1SFN010820R1011 CAL19-11, ABB Auxiliary Contact, 4 Contact, 2NC + 2NO, Side Mount

ABB Auxiliary Contact, Screw Terminal Type, 0.15W Power Dissipation - CAL19 Series - 1SFN010820R1011

Want to keep close tabs on your contactor? Install this auxiliary contact from ABB to watch over it. It monitors the state of the contacts in your primary switching mechanism and notifies the control system when it senses a change. The unit's designed to fit neatly beside your switch, achieving a compact arrangement and freeing up space at the front. As it handles a switching frequency of 300 cycles per hour, it's a trusty workmate for fast-paced activities.

Features & Benefits

• High protection against transient overvoltage, thanks to its 6kV rated impulse withstand voltage
• Low power dissipation per pole of 0.15W for energy efficiency
• Screw terminals ensure a stable and vibration-resistant electrical connection

Applications

• Electric motors
• Medical technology
• Agricultural equipment
• Lighting control

How durable is this contact?

Thanks to its mechanical durability rating of 5 million operating cycles, it's built to last a long time and calls for minimal maintenance.

How big is the unit?

This contact has compact external dimensions of 67.3 (H) x 79 (W) x 14.9mm (D), so it slots into standard enclosures without any problem.

Auxiliary Contact Block Data Sheet

Application Note - Contactor Based Automatic Transfer Switch Solutions

Brochure - AF40 ... AF80 4-Pole Contactors

Catalogue - Low Voltage Product Book