Specifications

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Products List

Indicator Line-up,

Precautions & Specifications

Indicator type

Appearance

Indicator ratings

Model

name

Special specifications

Red needle

Special accuracy class

Foreign standards

Special environment

Double scale

Colored lines/bands

Page with specifications table

AC ammeters AC voltmeters

YR-8UNAA

YR-10UNAA

—

3 terminals (operation principle: movable iron core)

3 terminals

Rectifier



—



—

YR-12UNAA

YR-8UNAV

YR-10UNAV

—

Rectifier

—

YR-12UNAV

Size

(mm)

82✕99

102✕119

122✕139

Operation principle

2.5 1.5 2.5 1.5

Accuracy (class)

Direct

Combined with transformer

Scale

Cover

Terminal

configuration

Ordinary

Expanded

Black (B)

Transparent (G)

Special color coating

(F)

Direct indicator

Indicator combined with transformer

Note 3

Note 2

Note 1

1, 5, 10, 15, 20, 30A

5A, 1A

(combined with current transformer)





4 terminals

150, 300, 600V

150V

(combined with instrument voltage transformer)

—





3 terminals



—



Y R 10 UN AA–

YR-UN Series

(With changeover switch)

Size (mm)

82✕99

102✕119

122✕139

Code

Size (width ✕ height)

Indicator type

AC ammeter

AC voltmeter

Code

Indicator type

Operation principle

Rectifier

(Movable iron core)

Code

Operation principle

Structure

Changeover switch

Code

Structure

3. Indicators with Changeover Switch (YR-UN Series)

Remarks

Note 1.

Note 2.

Note 3.

All indicators, excluding special grade and foreign standard specification indicators, comply with the Japanese Industrial Standards relating to direct-acting

electrical indicators and have a JIS mark.

The 3-terminal, CT-combined models of YR-8UNAA and YR-10UNAA operate on the principles of the movable iron core.

The operating circuit voltage is 600V or less.

A 4-terminal AC ammeter to be combined with a transformer can be manufactured if required.

Model Naming System