The SU190 is an up-rated variant of the SW190 Series of contactor primarily designed to switch heavy duty D.C. loads, however it is also capable of switching A.C. loads. The SU190 is suitable for switching Resistive, Capacitive and Inductive loads. Typical applications include electric motors, hydraulic power packs, winches, speed controllers and Power Distribution Systems.
The contactors feature double pole, double breaking main contacts with silver alloy tips, which are weld resistant, hard wearing and have excellent conductivity. The SU190 is easy to install, with M5 tapped holes in the switch frame or a variety of optional brackets available. Electrical connections follow industry standards, with M10 main terminal studs and an option for either 6.3mm standard spade terminals or flying leads on the coil assembly. Mounting can be vertical or horizontal, when vertical the M10 contact studs should point upwards. If the requirement is for downwards orientation we can adjust the contactor to compensate for this.
|Thermal Current Rating||250A||350A|
|Intermittent Current Rating:|
|Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant: (In accordance with UL583*)|
|Blowouts||1500A at 96V D.C.|
|No Blowouts||1500A at 48V D.C.|
|Rated Fault Current Breaking Capacity (Icn) Resistive Load: (In accordance with UL508*)|
|Blowouts||525A at 96V D.C.|
|No Blowouts||525A at 60V D.C.|
|Maximum Recommended Contact Voltages|
|Typical Voltage Drop per pole across New Contacts at 250A||40mV|
|Mechanical Durability||> 3,000,000 Cycles|
|Coil Voltage Available (Us) (Rectifier board required for A.C.)||6 - 240V|
DIODE AND RESISTOR
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