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Mitsubishi S-K25 Contactor

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Mitsubishi S-K25 Contactor Specification

Insulation Material
Thermoplastic

Efficiency
High switching efficiency

Mounting Type
DIN Rail / Panel mount

Operating Temperature
-5°C to +40°C

Shape
Rectangular

Power Factor
0.8

Surface Finish
Matte

Overheating Protection
Available (with optional accessories)

Feature
Compact size, long electrical life, high mechanical endurance

IP Rating
IP20

Connector Type
Screw Type

Humidity %
Up to 85% RH

Product Type
AC Contactor

Application
Control and switching of electric motors and power circuits

Protection Level
IP20

Frequency (MHz)
50/60 Hz

Rated Voltage
690V AC

Energy Consumption
9 VA (approx. - coil)

Output Type
Normally Open (NO) contacts

Color
Black & White

Dimension (L*W*H)
90 mm x 54 mm x 110 mm

Weight
0.9 kg (approx.)

Phase
Three Phase

Input Voltage
220-240V AC (coil voltage)

Size
Standard industrial size

Connection Type
Screw Terminal

Material
High-Grade Plastic & Metal

No Of Poles
3 Poles

Mechanical Life
10 million operations

Short Circuit Capacity
100 kA

Ambient Storage Temperature
-40°C to +70°C

Coil Consumption
9 VA (AC 220V-240V at 50/60Hz)

Altitude
Up to 2000 m above sea level

Electrical Life
1 million operations

Auxiliary Contacts
1 NO + 1 NC (optional)

Pollution Degree
3 (industrial environment)

Contact Material
Silver alloy

Rated Current
25A

Mitsubishi S-K25 Contactor Trade Information

Payment Terms
Cash in Advance (CID)

Sample Available
Yes

Main Domestic Market
All India

About Mitsubishi S-K25 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

Exceptional Mechanical and Electrical Durability

The S-K25 contactor guarantees dependable operation with up to 10 million mechanical cycles and 1 million electrical cycles, suitable for applications demanding longevity and reliability. Its silver alloy contacts and thermoplastic insulation further enhance lifespan and safety, making it ideal for intensive industrial use.

Versatile Installation and Safety Features

This device supports both DIN rail and panel mounting, fitting standard industrial sizes with a screw terminal connection. Featuring an IP20 protection rating and optional accessories for overheating protection, it ensures safe and flexible integration in diverse setups, even in demanding environments.

Optimized for Industrial Control and Switching

Capable of controlling and switching electric motors and power circuits reliably, the S-K25 operates on a rated voltage of 690V AC and frequency range of 50/60Hz. Its compact design, high switching efficiency, and auxiliary contacts provide operational versatility and ease of use in complex power systems.

FAQ's of Mitsubishi S-K25 Contactor:

Q: How is the Mitsubishi S-K25 contactor installed in an electrical setup?

A: You can mount the S-K25 contactor using either DIN rail or panel mounting options. Its standardized dimensions and screw terminal connectors facilitate straightforward, secure installation in industrial control panels.

Q: What protections does the S-K25 provide for electrical systems?

A: The contactor features an IP20 protection rating and can be equipped with optional accessories for overheating protection. This helps safeguard equipment in industrial environments with high pollution degree (3) and up to 85% relative humidity.

Q: Where is the Mitsubishi S-K25 contactor commonly used?

A: This contactor is widely utilized in industrial settings for the control and switching of three-phase electric motors and power circuits, thanks to its high endurance and compatibility with up to 690V AC systems.

Q: What are the main benefits of using the S-K25 contactor?

A: Key benefits include long electrical and mechanical life, high switching efficiency, compact design, easy installation, and robust performance even in demanding conditions such as high humidity, temperature extremes, and polluted environments.

Q: When should auxiliary contacts be considered for the S-K25 contactor?

A: Auxiliary contacts (1 NO + 1 NC, optional) should be considered when additional signaling or interlocking functions are required in your control circuit, enhancing control flexibility and system feedback.

Q: How does the S-K25 endure harsh environmental conditions?

A: Thanks to its high-grade plastic and metal construction, thermoplastic insulation, and silver alloy contacts, the S-K25 withstands temperature ranges from -40C to +70C in storage and up to 85% humidity, ensuring reliable operation at altitudes up to 2000 m.

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