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Mitsubishi S-N20 Contactor

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Mitsubishi S-N20 Contactor Specification

Mounting Type
DIN Rail or Screw Mount

Power Factor
0.7 min (Coil)

Efficiency
High

Humidity %
35% to 85% RH

Surface Finish
Moulded Finish

Overheating Protection
Yes (When used with thermal overload relay)

Connector Type
Screw

Operating Temperature
-5°C to +40°C

Shape
Rectangular

Feature
Long Life, High Reliability, Compact Size, Low Power Consumption

IP Rating
IP20

Insulation Material
Thermoplastic

Product Type
Magnetic Contactor

Application
Motor Control, Industrial Automation

Protection Level
IP20

Frequency (MHz)
50/60 Hz

Rated Voltage
AC 690V

Energy Consumption
Approx. 6.5 VA (Coil) @ 50 Hz

Output Type
Normally Open (NO)

Color
Black & White

Dimension (L*W*H)
65 x 77 x 80 mm

Weight
380 g

Input Voltage
AC 220V/240V (Coil Voltage Options)

Size
S-N20

Phase
Three Phase

No Of Poles
3 Poles

Connection Type
Screw Terminal

Material
Plastic & Metal

Mitsubishi S-N20 Contactor Trade Information

Sample Available
Yes

Main Export Market(s)
Asia

Main Domestic Market
All India

About Mitsubishi S-N20 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.

Advanced Durability and Performance

With mechanical endurance rated for over 10 million operations and electrical endurance surpassing 1 million (AC3), the S-N20 contactor promises a long operational life. Designed for high efficiency and reliability, it is an ideal choice for intensive industrial settings where consistent performance and minimized downtime are essential requirements.

Versatile and Compact Design

The S-N20 features a space-saving rectangular form factor and compact dimensions (65 x 77 x 80 mm), making it suitable for installations with limited space. The contactor supports both DIN rail and screw mounting, accommodating various installation preferences in control panels and motor starters.

Enhanced Safety and Protection

Safety is bolstered with an IP20 protection rating and insulation made from robust thermoplastic materials. When paired with a thermal overload relay, the S-N20 offers effective overheating protection. The screw terminal connection ensures secure and reliable installation in challenging environments.

FAQ's of Mitsubishi S-N20 Contactor:

Q: How is the Mitsubishi S-N20 contactor typically used in industrial applications?

A: The S-N20 contactor is primarily used for motor control in industrial automation. Its high current capacity and reliable auxiliary contacts make it suitable for starting, stopping, and reversing three-phase motors in machinery, conveyors, and manufacturing systems.

Q: What are the main benefits of choosing the S-N20 contactor for my control panel?

A: The S-N20 offers a compact size, high reliability, and extended operational endurance. Its long life (mechanical and electrical), low power consumption, efficient coil, and flexible mounting options ensure efficient and cost-effective integration into modern control panels.

Q: Where should the S-N20 contactor be installed for optimal performance?

A: For optimal performance, install the S-N20 in a well-ventilated control panel or electrical enclosure, away from excessive dust or moisture. Make sure the installation environment stays within the operating temperature range of -5C to +40C and humidity levels between 35% and 85% RH.

Q: What is the process for wiring the S-N20 contactor?

A: Wiring is accomplished via screw terminals for secure connection. It is important to use appropriately rated cables and ensure all connections are tight. For coil operation, select the proper input voltage (AC 220V/240V) and connect auxiliary contacts as required for your application.

Q: How does the S-N20 contactor provide overheating protection?

A: The S-N20 is designed to integrate with a thermal overload relay, which monitors motor current and disconnects the circuit if overheating is detected. This combination protects your motors and control systems from damage caused by excessive current or temperature.

Q: When is it necessary to replace the S-N20 contactor?

A: Consider replacement if you observe any signs of wear, diminished performance, or after reaching its rated operational life. Regular inspection and timely replacement are crucial, especially after high-cycle usage or exposure to harsh operating conditions.

Q: What certifications and protection levels does the S-N20 contactor comply with?

A: The S-N20 contactor meets IP20 protection standards, offering solid ingress protection against objects greater than 12.5mm. Its insulated thermoplastic construction also enhances electrical safety in industrial environments.

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