HO-NP/SP33-1000 SERIES
Absolute maximum ratings
Parameter
Symbol
UC
Unit
V
Value
3.3
Supply voltage (not operating)
TB
°C
120
Primary conductor temperature
ESD rating, Human Body Model (HBM)
UESD
kV
2
Stresses above these ratings may cause permanent damage. Exposure to absolute maximum ratings for extended periods may
degrade reliability.
UL 508: Ratings and assumptions of certification
File # E189713 Volume: 2 Section: 5
Standards
●
●
CSA C22.2 NO. 14-10 INDUSTRIAL CONTROL EQUIPMENT - Edition 11 - Revision Date 2011/08/01
UL 508 STANDARD FOR INDUSTRIAL CONTROL EQUIPMENT - Edition 17 - Revision Date 2010/04/15
Ratings
Parameter
Symbol
Unit
Value
Primary involved potential
V AC/DC
600
Max surrounding air temperature
TA
°C
105
According to series primary
currents
Primary current
IP
A
Secondary supply voltage
Output voltage
UC
V DC
3.3
Vout
V
0 to 3.3
Conditions of acceptability
When installed in the end-use equipment, consideration shall be given to the following:
1 - These devices have been evaluated for overvoltage category III and for use in pollution degree 2 environment.
2 - A suitable enclosure shall be provided in the end-use application.
3 - The terminals have not been evaluated for field wiring.
4 - These devices have been evaluated for use in 105°C maximum surrounding air temperature.
5 - The secondary (Sensing) circuit is intended to be supplied by a Isolated Secondary Circuit - Limited voltage circuit defined
by UL 508 paragraph 32.5. The maximum open circuit voltage potential available to the circuit and overcurrent protection
shall be evaluated in the end use application.
6 - These devices are intended to be mounted on a printed wiring board of end-use equipment. The suitability of the connec-
tions (including spacings) shall be determined in the end-use application.
7 - Primary terminals shall not be straightened since assembly of housing case depends upon bending of the terminals.
8 - Any surface of polymeric housing have not been evaluated as insulating barrier.
9 - Low voltage circuits are intended to be powered by a circuit derived from an isolating source (such as a transformer, optical
isolator, limiting impedance or electro-mechanical relay) and having no direct connection back to the primary circuit (other
than through the grounding means).
Marking
Only those products bearing the UL or UR Mark should be considered to be Listed or Recognized and covered under UL's
Follow-Up Service. Always look for the Mark on the product.
Page 2/15
17September2013/Version 2 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
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