YOKOGAWA JUXTA MCT7, User Manual

Model MCT7

CT Converter (RMS)

CAUTIONARY NOTES FOR SAFE USE OF 

THE PRODUCT

This User’s Manual should be carefully read before installing and 

operating the product. Please keep this User’s Manual for future 

reference.

The related manuals and general specifications are shown in the 

table below.

Doc. Name

Doc. Number 

Model MCT7 CT Converter (User’s Manual)

IM 77J04W02-01E

(This manual)

Model MCT7 CT Converter (General 

Specifications)

GS 77J04W02-01E

User’s manuals in the above table are essential parts of the 

product; keep it in a safe place for future reference.

This manual is intended for the following personnel; 

 •

Engineers responsible for installation, wiring, and maintenance 

of the equipment.

 • Personnel responsible for normal daily operation of the 

equipment.

The following symbol is used on the product and in this manual to 

ensure safe usage.

 WARNING

Calls attention to actions or conditions that could 

cause serious or fatal injury to the user, and indicates 

precautions that should be taken to prevent such 

occurrences.

 CAUTION

Calls attention to actions or conditions that could 

cause injury to the user or damage to the instrument 

or property and indicates precautions that should be 

taken to prevent such occurrences.

QR Code

The product has a QR Code pasted for efficient plant 

maintenance work and asset information management.

It enables confirming the specifications of purchased products 

and user’s manuals.

For more details, please refer to the following URL.

https://www.yokogawa.com/qr-code

*  QR Code is a registered trademark of DENSO WAVE 

INCORPORATED.

CHECKING PRODUCT SPECIFICATIONS 

AND PACKAGE

(1) Checking the Model and Product Specifications

  Check that the model and specifications indicated on the 

nameplate attached to the main unit are as ordered.

(2) Packaged Items

  Check that the packing carton contains the following items:

 •

MCT7: 1 unit

IM 77J04W02-01E

1st Edition Aug. 2021 (YK)

Standard Accessories: 

 •

Spacer (used for DIN rail mounting): 1 piece

 •

Tag number label: 2 sheets

 •

Socket (A1653MR): 1 piece 

(when /SN option is not specified.)

 •

CT protector (CTP-5): 1 piece 

(when “1” is specified for the CT protector code.)

 •

User’s Manual (this manual: IM 77J04W02-01E): 1 copy

GENERAL

The MCT7 is a plug-in type CT converter that converts sinusoidal 

AC current signal from a current transformer (CT output, etc.) into 

isolated 4 to 20 mA DC or 1 to 5 V DC signals.

MODEL AND SUFFIX CODES

Model

Suffix codes

Description

MCT7

-x x -x x /x

CT Converter (RMS)

Input 

signal

-A

0 to 1 A AC

-B

0 to 5 A AC

-Z

Custom order (AC current signal)

Output signal

A

4 to 20 mA DC

6

1 to 5 V DC

Power supply

-3

24 V DC±10%

-4

100-130 V AC/DC 

*1

-5

200-240 V AC 

*2

CT protector

0

Not provided 

*3

1

1 piece provided

Option

/SN

No socket (with socket if not specified)

/C0

Coating

/FB

Fuse bypass

*1 Operating range: 85 to 150 V AC/DC

*2 Operating range: 170 to 264 V AC

*3  When “0” is specified in the CT protector code, the CT protector (CTP-5) 

must be ordered separately.

Note: An exclusive User’s Manual might be attached to the 

products whose suffix codes or option codes contain the code 

“Z” (made to customers’ specifications). Please read it along 

with this manual.

User’s

Manual

1

Please read through this User’s Manual before use for correct handling.

Please keep this User’s Manual for future reference.

2-9-32, Naka-cho Musashino-shi, Tokyo 180-8750 Japan

Phone: +81-422-52-7179  Facsimile: +81-422-52-6793

http://www.yokogawa.com/ns/juxta/im/

You can download the latest manuals from the following website: