drop per pole across New Contacts at 150A 40mV
Mechanical M.T.B.F >5000000 Operations
Coil Voltage Available (Us) (Rectifier board required for A.C.) 6 - 240V

Features

Component Configurations
Auxiliary
Auxilary---Standard
STANDARD
Auxilary---Gold
STANDARD - GOLD
Auxilary---V3
V3
Coil Suppression
Suppression---Diode
DIODE
Suppression---Resistor-and-Diode
DIODE AND RESISTOR
Suppression---Bi-Directional-Diode
BI-DIRECTIONAL DIODE
Coil Terminations
Coil Termination - Standard
AMP TAGS
Coil Termination - Flying Leads
FLYING LEADS
PLUG
Coil Termination - Vaccum Impreg
VACCUM IMPREGNATION
Mounting Options
Brackets - Top Hat
Top Hat Bracket Kit
Brackets---DIN
DIN Bracket Kit
Brackets---L
'L' Shaped Bracket Kit
Brackets---Curved
Curved Bracket Kit

Downloads

Resources
RU80 Catalogue Data Sheet Download
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