Bare Cylinder Block Replacement for Cummins B3.3, QSB3.3, CM2150 (OE# 4941114, 4941115, 4941116) - Durable - Aftermarket Brand

12V 400A DC Contactor SW202 for Electric & Industrial Equipment Description:
Engineered for high-performance DC applications, the SW202 12V-400A contactor is ideal for demanding environments such as electric vehicles, forklifts, industrial trucks, and airport tractors. Built with reliability and safety in mind, this contactor ensures secure switching of DC motor loads, even under high current and voltage stress.
Key Features:
Rated Current: 400 Amps Handles heavy DC loads with consistent, stable performance.
Coil Voltage: 12V DC Ideal for most standard EV and battery-powered industrial applications.
Double Pole, Changeover Contacts Provides flexible switching with magnetic blowouts to suppress arcing.
Silver Alloy Contact Tips Weld-resistant, hard-wearing, and highly conductive for minimal power loss and longer life.
Wide Contact Voltage Range: 6 - 0V DC contact circuit rating supports a broad range of system voltages.
Coil Power Consumption: 11 - 5W energy efficient while maintaining reliable operation.
Voltage Drop: 鈮?0mV at 100A ensures low resistance across contacts for high efficiency.
Dielectric Strength: 1000V AC for 1 min at 50Hz built to withstand harsh electrical environments.
Performance & Longevity:
Mechanical Life: Up to 100,000 cycles
Electrical Life: Rated for 20,000 switching operations under full load
Response Time: Contact make/break time >30ms, for safe and reliable actuation
Why Choose the SW202 12V 400A Contactor?
Purpose-built for DC motor loads perfect for electric drive systems
Compact and rugged design suited for mobile equipment and industrial control panels
Low voltage drop & high durability keeps systems efficient and maintenance-free longer
Proven performance in EVs, material handling, and other high-current applications