Catalog excerpts
WIRELESS AC CURRENT SENSOR SYSTEM SCT-125W SPLIT CORE Description: Magnelab's SCT-125W are Radio CT systems designed to work with any energy meter that accepts 0.333 V RMS or 1 V RMS transducers. Each CT contains an RF link powered by the measured current and will link to the Controller (PT Unit) at any current above 5 A. The system consists of three matched CTs and a Controller with three outputs for A, B and C phase. CT installation consists of simply snapping the CTs around each conductor. The controller is powered by 120 VAC or 240 VAC. The outputs can be wired to the energy meter CT inputs. Features: • Linearity accuracy: ± 1% • Phase angle < 1° measured at rated current • 10 meter range Benefits: • CTs powered by harvested energy • No CT wiring required • Easy installation - just snap CTs on • Accurate for both phase and current PART NUMBER AND RATING Magnelab, Inc. 600 Weaver Park Rd Longmont, CO 80501 Tel. (303) 772-9100 Fax. (303) 772-9400 Email. info@magnelab.com SYSTEM SPECIFICATIONS COMMUNICATION: 802.15.4, 2.4 GHz technology ACCURACY: Better than 1% for both amplitude and phase throughout range. RESPONSE TIME: Output Waveform updates once per second RANGE: 10 meters DISPLAY: Green LED for each of three channels PT UNIT POWER: 120 VAC or 240 VAC OUTPUT: A, B & C phase, 0.333 Volt or 1 Volt (Optional at time of ordering) MINIMUM TURN-ON: 5 A measured current WIRELESS CHANNELS: 15 selectable by installer TEMPERATURE: -30°C to +60°C
Open the catalog to page 1
SPLIT CORE CURRENT SENSORS (SCT UNITS) Magnelab's SCT-125W split-core current sensors "sense" AC current up to 800 Amps passing through the measured conductor. Power for SCT comunication is harvested from the measured current. No external wiring for power is needed. Replacing SCTs is simple and can be performed in the field. The SCT series have a patened self-locking mechanism that minimizes measurement errors. CONTROLLER (PT UNIT) The controller is powered by 120/240 VAC and provides three outputs that correspond to the three remote CTs in both amplitude and phase. The unit can be mounted...
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