Panel-mounted, three-phase power meter for current transformers
KET-PMT-247 is a panel-mounted energy meter for measuring energy and main electrical parameters in industrial and civil environments, with built-in RS485 ModBUS RTU communication.
It has 4 dry contact digital inputs, 2 relay outputs and 1 pulse output.
Interface with high-brightness LED/LCD display, parameter setting and push-button control, ideal for real-time energy monitoring systems. It can directly replace traditional power transmitters and measuring instruments.
The KET-PMT-247 can be used in all kinds of control systems, SCADA systems and energy management systems.
GENERAL SPECIFICATIONS
| Protection Range | IP20 |
| Operative Temperature | -25 ÷ +65 °C |
| Storage Temperature | -40 ÷ +80 °C |
| Relative Humidity | MAX 93% not condensing |
CASE
| Dimensions | 90 x 90 x 77.8 mm (W x H x D); faceplate 96 x 96 mm; cutout 92 x 92 mm |
| Mounting | Panel |
| Electric Board Type | Industrial or switchboard |
POWER SUPPLY
| Supply Voltage | 85 ÷ 265 VAC or 24 VDC (±20%) or 48 VDC (±20%) |
| Consumption | =<10 VA |
| Connectors types | Removable screw terminals |
POWER METER
| Insertion Types | Three phase, three or four wires |
| Connection | CT |
| Current Inputs | 5 A @ 45 ÷ 65 Hz |
| Voltage Inputs | 3x57.7/100 VAC (100 V), 3x220/380 VAC (400 V), 3x380/660 VAC (660 V) |
| Maximum Rated Current | Overload: 1.2 times the rated current (continuous); 10 times the rated current lasting for 1 second |
| Accuracy | Frequency: 0.05Hz | Current, Voltage: 0.2 class | Reactive power: l .0 class | Reactive Electric energy: l .0 class | Active power: 0.5 class | Active electric energy: 0.5 class |
| Connections | Removable screw terminals |
| ESD Protection | Between Power supply / Switching Output / Current Input / Voltage Input and Transmitting / Communication / Pulse Output / switching input AC 2 kV 1min; Between Power supply, switching output, Current Input, voltage Input AC 2 kV 1min; Between Transmitting, Communication, Pulse Output, switching input AC 1kV 1 min. |
| Configuration | By keyboard |
RS485 INTERFACE
| Supported Protocols | ModBUS RTU |
| Communication Rate | 38400, 19200, 9600, 4800 bps |
| Isolation | >100MO |
| Connectors types | Removable screw terminals |
DIGITAL INPUTS
| Channels | 4 for drycontact |
DIGITAL OUTPUTS
| Channels | 2 relay normally open contact outputs (230 VAC/3 A - 30 VDC/3 A); Pulse output: 10000imp/kWh (settable) |
CERTIFICATIONS
| Referends Standard | EN 62368-1-2014+A11:2017; EN61000-3-12:2011, EN 61000-3-3:2013; EN61000-6-1:2007; EN61000-6-3:2007/A1:2011/AC:2012 |
| Approvals | CE |
© 2019 Kerberos. All Rights Reserved. | MaggiorDOMO is a registered trademark of Kerberos S.r.l. Unipersonale - VAT IT-03929170284 - R.E.A. 348334 - C.C.I.A.A. 03929170284 - Share Capital € 100.000,00 -
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