DENT Instruments PowerScout 3 HD User Manual

13
DENT Instruments
PowerScout HD
METER SAFETY
Building Service Safety Requirements (Load Center, etc.)
 Equipment intended for use with field-installed current transformers that could be installed in
panel boards or switchgears shall observe the following:
 Always open or disconnect circuit from power-distribution system (or service) of building
before installing or servicing current transformers.
 A circuit breaker used as a disconnect must meet the requirements of IEC 60947-1 and IEC
60947-3 (Clause 6.11.4.2).
 Current transformers may not be installed in equipment where they exceed 75 percent of the
wiring space of any cross-sectional area within the equipment.
 Current transformers may not be installed in an area where they block ventilation openings.
 Current transformers may not be installed in an area of breaker arc venting.
 Not suitable for Class 2 wiring method nor intended for connection to Class 2 equipment.
 Secure current transformer and route conductors so that they do not directly contact live
terminals or bus.

CTs shall be listed to UL2808 where applicable.
Meter Installation Safety Requirements
 PSHD meters must be installed in accordance with local electrical codes.
 Use copper conductors only.
 Connection to the mains terminals shall be made with 14 AWG minimum wire gauge.
 External secondary inputs and outputs should be connected to devices meeting the
requirements of IEC 60950.
 The following additional requirements apply for Recognized board versions of the PSHD meter
 For use only with Listed Energy-Monitoring Current Transformers
 Associated leads of the current transformers shall be maintained within the same overall
enclosure.
 Unless the current transformers and its leads have been evaluated for REINFORCED INSULATION,
the leads must be segregated or insulated from different circuits.
 The current transformers are intended for installation within the same enclosure as the
equipment. These may not be installed within switchgears and panel boards or similar.
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DENT Instruments PowerScout 3 HD Specifications

General

Brand	DENT Instruments
Model	PowerScout 3 HD
Category	Measuring Instruments
Language	English