The SW520 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 SW520 features double breaking main contacts with silver alloy tips which are weld resistant, hard wearing and have excellent conductivity. Silver plating on the main contacts is standard for the SW520, however, optionally it can be excluded from the specification. This compact contactor can be busbar mounted vertically or horizontally, but 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.
|Thermal Current Rating||-||500A|
|Intermittent Current Rating:|
|Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant: (In accordance with UL583*)|
|Rated Fault Current Breaking Capacity (Icn) Resistive Load: (In accordance with UL508*)|
|No Blowouts||750A at 60V D.C.|
|Maximum Recommended Contact Voltages|
|Typical Voltage Drop per pole across New Contacts at 500A||50mV|
|Mechanical Durability||> 1,000,000 Cycles|
|Coil Voltage Available (Us) (Rectifier board required for A.C.)||6 - 240V|
STANDARD - GOLD
V3 - GOLD
DIODE AND RESISTOR
'L' Shaped Bracket Kit
M5 Tapped Holes
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