The SW250 is designed for use in telecommunications 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 SW250 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 SW250, however optionally it can be excluded from the specification. The SW250 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.
|Thermal Current Rating||-||250A|
|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||375A at 60V D.C.|
|Maximum Recommended Contact Voltages|
|Typical Voltage Drop per pole across New Contacts at 250A||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
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