Yougou Electronics (Shenzhen) Co., Ltd.
Yougou Electronics (Shenzhen) Co., Ltd.
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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.
| Model | Rated Coil Voltage (V DC) | Operating Coil Voltage (V DC) | Pull-in Voltage (V DC) | Release Voltage (V DC) | Holding Current (A) |
|---|---|---|---|---|---|
| КM-50ДB | 28 | 0.85US～1.1US | ≤18 | 1.5～8 | ≤0.4 |
| Model | Contact Form | Contact Material | Main Contact Load | Contact Pressure Drop | Insulation Resistance |
|---|---|---|---|---|---|
| КM-50ДB | 1H | Silver Alloy | 50A×220AC (COSφ≥0.5)/400Hz (Inductive Load) <br> 50A×28V DC (Resistive) | ≤80mV@50A | Min. 100MΩ at 500VDC |
| Insulation Type | Voltage (VAC) | Duration (minutes) | Leakage Current |
|---|---|---|---|
| Between mutually insulated conductive parts | 1500 | 1 | < 1mA |
| Parameter | Maximum Time |
|---|---|
| Pull-in Time | 40 mSec. |
| Release Time | 20 mSec |
| Parameter | Value |
|---|---|
| Operating Temperature | -55 to +70℃ |
| Storage Temperature | -60 to +85℃ |
| Altitude | 20000 m |
| Relative Humidity | 20% to 90% RH |
| Vibration at Mounting Location | (10～500) HZ, ≤5g |
| Shock | 5g |
| Acceleration | 10g |
| Mechanical Life | 50,000 cycles |
| Electrical Life | 5,000 cycles (inductive load) <br> 15,000 cycles (resistive load) |
| Operating Mode | Continuous operation |
| Dimension Description | Dimension (mm) |
|---|---|
| Tolerance for unmarked dimensions (0～30 mm) | ±0.3 |
| Tolerance for unmarked dimensions (31～60 mm) | ±0.5 |
| Tolerance for unmarked dimensions (61～100 mm) | ±1 |
| Tolerance for unmarked dimensions (>100 mm) | ±2 |