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Chapter 1) 7XG3124 Installation Guide
©2014 Siemens Protection Devices Limited
Chapter 1 Page 5 of 20
Section 2: Hardware Description
2.1
Sensor Installation
2.1.1
Sensor Spacing
The RA30 sensor is available as a single detector or dual detector package.
The RA30A single detector version is depicted i n f i gur e 1 showing the location of the detection
window and the approximate coverage zone:
Detection window
Coverage Zone
3m
The recommended spacing for the RA30A single detectors is approximately 5 - 6 m to ensure adequate
detection overlap.
5 - 6 m
Figure 2: RA30A single detector & Coverage Zone
Figure 3: RA30 Spacing