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Mitsubishi S-K50 Contactor

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Mitsubishi S-K50 Contactor Specification

Insulation Material
High Quality Thermoplastic

Efficiency
Over 98%

IP Rating
IP20

Humidity %
Max 85% RH

Feature
Long Life, High Performance, Reliable Operation

Surface Finish
Matte/Glossy Combination

Operating Temperature
-5°C to +40°C

Mounting Type
DIN Rail or Screw Mount

Shape
Rectangular

Overheating Protection
YES

Connector Type
Screw Type

Power Factor
Optimized for Industrial Loads

Product Type
Electromagnetic Contactor

Application
Switching and Controlling Electric Motors

Protection Level
IEC Standard

Frequency (MHz)
50/60 Hz

Rated Voltage
AC 220V / 415V

Energy Consumption
Low, Optimized for Efficiency

Output Type
Normally Open (NO) & Normally Closed (NC)

Color
Black/Off-white

Dimension (L*W*H)
Approx. 85mm x 90mm x 105mm

Weight
Approx. 2.1 kg

Input Voltage
220V AC (Coil Voltage)

Phase
Three Phase

Size
Standard Industrial

No Of Poles
3

Material
High-grade Flame-retardant Plastic & Metal Contacts

Connection Type
Screw Terminal

Standards Compliance
IEC60947, JIS C 8201

Auxiliary Contacts
1NO+1NC

Pollution Degree
3 (Industrial Environment)

Coil Voltage Range
100~240VAC

Storage Temperature
-40°C to +70°C

Electrical Life
About 1 Million Operations

Short-circuit Withstand Capacity
High as per IEC60947

Shock Resistance
Up to 30G

Contact Material
Silver Alloy

Rated Current
50A (AC-3)

Operating Altitude
Up to 2000m above sea level

Vibration Resistance
Up to 5G

Mechanical Life
Over 10 Million Operations

Mitsubishi S-K50 Contactor Trade Information

Payment Terms
Cash in Advance (CID)

Sample Available
Yes

Main Domestic Market
All India

About Mitsubishi S-K50 Contactor

A contactor is an electrical device which is used for switching an electrical circuit on or off. ... These contacts are in most cases normally open and provide operating power to the load when the contactor coil is energized. Contactors are most commonly used for controlling electric motors

Superior Industrial Performance

Optimized for efficiency, the S-K50 contactor features silver alloy contacts and high-grade flame-retardant materials, ensuring lasting reliability in demanding environments. With an IP20 rating and robust mechanical design, it withstands harsh industrial conditions including high vibration and shock, while providing consistent performance for motor switching applications.

Flexible Installation and Operation

The contactor accommodates various mounting options, including DIN rail and screw mounts, making installation straightforward in standard industrial panels. Its wide coil voltage range and screw terminal connections allow for versatile integration with existing systems and enable smooth operation across different power supply scenarios.

FAQ's of Mitsubishi S-K50 Contactor:

Q: How is the Mitsubishi S-K50 Contactor typically installed in industrial settings?

A: The S-K50 contactor supports both DIN rail and screw mounting, enabling easy installation in standard industrial enclosures. Its screw-type terminals ensure secure connections suitable for high-performance motor control applications.

Q: What benefits does the high short-circuit withstand capacity offer?

A: The exceptional short-circuit withstand capacity, in line with IEC60947 standards, enhances the safety and durability of your motor control system, reducing the risk of equipment failure during overload or fault conditions.

Q: When should the S-K50 Contactor be used in three-phase motor applications?

A: This contactor is ideal for controlling and switching electric motors in industrial environments where reliable performance and high endurance are required, utilizing its NO and NC auxiliary contacts to manage control circuits efficiently.

Q: Where can this contactor be effectively operated in terms of altitude and environment?

A: It can be operated at altitudes up to 2000 meters above sea level and in environments with up to 85% relative humidity, pollution degree 3, and temperatures between -5C and +40C, making it well-suited for most industrial locations.

Q: What process ensures reliable connection and safe operation of the S-K50?

A: Connection is achieved via screw terminals that provide secure and firm contact, while high-quality thermoplastic insulation and built-in overheating protection safeguard against electrical hazards.

Q: How does the Mitsubishi S-K50 optimize efficiency and energy consumption?

A: With energy consumption kept low and efficiency over 98%, the S-K50 minimises running costs while guaranteeing stable operation under industrial loads, benefiting both energy management and operational reliability.

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