The SW301 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 SW301 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 SW301, however optionally it can be excluded from the specification. The SW301 is a compact contactor which can be busbar mounted vertically or horizontally, if mounted vertically the coil should be at the bottom.
| Application | ||
| 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 100A | 50mV | |
| Mechanical Durability | > 1,000,000 Cycles | |
| Coil Voltage Available (Us) (Rectifier board required for A.C.) | 6 - 240V | |
| Component | Configurations |
|---|---|
| Auxiliary |
STANDARD
STANDARD - GOLD
|
| Coil Suppression |
DIODE
DIODE AND RESISTOR
BI-DIRECTIONAL DIODE
|
| Coil Terminations |
FLYING LEADS
VACCUM IMPREGNATION
|
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