Providing essential status monitoring, this 100A K-Frame breaker includes a factory-installed 1A/1B auxiliary switch for advanced control schemes. The thermal-magnetic mechanism delivers reliable long-time and adjustable instantaneous (LI) protection for commercial systems. Built for unit-mount configurations, the device installs into traditional Square D motor control centers and panel enclosures. It features standard line and load lugs accommodating 4 AWG to 350 kcmil wiring.
Square D Enclosures, Switchboards, Motor Control Centers
Wire Gauge
4 AWG - 350 kcmil (Al/Cu)
Max Wire
350 kcmil
Min Wire
4 AWG
Protection and operation
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options
Shunt Trip, Undervoltage Release, Alarm Switch
Accessories
Auxiliary Switch (Factory Installed), Line and Load Lugs Included
Standards
CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval
CSA, IEC, UL
Temp Rating
40C
Construction Features
HACR Rated
Product FAQs
6 answers
What does the 1212 suffix mean on the KAL361001212?
The 1212 suffix indicates that the breaker includes a factory-installed 1A/1B auxiliary switch, which provides remote signaling of the breaker's contact status.
Is the KAL361001212 still manufactured, or is there a modern replacement?
The KAL series is a legacy K-Frame breaker. For new installations or system upgrades, it is typically replaced by the modern Square D PowerPacT H-Frame series. Note that retrofit kits or panel modifications may be required when upgrading.
What type of panels or enclosures is this breaker compatible with?
This unit mount breaker is designed for installation in compatible Square D enclosures, QED switchboards, and motor control centers. It is a feed-thru style breaker and is not compatible with I-Line panelboards.
Does the KAL361001212 have adjustable trip settings?
Yes, it features an adjustable magnetic trip unit for instantaneous short-circuit protection. The thermal long-time protection is fixed at 100 amps.
Are the standard lugs on the KAL361001212 rated for aluminum wire?
Yes, the included lugs are dual-rated for both aluminum and copper conductors, accepting wire sizes from 4 AWG to 350 kcmil.
Can the KAL361001212 be used in DC circuits?
Yes, this breaker is rated for use in DC applications up to 250VDC, where it provides a 10kA interrupting rating.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 3 reviews.