COLE HERSEE part description

Cole Hersee toggle switches are manufactured in many different configurations. They're available with ball, short or long handles, paddle and illuminated actuators. Housing are plastic, plastic/metal combination or die cast. Weather resistant options are available that make any standard toggle switch adaptable for use in applications where moisture, dirt and similar elements are present.
Toggle switch accessories include weather resistant boots, face plates, switch guards, and handle extensions.
All products listed in this section can be found in Section B of the Cole Hersee D-275 CATALOG.
  • Universal applicationIn Engineering, an application refers to a specific use for a device. For example, a Cole Hersee brand LVD finds an application in police cruisers (as well as many other uses)..
  • Diecast housing.
  • For stem- or bracket-mounting.
  • 15/32" -32 thread mounting stem, with keywayIn toggle switches, a groove cut across the threads of the mounting stem. Toggle switches are generally mounted ithrough a circular hole in the panel, and secured by tightening a nut against the panel. Sometimes the nut can loosen ciusing rotation of the switch. Some panels are pre-cut with holes that have a small projection which engages with the keyway, thus preventing potentiol switch rotation..
  • Brackets: .170" (4.3mm) diameter holes, 1.72" (43.7mm) on centers.
  • Fits panels up to 3/16" (4.8mm) thick.
  • Chrome plated brass handle, 1 1/16" long (27.0mm).
  • Steel screw terminals.
  • Plated steel hexnut.
  • 6-12V DC, 15A at 24-36V DC.
  • Silver-plated contactsA pair of devices that touch or come apart at the point where the switch throw makes or breaks the circuit. Silver contacts are common because of their low conductivity and low electrical resistance. Many Cole Hersee switches have silver contacts..
  • Up: On, Center: Off. Two screw terminals.
Switch type Toggle
Description Heavy Duty Toggle Switch
Circuitry SPST
Electrical Rating 30A at 6-12V DC, 15A at 24-36V DC
Contacts Silver plated
Housing Zinc-plated die cast
Up position On
Center position Off
Down position None
Terminals 2 screw
Handle material Chrome-plated brass
Handle type Standard / long
Handle size: inches 1-1/2" Long
Handle size: mm 26.98mm
Mounting hardware Plated steel hex nut
Mounting stem material Bright zinc-plated die cast
Mounting stem dimmensions 15/32" -32 thread, .240" (6.09mm) Long with keyway
Mounting hole dimension Flange Mount: 2 0.170" (4.32mm) dia. holes on 1.72" (43.69mm) centers
Panel thickness Up to 3/16" (4.76mm) thick
Min qty No

Cole Hersee Extra Heavy Duty Switch

The Cole Hersee 551 Extra Heavy Duty Series switch offers reliability in demanding applications and operating environments. They are suitable for heavy duty and commercial vehicles and equipment.

Features & Benefits

  • Versatile design that’s suitable for use with various types of actuators and circuitries
  • Heavy duty diecast housing with chrome-plated brass handle
  • Can be mounted on stem or bracket configurations
  • Mounting, body, and actuator are engineered for ease-of-use

COLE HERSEE 551840 Cross Reference

We have 3 alternatives for the 551840 by COLE HERSEE:

Cole Hersee® is highly valued in the heavy duty truck industry. It is a leading manufacturer of heavy-duty battery master switches that are widely used as OE equipment by leading heavy-duty vehicle manufacturers. These switches are essential safety components for trucks as they help prevent theft, tampering, electrical fires, and battery drain. Founded in 1924, Cole Hersee is committed to improving vehicle safety by partnering with ECCO Safety Group Australia (ESGA) to establish and implement safety standards for trucks that drive onto mining sites. Its products are also manufactured in its ISO 9001:2008-certified facility and undergo strict testing to ensure safety and reliability.

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