D72M50 Hobut

DIN RANGE PANEL METERS DESCRIPTION Available with moving iron or moving coil movements for a.c. or d.c. use, these DIN panel meters have been supplied worldwide and are recognised for their quality and value. Standard scales or customised dials can be offered. 11840 Manufactured to: DIN 43700, IEC51 and BS89. 48mm, 72mm and 96mm sizes. a.c. or d.c. use. Interchangeable dials (72mm & 96mm). Howard Butler Limited is one of the largest Rugged pivot and jewel movement. independent UK manufacturers of panel meters Ammeters, Voltmeters, Frequency and associated products. Meters, Power Factor Indicators, Wattmeters, Elapsed Time Indicators With over 80 years experience in the industry and Maximum Demand Indicators. HOBUT products have built a reputation for Optional red secondary pointer and high quality and modern design at terminal cover. competitive prices. Special customised dials. ANALOGUE PANEL METERS DIGITAL PANEL METERS HOURS COUNTERS SELECTOR SWITCHES PROTECTION RELAYS TRANSDUCERS SHUNTS CURRENT TRANSFORMERS CHARGER METERS THERMAL CUTOUTS MULTI-FUNCTION METERSCONNECTION DIN DIN DIN 96 72 48 DIN RANGE PANEL METERS DIAGRAMS Types: D48SD, D72SD, D96SD. MOVING IRON Accuracy: Class 1.5 (Class 2.5-60A and VOLTMETER above). VOLTAGE DIRECT TRANSFORMER AC ratings: 1A to 100A direct connected CONNECTED OPERATED (D48SD - 40A max). 1A or 5A CT operated. 30V to 600V direct connected. Burden: 0.7VA typical for 1A or 5A CT u v operated at 50Hz. U V L1 (L) 1.2VA max up to 30A L2 (N) 2.4VA max for 40A to 100A. 6VA max for voltmeters up to 600V. AMMETER CURRENT Frequency: Calibrated at 50Hz. DIRECT TRANSFORMER CONNECTED OPERATED Specify for frequencies 15Hz up to 400Hz Scaling: Standard ammeter and voltmeter scales.(2x and 6x overload amme- ter scales available on request). Moving Iron panel meters can be k l Damping: Heavily damped movements L1 (L) used for D.C. operation at K L available. L2 (N) reduced accuracy. Types: D48MC, D72MC, D96MC. MOVING COIL VOLTMETER Accuracy: Class 1.5. DC ratings: 100A to 50A direct connected + (D48MC - 40A max). 4-20mA, 1mA or 20mA transducer operated. 50mV to 600V direct connected. - 50mV to 300mV shunt operated. + AC ratings: Rectifier types available for a.c. use (mean sensitivity). AMMETER DC burden: 80mV to 150mV volt drop for DIRECT SHUNT direct connect ammeters 1mA CONNECTED OPERATED (1000 /V) for voltmeters and ++ shunt operated ammeters. Non std.: Suppressed zero voltmeters and trim potentiometer types available. - + Type: D96WA. WATTMETER Accuracy: Class 1.5. 3PH 4W UNBALANCED LOAD AC ratings: 1A or 5A CT operated. L1 L2 L3 N 63.5V to 500V direct connected. Burden: Current<0.5VA each circuit. Voltage<2.0VA Working K k range: Current 0-120% Voltage 75-125%. Frequency: Calibrated for 50Hz or 60Hz. L K k l Systems: WA1 Single phase. WA2 3ph 3 wire balanced load K k L l WA3 3ph 4 wire balanced load WA4 3ph 3 wire unbalanced load WA5 3ph 4 wire unbalanced load L l All DIN range panel meters are Terminals: Screw clamps - connection available as Wattmeters using a diagram supplied. separate transducer. SINGLE PHASE 3PH 3W BALANCED LOAD 3PH 4W BALANCED LOAD 3PH 3W UNBALANCED LOAD LN L1 L2 L3 L1 L2 L3 N L1 L2 L3 K k K k K k k K L l L L l k l L l K L l