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CT Metering Panels

Owen Brothers Metering can supply any DIN-Rail or Panel Mounted meter within our range in quality sealable metering panels also known as Meter Management Units or MMU’s that provide quick, easy and safe installation of CT operated devices.

Our IP rated metering panels include as standard DIN rail Fuses (Including spare fuse within each carrier), Earth and Neutral disconnect terminals with options such as Test Terminal Block (TTB) or CT shorting block assemblies for safe, accurate and legal installations.

CT Operated Meters are used extensively for measuring current and monitoring the operation of the power grid. Along with voltage leads, revenue-grade CTs drive the electrical utility's watt-hour meter on virtually every building with three-phase service and single-phase services greater than 100 amps. The CT is typically described by its current ratio from primary to secondary. Often, multiple CTs are installed as a "stack" for various uses. For example, protection devices and revenue metering may use separate CTs to provide isolation between metering and protection circuits, and allows current transformers with different characteristics (accuracy, overload performance) to be used for the devices.

Safety Notice

Care must be taken that the secondary of a current transformer is not disconnected from its load while current is in the primary, as the transformer secondary will attempt to continue driving current across the effectively infinite impedance up to its core saturation voltage. This may produce a high voltage across the open secondary into the range of several kilovolts, causing arcing, compromising operator and equipment safety, or permanently affecting the accuracy of the transformer.

To avoid personal injury or equipment damage, the secondary must always be short-circuited or connected to a burden.

A solution for this problem is installation of our Test Terminal Block (TTB) that allows for safe testing, disconnection of the equipment leaving CT’s securly short-circuited.

Using our test/disconnect terminals also reduces possibility of damage to Current Transformers.


6 Item(s)

List  Grid 

  1. OB737-CT-AK9 MID CT Operated IP65 Meter Kit

    OB737-CT-AK9 MID CT Operated IP65 Meter Kit

    SGS0130-Owen-Brothers-OB737Measuring Instruments Directive (MID 2004/22/EC)

    Owen Brothers Retrofit CT Metering Kits are designed for existing installations where complete disconnection of conductors is not possible, they allow safe, certified and simple installations.

    All products allow for data collection and include pulsed output & Modbus as standard with GSM/GPRS & Ethernet TCP/IP Options. 

    Identify waste and potential energy saving opportunities. 

    • Integrating our optional Automatic Meter Reading system helps achieve the Carbon Trust Standard and Carbon Reduction Commitment. An element under the tax efficient enhanced capital allowance scheme.

    • Can be used in any commercial or industrial application.

    • Retrofit metering kits are designed to measure the energy consumed by a complete installation or part of it. For example main incoming supply, manufacturing or offices.

    • It is possible to measure voltage, current, frequency, active and reactive power, power factors, maximum demand.

    • Complying with BSEN62053-21/22 Class 1.0, 0.5S.

    • Multi Tariff - 4 TOU Rates can be set 

    • M.I.D Approved 0120/SGS0130 Annex B & D (Offgem) 

    • Split core Current Transformers 100:5A up to 4000:5A ratios are available preventing cable re-routing or cable breaks for simple retrofit installations.

    • Supplied pre-wired with cable entry glands & convenient knockouts.

    • Connections are simple and clearly labelled.

    • Built in phase rotation, wrong phase sequence alarm.

    • Ingress Protection - Minimum IP65

    Learn More

    Regular Price: £189.99

    Special Price £169.99

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  2. OB737 CT Meter in IP66 Steel Enclosure

    OB737 CT Meter in IP66 Steel Enclosure

    SGS0130-Owen-Brothers-OB737Measuring Instruments Directive (MID 2004/22/EC)

    OB737 CT Operated Meter in IP66 Steel Enclosure.

    OB737CT series is a Polyphase Smart Energy Meter packed with all the features & functionality to cover the most demanding of projects.

    Fully MID Approved Annex B & D - suitable for renewable FIT/ROC export energy, industrial/commercial billing etc.

    Three phase direct 100A metering - 7 DIN modules, Standard DIN rail Format (DIN43880)

    High Accuracy - IEC62053-21/22 Class 1.0,0.5S

    ● Import & Export active energy

    ● Import & Export reactive energy

    ● Instant Volt, Amp, Power factor, Frequency, Active power, Reactive power & Apparent power

    Industrial control & AMR compatible

    ● Isolated pulse output and IR (DIN43864)

    ● RS485 communication port, Modbus Protocol

    Large clear backlit display

    Learn More
    £169.99
  3. OB737CT-AK14-IP65-TTB MID  CT Meter Kit IEEE C57.13

    OB737CT-AK14-IP65-TTB MID CT Meter Kit IEEE C57.13

    SGS0130-Owen-Brothers-OB737Measuring Instruments Directive (MID 2004/22/EC)

    Owen Brothers Metering can supply any DIN-Rail or Panel Mounted meter within our range in quality sealable metering panels also known as Meter Management Units or MMU’s that provide quick, easy and safe installation of CT operated devices.

    Our metering panels include as standard DIN terminals for Current Transformer, Fuse (Including spare fuse within each carrier), Earth & Neutral disconnect with options such as Test Terminal Block (TTB) or CT shorting block assemblies for safe, accurate and legal installations.

     

    Learn More
    £270.00
  4. COP5 LV METERING PANEL

    COP5 LV METERING PANEL

    COP 5 Metering Panel Learn More
    £578.00
  5. COP5 HV METERING PANEL

    COP5 HV METERING PANEL

    COP 5 Metering Panel Learn More
    £530.00
  6. OB737CT Meter in Steel Enclosure

    OB737 CT Meter in Steel Enclosure

    SGS0130-Owen-Brothers-OB737Measuring Instruments Directive (MID 2004/22/EC)

    OB737 CT Operated Meter in Poweder Coated Steel Enclosure.

    OB737CT series is a Polyphase Smart Energy Meter packed with all the features & functionality to cover the most demanding of projects.

    Fully MID Approved Annex B & D - suitable for renewable FIT/ROC export energy, industrial/commercial billing etc.

    Three phase direct 100A metering - 7 DIN modules, Standard DIN rail Format (DIN43880)

    High Accuracy - IEC62053-21/22 Class 1.0,0.5S

    ● Import & Export active energy

    ● Import & Export reactive energy

    ● Instant Volt, Amp, Power factor, Frequency, Active power, Reactive power & Apparent power

    Industrial control & AMR compatible

    ● Isolated pulse output and IR (DIN43864)

    ● RS485 communication port, Modbus Protocol

    Large clear backlit display

    Learn More
    £169.99

6 Item(s)

List  Grid