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COLE HERSEE part description

For 12V DC systems. 8 ohm. Ceramic insulator with embedded coil for effective heat dissipation. 7/16” -28 thread mounting stem, 15/32” (11.9mm) long. Plated steel case, 1.32” (33.5mm) diameter, 0.88” (22.4mm) long. Black plastic knob with metal insert and set screw. With round/bar black knob. Two screw terminals.

Property Value
Case material Plated Steel
Description 8 Ohm Heavy Duty Rheostat Switch with black knob - screw terminals
Contact ratings 12 V DC 8 Ohm
Number of key positions 3
Key positions Off; Dim/Low; Bright/High
O-Ring seal in stem No

Cole Hersee Rotary Switch

The Cole Hersee Rotary Switch is suited for heavy duty applications within harsh environments. Its mounting, body, and actuator are designed for ease of use and durability.

Features & Benefits
  • High-quality coil with ceramic insulator for improved heat dissipation
  • Rust-resistant plated steel case with metal insert and screw
  • Unique geometry allows for use in various configurations including dedicated circuit control and system disconnect
  • Black plastic bar knob with ergonomic design for convenient access

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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