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SW120

DP - ST

The SW120 has been designed for Direct Current loads, typical applications include motors as used on small electric vehicles such as light industrial trucks and powered cars. These contactors are not polarity sensitive thus they can be used for switching Alternating Current loads.

The SW120 features double pole double breaking main contacts with silver alloy tips, which are weld resistant, hard wearing and have excellent conductivity.  The SW120 has M8 stud main terminals and 6.3mm spade coil connections.  Mounting is via M5 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.

 

SW120 Technical Information

Application
InterruptedRating ( Ith )Uninterrupted
Thermal Current Rating 125A 125A
Intermittent Current Rating:
30% Duty 210A 210A
40% Duty 190A 190A
50% Duty 170A 170A
60% Duty 150A 150A
70% Duty 140A 140A
Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant: (In accordance with UL583*)
Blowouts -
No Blowouts 1000A at 80V D.C.
Rated Fault Current Breaking Capacity (Icn) Resistive Load: (In accordance with UL508*)
Blowouts -
No Blowouts -
Maximum Recommended Contact Voltages
Blowouts 0V 0V
No Blowouts 80V 96V
Typical Voltage Drop per pole across New Contacts at 100A 40mV

Mechanical Durability > 3,000,000 Cycles
Coil Voltage Available (Us) (Rectifier board required for A.C.) 6 - 240V

SW120 Features

Component Configurations
Auxiliary
STANDARD
STANDARD - GOLD
Coil Suppression
DIODE
DIODE AND RESISTOR
BI-DIRECTIONAL DIODE
Coil Terminations
AMP TAGS
FLYING LEADS
VACCUM IMPREGNATION

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  • The SW120 has the following optional components available: