2.32
SEL-751A Relay
Instruction Manual
Date Code 20100129
Installation
Arc-Flash Protection: System Installation
Figure 2.31
Point-Sensor Directivity (Front to Back, Above the Mounting
Plane)
Figure 2.32
Point-Sensor Directivity (Left to Right, Above the Mounting
Plane)
120%
100%
80%
60%
40%
20%
0%
0°
350° 10°
340° 20°
330° 30°
320° 40°
310° 50°
300° 60°
290° 70°
280° 80°
270° 90°
260° 100°
250° 110°
240° 120°
230° 130°
220° 140°
210° 150°
200° 160°
190° 170°
180°
120%
100%
80%
60%
40%
20%
0%
0°
350° 10°
340° 20°
330° 30°
320° 40°
310° 50°
300° 60°
290° 70°
280° 80°
270° 90°
260° 100°
250° 110°
240° 120°
230° 130°
220° 140°
210° 150°
200° 160°
190° 170°
180°
Содержание 751A
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