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7 multi-function relay connection, 1 connection requirements, Multi-function relay connection – SMA RS485-Quick Module User Manual

Page 26: Connection requirements

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Assembly

SMA America, LLC

26

RS485-QM-IA-eng-IUS111610

Installation Guide

5.7 Multi-function relay connection

5.7.1 Connection Requirements

You have the possibility to use an external signal transmitter to display smooth operations as well as
errors.
You can switch the following voltages and currents.

Cable Requirements

• Use cables of type 600V LVLE.
• The cable type and cable-laying method must be appropriate to the application and location.
• The cable must be double-insulated.

Maximum voltage

Maximum current

AC source

15 V

1.0 A

DC source

30 V

1.0 A

Item

Description

Value

A

External diameter

15

32

in. …

1

2

in.

(11.7 mm ... 12.5 mm)

B

Cross-section of insulated conductor

AWG 20 … AWG 14
0.5 mm² ... 2.5 mm²

C

Maximum length of the insulated
conductor

1

2

in. (15 mm)

D

Maximum strip insulation

3

8

in. (8 mm)