CHAPTER 2: PRODUCT DESCRIPTION SPECIFICATIONS
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL 2-53
2
2.6.15 Approvals
APPROVALS
2.6.16 Maintenance
MOUNTING
Attach mounting brackets using 20 inch-pounds (±2 inch-pounds) of torque.
CLEANING
Normally, cleaning is not required. When dust has accumulated on the front panel display, wipe with a dry cloth.
Compliance Applicable council directive According to
CE Low voltage directive EN 60255-5
EMC directive EN 60255-26 / EN 50263
EN 61000-6-5
C-UL-US --- UL 508
UL 1053
C22.2 No. 14
To avoid deterioration of electrolytic capacitors, power up units that are stored in a de-energized
state once per year, for one hour continuously.
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