Albright International

RW300

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 RW300 is designed for use in telecommunication and power distribution applications where an uninterrupted load is switched. These contactors are primarily for use with Direct Current loads but can also be used with Alternating Currents.

The RW300 features double breaking main contacts with silver alloy tops which are weld resistant, hard wearing and have excellent conductivity. Silver plating on the main contacts is optional for the RW300. The RW300 is a compact contactor which can be busbar mounted vertically or horizontally, if mounted vertically the coil should be at the bottom. If the coil is required at the top, we can adjust the contactor to compensate for this.

 

 

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The RW300 has the following optional components available :

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Technical Information

Application Interrupted Uninterrupted
Thermal Current Rating - 300A
Intermittent Current Rating:
30% Duty - 550A
40% Duty - 475A
50% Duty - 425A
60% Duty - 385A
70% Duty - 360A
Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant: (In accordance with UL583*)
Blowouts -
No Blowouts -
Rated Fault Current Breaking Capacity (Icn) Resistive Load: (In accordance with UL508*)
Blowouts -
No Blowouts 450A at 60V D.C.
Maximum Recommended Contact Voltages
Blowouts - -
No Blowouts - 60V
Typical Voltage Drop per pole across New Contacts at 300A 50mV
Mechanical M.T.B.F >1000000 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
Auxilary---V3---Gold
V3 - GOLD
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
Coil Termination - Vaccum Impreg
VACCUM IMPREGNATION
Mounting Options
Brackets---L
'L' Shaped Bracket Kit

Downloads

Resources
RW300 Catalogue Data Sheet Download
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