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Mitsubishi Electric TH-T25 User Manual

Mitsubishi Electric TH-T25
32 pages
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MS-TSeries
A
13
IB(NA)0200004ENG-A1309MEE
Magnetic Contactors and Magnetic Starters
INSTRUCTION MANUAL
Magnetic Contactors and Magnetic Starters
NSTRUCTION MANUAL
To ensure proper use of the products listed in this catalog,
please be sure to read the instruction manual prior to use.
Safety Warning
HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
www.MitsubishiElectric.co.jp/melfansweb
Eco Changes is the Mitsubishi Electric
Group
,
s environmental statement, and
expresses the Group
,
s stance on
environmental management. Through a
wide range of businesses, we are helping
contribute to the realization of a
sustainable society.
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Mitsubishi Electric TH-T25 Specifications

General IconGeneral
CategoryController
Number of Inputs16
Number of Outputs16
Communication InterfaceRS-485
Storage Temperature-20°C to 70°C
TypeProgrammable Logic Controller (PLC)

Summary

Safety Precautions

1. Working Environment

2. Storage and Transportation

3. Mounting and Connection

3.1 Mounting

Details on how to mount the product, including orientation and screw tightening.

3.2 Connection

Instructions for wiring the product, including coil voltage and terminal connection.

3.3 Installation Instruction for Accessories of MS-T Series

Guidance for installing additional auxiliary contact blocks and mechanical interlocks.

3.4 Wiring Diagram

Schematic diagrams for various motor configurations and product models.

4. Maintenance and Inspection of Thermal Overload Relay

4.1 Heater Rating and Adjustment

Guide to setting the thermal overload relay's trip current using the adjustment knob.

4.2 Fusing of Thermal Overload Relay

Explanation of thermal overload relay fusing and protection coordination with MCCB.

4.3 Contact Configuration

Details on the NO/NC contact configuration of the thermal overload relay for MS-T series.

5. Recommended Update Interval

6. Maintenance and Inspection Check List

6.1 Daily Inspection

Procedures for daily checks including abnormal noise, odor, appearance, and clamp screws.

6.2 Periodic Inspection

Guidelines for periodic checks like metal sections for rust and movable sections for movement.

6.3 Detailed Inspection

Overview of sampling tests for life margin estimation, including contact resistance and coil tests.

7. Troubleshooting List

7.1 Contact Issues

Troubleshooting problems related to contact closing, opening, welding, and failure.

7.2 Coil and Wiring Issues

Addressing coil burning, terminal burning, and wiring faults.

7.3 Operational Sounds

Troubleshooting abnormal noises like beating or buzzing from the unit.

7.4 Thermal Overload Relay Problems

Diagnosing issues with thermal overload relay trips, functionality, and resetting.

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