Electromechanical Watt-hour Meters
HLD03 single-phase meter is designed to measure active energy in single-phase two-wire or three-wire alternating power grids. Connection is direct or by instrument transformers. The meter is KEMA certified and has passed the reliability test of EPRI, China. It is a reliable long service life meter. The specifications of the meter can be tailored to customer requirements.

Feature
Long service life with MTTF of 20years
High overloading capacity up to 667%Ib
Two types of cases(protective-class and )are available
High-quality steel frame with negative electrophoresis treating on its surface
High stable magnetic bearing and self-lubricating graphite bearing. No lubrication of bearings is needed during the service life The rotor shaft and worm is turned integrative to en
sure proper mesh
Load curve compensation mechanism to ensure flat characteristic curve
Simple and reliable adjustment mechanisms, which do not affect each other
Unidirectional, jumping type register or reverse running stopper is available upon request
Technical Date

Applicable standards	IEC62053-11,IEC60521,BS5685, DIN 43857
Power loss	Less than 1W/5VA
Accuracy	Class2
Outline dimension L×W×H	Protective-class :170×133×112mm Protective-class :215×122×113.5mm
Installation dimension L×W	Protective-class :140×106mm Protective-class :141×105mm
Weight of meter	≈1.5kg

Specifications

Voltage range	110V, 120V, 220V, 230V, 240V
Reference frequency	50Hz or 60Hz
Current range: Transformer operated meters Direct connected meters	CT/5A:1.5(6), 2.5(10)A 5(20), 5(30), 10(40), 10(60), 15(60), 15(100), 20(80), 30(100)A