SW181
SP - DT
The SW181 has been designed for direct current loads, including motors as used on electric vehicles such as industrial trucks. Developed for both interrupted and uninterrupted loads, the SW181 is suitable for switching Resistive, Capacitive and Inductive loads.
The SW181 features single pole double throw, double breaking main contacts with silver alloy tips, which are weld resistant, hard wearing and have excellent conductivity. The SW181 has M8 stud main terminals and 6.3mm spade coil connections. It can be mounted via M4 tapped holes or mounting brackets – either supplied fitted, or as separate items. Mounting can be horizontal or vertical, 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.
Please note Normally Closed contacts are not suited to make and break load.
SW181 Technical Information
| Application | ||
| Thermal Current Rating | 150A | 150A |
| Intermittent Current Rating: | ||
| 30% Duty | 275A | 275A |
| 40% Duty | 235A | 235A |
| 50% Duty | 210A | 210A |
| 60% Duty | 195A | 195A |
| 70% Duty | 180A | 180A |
| Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant: (In accordance with UL583*) | ||
| Blowouts | 1000A at 96V D.C. | |
| No Blowouts | 1000A at 48V D.C. | |
| Rated Fault Current Breaking Capacity (Icn) Resistive Load: (In accordance with UL508*) | ||
| Blowouts | - | |
| No Blowouts | - | |
| Maximum Recommended Contact Voltages | ||
| Blowouts | 96V | - |
| No Blowouts | 48V | - |
| Typical Voltage Drop per pole across New Contacts at 150A | 40mV | |
| Mechanical Durability | > 5,000,000 Cycles | |
| Coil Voltage Available (Us) (Rectifier board required for A.C.) | 6 - 240V | |
SW181 Features
| Component | Configurations |
|---|---|
| Auxiliary |
STANDARD
STANDARD - GOLD
V3
V3 - GOLD
|
| Coil Suppression |
DIODE
DIODE AND RESISTOR
BI-DIRECTIONAL DIODE
|
| Coil Terminations |
AMP TAGS
FLYING LEADS
PLUG
VACCUM IMPREGNATION
|
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