PRODUCT SPECIFICATION

RV4140A

3

specification is:

Where:

W

• T is the time delay in ms

• P is the period of the line frequency in ms

RMS.

• N is the number of sense transformer secondary turns.

This formula assumes an ideal sense transformer is used.

30% when using a non-ideal transformer.

Figure 1. Appliance Leakage Detector Circuit Application

R

SET

2.05

N

´

I

FAULT

COS 180

´

TP

¤

()

---------------------------------------------------------------

=

65-4140A-02

Closed

Contacts

Load

Solinoid

C3

10 nF

Q1

Tag

X0103DA

C2

0.02 F

m

1

2

3

4

8

7

6

5

C1

10 F

Hot

Neutral

Line

Sense Transformer

1:500 Turns Ratio

3 Ring Steel Core

RV4140A

m

Normally

Latching

Mov

C4

0.1 F

m

Press to Test

15K

191K

91K