Introduction

The КM-50ДB DC Contactor is a robust and reliable solution designed for a wide range of electrical control applications. With a contact switching capacity of 50A, this contactor features a versatile changeover contact form, ensuring flexibility in various operational scenarios. Its low coil power consumption of 10W Max. makes it energy-efficient, while its durable construction is suited for demanding environments, including engineering machinery, electric vehicles, electric forklifts, and telecommunications equipment.

Engineered for performance, the КM-50ДB offers exceptional dielectric strength and rapid pull-in and release times, making it ideal for fast-paced electrical systems. With an operating temperature range of -55 to +70℃ and a mechanical life of up to 50,000 cycles, this contactor is built to withstand extreme conditions and ensure longevity.

Whether used in automotive applications, uninterruptible power supplies, or weapon systems, the КM-50ДB provides reliable switching capabilities and enhances the efficiency of electric control systems. Its ease of installation and maintenance makes it a preferred choice for professionals seeking high-quality electrical components.

Specification

Product Model: КM-50ДB

Product Name: DC Contactor

Main Features

• Contact Switching Capacity: 50A
• Contact Form: One set of changeover (NO/NC) contacts
• Coil Power Consumption: 10W Max.
• Application Range: Engineering machinery, electric vehicles, electric forklifts, automobiles, trains, ships, telecommunications equipment, uninterruptible power supplies, weapon systems, and other electric control systems.

Performance Parameters

Coil Parameters

Contact Parameters

Dielectric Strength

Pull-in and Release Times

Operating Environment

Dimensions and Circuit Diagram

Notes

1. When installing the contactor, the tightening torque for the main contact circuit terminal screws should be 2.5～4N.m; for the coil control circuit terminal screws, it should be 1～1.5N.m.
2. The power of the driving circuit for the product coil must be greater than the coil power; otherwise, it will reduce the product's disconnection capability.
3. The voltage continuously applied to the coil must not exceed the maximum allowable voltage. Otherwise, abnormal heating of the coil may shorten the lifespan of the insulation coating.
4. This contactor is not water-resistant; do not use it in environments where water, solvents, or oil may come into contact with the housing or terminals. Otherwise, aging of the housing or corrosion and contamination of the terminals may cause abnormal heating.