586-105111 Relay (White-Rodgers High-Power DC Contactor)

The 586-105111 is a 12V high-power DC electromagnetic contactor (starter relay) manufactured by White-Rodgers, a division of Emerson. It is specifically designed for applications involving starter motors, battery packs, high-current electric motors, forklifts, golf carts, and similar scenarios, enabling the control of high-current circuits using a low-current signal. I. Core Parameters (Authoritative Specifications)

Model: 586-105111 / 586105111

Brand: White-Rodgers (Emerson)

Type: High-Power Solenoid Contactor

Rated Voltage: 12V DC

Contact Form: Single Pole, Single Throw, Normally Open (SPNO)

Rated Current: 200A Continuous; 600A Instantaneous Peak

Connection Method: 4 Stud Terminals (No standard 85/86/30/87 pins)

Contact Material: Silver Alloy (Abrasion-resistant, Low Contact Resistance)

Protection Rating: Epoxy Encapsulated, IP65 (Dust-proof, Oil-resistant, Vibration-resistant)

Operating Temperature: -40°C to +125°C

Mechanical Life: ≥ 500,000 Cycles

Replacement Models: 586-902, 586-105111-3, 586-105111S1 (Directly interchangeable with identical specifications)

III. Compatible Equipment & Application Scenarios

Vehicles: Yamaha/Club Car/EZGO Golf Carts, Forklifts, Aerial Work Platforms (Genie/JLG), Modified Vehicles, Light Construction Machinery

Industrial: Generator Sets, Battery Bank Switching, DC Motor Starting, High-Power Solenoid Control

Construction Machinery: Caterpillar 12V Starting Systems, Small Excavators/Loaders (Replaces OEM starter relays)

V. Selection & Installation Guidelines

Voltage Matching: Must be 12V DC; strictly prohibited for use in 24V systems

Current Matching: Load continuous current ≤ 200A; instantaneous peak ≤ 600A

Wiring Standards: Use cables ≥ 16mm² for the main circuit; tighten stud terminals to a torque of 60 in-lbs

Installation Protection: Keep away from high heat and oil/grease; ensure proper waterproofing/sealing and secure mounting