Harmony® 9001K Metal Control & Signaling Units

Square D Harmony® 9001K Metal 30mm Control and Signaling Units include pushbuttons, key-operated switches, joysticks, pilot lights, and operators. These robust and reliable products offer a number of certifications and meet IP66 and NEMA 4 ratings, making the 9001K series oil-tight, waterproof, and dust-tight. Colored contact blocks provide easy function identification, and bright LEDs ensure high visibility. Square D Harmony 9001K Metal 30mm Control and Signaling Units offer long-term reliability, making them ideal for heavy-duty industrial applications and extreme environments.

Electronic Components

Industrial Automation

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Square D Switch Cases / Switch Covers 30MM SLCTR SWTCH LOCKOUT COVER 92In Stock
$61.35
Min.: 1
Mult.: 1
Schneider Electric Potentiometers POTENTIOMETER 10KOHM 2W 30MM, K 3In Stock
5Expected 10/5/2026
$418.93
Min.: 1
Mult.: 1


Square D Switch Hardware PUSHBUTTON RING NUT 30MM TYPE K 11In Stock
$4.30
Min.: 1
Mult.: 1
Schneider Electric Joysticks 30MM JOYSTK 5 POSITION 12In Stock
$442.87
Min.: 1
Mult.: 1
Square D Switch Hardware 30MM GUARD FOR 41MM MSHRM KNOB 58In Stock
$97.46
Min.: 1
Mult.: 1
Schneider Electric Joysticks 30MM JOYSTK 2 POS 11In Stock
$361.18
Min.: 1
Mult.: 1


Square D Switch Hardware SLCTR SWTCH PADLOCK ATTACHMENT 30MM 1In Stock
$80.26
Min.: 1
Mult.: 1
Schneider Electric Potentiometers POTENTIOMETER 2.5 KOhms 3In Stock
2Expected 9/28/2026
$436.03
Min.: 1
Mult.: 1
Schneider Electric Potentiometers POTENTIOMETER 5KOHM 2W 30MM, K 4In Stock
$436.03
Min.: 1
Mult.: 1
Square D Switch Hardware PSH BTTN FLUSHPLATE 30MM TYPE K 3In Stock
6Expected 10/8/2026
$41.15
Min.: 1
Mult.: 1
Schneider Electric Joysticks 30MM JOYSTK 3 POSITION 2In Stock
5Expected 10/5/2026
$361.18
Min.: 1
Mult.: 1
Schneider Electric Joysticks JOYSTK 600VAC 10A 30MM, Type K 3In Stock
7Expected 10/5/2026
$623.47
Min.: 1
Mult.: 1
Schneider Electric Joysticks 30MM JOYSTK 5 POSITION 2In Stock
1Expected 10/30/2026
$442.87
Min.: 1
Mult.: 1
Square D Switch Hardware 30MM BLACK PLSTC BLANKING PLG 20In Stock
$20.50
Min.: 1
Mult.: 1
Square D Switch Hardware 30MM PSH BTTN LOCKOUT COVER 5In Stock
$61.35
Min.: 1
Mult.: 1


Square D Switch Hardware 30MM PSH BTTN COVER 11In Stock
$81.69
Min.: 1
Mult.: 1
Square D Switch Hardware 30MM PSH BTTN LOCKOUT COVER 5In Stock
$101.76
Min.: 1
Mult.: 1


Square D Switch Hardware PSH BTTN MSHRM GUARD 30MM, Type K 4In Stock
$81.69
Min.: 1
Mult.: 1
Schneider Electric Joysticks JOYSTK 600VAC 10A 30MM, Type K 3In Stock
$467.25
Min.: 1
Mult.: 1
Schneider Electric Joysticks 30MM JOYSTK 3 POS 5In Stock
4On Order
$361.18
Min.: 1
Mult.: 1
Square D Switch Hardware 30MM PUSH-ON PUSH-OFF MOD 5In Stock
$61.35
Min.: 1
Mult.: 1
Square D Switch Hardware 30MM WRENCH FOR RING NUT INSTALLATION 8In Stock
$61.35
Min.: 1
Mult.: 1


Square D Switch Hardware PSH BTTN RING NUT 30MM TYPE K3L 2In Stock
$26.52
Min.: 1
Mult.: 1
Square D Switch Hardware 30MM GUARD FOR 60MM MSHRM KNOB 1In Stock
$97.46
Min.: 1
Mult.: 1
Square D Switch Hardware PSHBTTN SCREW DRIVER 30MM SERIPLEX 2In Stock
$76.53
Min.: 1
Mult.: 1