The DM…TP type accuracy current transformers (CTs) are installed in an electrical system to reduce the line current to a secondary value of 5A compatible with the ammeter inputs of the digital multi-meters or protection relays.
DM…TP are accuracy current transformers in class 0.5s without a primary winding and are normally used for high primary current values starting from 60A. The number of loops of the primary cable does not modify the accuracy but converts the primary current value proportional to secondary current.
Operating frequency: 50-60Hz.
Secondary output current: 5A.
Overload withstand: 120% Ipn.
IEC rated insulation voltage UI: 720V.
IEC rated short-time thermal current Ith: 40-60 Ipn for 1 second.
IEC rated dynamic current Idyn: 2.5 Ith for 1 second.
Insulation (dry tape): Class E.
Terminals: Screw terminals.
Sealable terminal covers.
Fixing on 35mm DIN rail(IEX/EN 60715) or by screws (fixing elements standard supplied with product).
IEC degree of protection: IP30.
Ambient conditions: Operating temperature -25…+50 degrees Celsius; Storage temperature -40…+80 degrees Celsius; Relative humidity, non-condensing 90%.
Mechtric | Industrial Automation & Control Products
The Mechtric Group is a 100% Australian owned group of companies specialising in the supply of electrical and mechanical engineering products.
Our product range includes industrial automation and control equipment including Lovato low voltage switchgear, soft starters and instrumentation, Delta Electronics variable speed drives and automation products, Sirena, E2S, Auer and C&S industrial signalling products, LIFAS power factor correction equipment, DINEL and FINTEK level controls, Fantini Cosmi flow, level and temperature controls, Bayham level gauges and controls, Ravioli pendants and limit switches, SITI reduction gearboxes, Mechtric 3 phase motors, COEL brake motors, Carpanelli motors, Drive systems DC motors, Minarik DC motor controllers.