GE Multilin 850 Instruction Manual page 46

CAUTIONS AND WARNINGS
CAUTION:
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LED transmitters are classified as IEC 60825-1 Accessible Emission Limit (AEL) Class
1M. Class 1M devices are considered safe to the unaided eye. Do not view directly with
optical instruments.
To ensure the settings file inside the relay is updated, wait 30 seconds after a setpoint
change before cycling power.
This product is rated to Class A emissions levels and is to be used in Utility, Substation
Industrial environments. Not to be used near electronic devices rated for Class B levels.
CHAPTER 1: INTRODUCTION
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL