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Current transformers
- XCTB current transformer - measuring at up to 20 kHz
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- Tube current transformer CTM 7
- Differential current transformer type A, series DACT
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Tube current transformer CTM 7
- To extend input ratings
- Current transformers
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Mini current transformers of the CTM 7 series are single-conductor current transformers operating inductively. They adapt the primary measured variable to the nominal input value of the connected measuring device.
Because of the applied measuring principle, these current transformers are suitable only for use in alternating current networks.
CTM 7 current transformers are maintenance free and designed for nominal primary currents of 32 to 64 A with a nominal secondary current of 1 A, accuracy class 1.
Accessory:
Snap-on fixing for mounting the current transformer on a DIN-rail (please order separately).
Performance characteristics:
• Overcurrent limiting factor: see rating label
• Operating temperature: -5°C < T < +50°C
• Storage temperature: -25°C < T < +70°C
• Primary current: 32 - 64 A
• Secondary current: 1 A
• Accuracy class: 1
• Optional snap-on fixing for mounting on a DIN-rail available
• Unbreakable plastic housing made of grey polyamide, flame resistant
• Operating temperature: -5°C < T < +50°C
• Storage temperature: -25°C < T < +70°C
• Primary current: 32 - 64 A
• Secondary current: 1 A
• Accuracy class: 1
• Optional snap-on fixing for mounting on a DIN-rail available
• Unbreakable plastic housing made of grey polyamide, flame resistant
- • Therm. nominal continuous current Icth: 1.0 x IN
- • Therm. nominal short-time current Ith: 60 x IN, 1 sec.
- • Maximum operating voltage Um: 0.72 kV
- • Insulation test voltage: 3 kV, Ueff, 50 Hz, 1 min.
- • Nominal rated frequency: 50 Hz
- • Burden: 0.2 - 0.5 VA
- • Insulation class: E
- • Round conductor: 7.6 mm
- • Width: 27.5 mm
- • Height: 46.5 mm
- • Depth: 19 mm
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Current transformers CTM 7
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