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Chapter 1
1.5 Compliance to UL standards
1.5.1 UL CAUTION
GENERAL:
SJ series Type P1 inverter is open type AC Inverter with
three phase input and three phase output. It is intended
to be used in an enclosure. It is used to provide both an
adjustable voltage and adjustable frequency to the AC
motor. SJ-P1 automatically maintains the required
volts-Hz ratio as a function to control motor speed. It is
multi-rated device and the ratings are selectable
according to load types by operator with key pad
operation.
Markings:
Maximum Surrounding Temperature:
-
ND (Normal Duty):
-
LD (Low Duty):
-
VLD (Very Low Duty):
Storage Environment rating:
-
65degC (for transportation)
Instruction for installation:
-
Pollution degree 2 environment and Overvoltage
category III
Electrical Connections:
-
See "7.5 Main circuit terminal wiring" of user's
guide
Interconnection and wiring diagrams:
-
See "7.7 Control circuit terminal wiring" of user's
guide
Short circuit rating and overcurrent protection device
rating:
P1-L series models
- Suitable for use on a circuit capable of delivering not
more than 5,000 rms symmetrical amperes, 240 V
maximum".
P1-H series models
- Suitable for use on a circuit capable of delivering not
more than 5,000 rms symmetrical amperes, 500 V
maximum".
Integral:
-
Integral solid state short circuit protection does not
provide branch circuit protection. Branch circuit
protection must be provided in accordance with the
National Electrical Code and any additional local
codes
50degC
45degC
40degC
1-7
Safety Instructions
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