The safe, versatile plug-in current transformer, Class 1 ... / 5 A is used to record and further process high currents. Excellent value and high levels of safety are the main features of this transformer.
Versatility & increased safety
When high currents need to be recorded and processed, plug-in current transformer are used. The conductor to be measured (busbar or cable) is fed through the window opening and forms the primary circuit of the plug-in current transformer.
Current transformer are mainly used for mounting on busbars. Drop resistance is achieved through additional encapsulation as well as higher shock and vibration resistance under mechanical stress (IEC 68).
This is the most common and most cost-effective type of current transformer, but the primary conductor must be interrupted during installation. In other words, this type of transformer is mainly used for new installations.
General properties, type ASK
- Break-proof plastic housing
- Black polycarbonate
- Flame retardant
- Self-extinguishing
- Ultrasonically welded transducer housing
- Nickel-plated secondary terminals with M 5 x 8 mm nickel-plated plus/minus screw, tightening torque max. 2 Nm
- Integrated secondary shutter flap
- Connection cross-section: max. 4 mm2 with wire end ferrule, 6 mm2 solid
General properties, type CTB
- UL certified
- World's first current transformer with screwless connection technology – spring clamp terminal
- Innovative, time-saving connection option (front or top) for solid and flexible conductors (max. 4 mm2 wire end ferrules can be omitted)
- Shock-resistant and vibration-proof, high mechanical retention forces
- Maintenance-free, gas-tight connection
- High dielectric strength
- Therm. rated continuous current Icth: 1.2 x IN
- Low-voltage current transformer for max. operating voltages up to 1.2 kV; can be used in 690 V networks
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