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  • New item   Split-core current transformer | 1000/5 A | 0,5 VA | class 0,5 | for cable 2×Ø42 mm | IP20 | ELEQ TQ50-L | 4Q5L67
    New item   Split-core current transformer | 1000/5 A | 0,5 VA | class 0,5 | for cable 2×Ø42 mm | IP20 | ELEQ TQ50-L | 4Q5L67 1

    Split-core current transformer | 1000/5 A | 0,5 VA | class 0,5 | for cable 2×Ø42 mm | IP20 | ELEQ TQ50-L | 4Q5L67

    Code: 4Q5L67
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    Split-core current transformer 1000/5 A, 0,5 VA, accuracy class 0,5, for insulated cable 2×Ø42 mm. IEC 61869-2.

  • Product description

    Split-core current transformer | 1000/5 A | 0,5 VA | class 0,5 | for cable 2×Ø42 mm | IP20 | ELEQ TQ50-L | 4Q5L67

    ELEQ TQ50-L 4Q5L67 is a compact split-core current transformer 1000/5 A for energy meters, power analysers and current measuring systems with a 5 A input. The core opens, so the transformer is clipped onto an already installed insulated cable – no need to disconnect it and pull it through.

    Key point:
    When metering has to be added to an existing switchboard – a PV plant, a building incomer or a production line – a split-core transformer saves time and a shutdown window. The key is choosing the ratio for the real load and making sure the 0,5 VA burden covers the meter input and the secondary lead losses.
    Ratio
    1000/5 A
    Burden / class
    0,5 VA / cl. 0,5
    Cable aperture
    2×Ø42 mm
    Mounting
    Split core, fixed with cable ties

    Operating principle

    The housing is opened, placed around the insulated phase conductor and closed until it clicks. It is fixed to the cable with the two cable ties supplied. The TQ50 top part comes off completely, which helps in tight spaces.

    Primary current up to 1000 A is transformed into a proportional secondary current up to 5 A. The secondary is brought out on colour-coded 3 m, 1.5 mm² leads connected to the meter or analyser current input.

    The same ratio is set in the meter – the device then shows the real primary current, power and energy.

    Why choose ELEQ TQ50-L 4Q5L67?
    Metering can be installed in an existing installation without disconnecting cables or rebuilding the board, and accuracy class 0,5 suits energy metering and load monitoring.

    Technical specifications

    Product type Split-core current transformer
    Manufacturer / code ELEQ / 4Q5L67
    Model TQ50-L
    Ratio 1000/5 A
    Rated burden 0,5 VA (at end of leads)
    Accuracy class 0,5
    Primary aperture insulated cable up to 2×Ø42 mm (window Ø42 × 84 mm)
    Secondary leads 3 m, 1.5 mm², colour-coded
    Insulation level 0.72 / 3 kV
    Rated frequency 50/60 Hz
    Short-time thermal current Ith 60 × In / 1 s
    Continuous thermal current 100 % In
    Insulation class E (120 °C)
    Operating temperature −10…+40 °C
    Relative humidity 5–85 %, non-condensing
    Protection IP20, indoor only
    Standard IEC 61869-2
    Mounting on insulated cable, 2 cable ties included

    Main functions

    • Split core – fitted onto an existing cable, no disconnection or rewiring.
    • Ratio 1000/5 A – for meters and analysers with a 5 A current input.
    • Accuracy class 0,5 – reliable energy metering and load analysis.
    • Pre-fitted 3 m secondary leads – no extra terminals at the transformer.
    • Colour-coded leads – lower risk of polarity errors.
    • Compact housing – fits boards with no room for solid ring CTs.

    Where is it used?

    • Building or plant incomer energy metering
    • PV generation and consumption metering
    • Power limiting and load management systems
    • Energy monitoring of production lines and machines
    • Retrofit of existing boards without a shutdown window
    • Tenant and zone sub-metering in commercial buildings
    • Current inputs of power analysers and PLCs

    Use by need

    For the installing electrician.
    Clipped onto the cable in minutes – no need to disconnect the line or redo terminations.
    For the energy / facility manager.
    Quickly starts measuring real consumption and reveals the largest loads.
    For the automation / SCADA integrator.
    A standard 1000/5 A signal for Modbus analysers and data transfer to the control system.

    Practical use

    If the incoming cable is already installed and metering must be added without stopping operations, fit a 4Q5L67 on each phase, connect the leads to the meter current inputs and set the ratio 1000/5 in the meter. First make sure the real maximum current is within the transformer range and the meter plus lead burden does not exceed 0,5 VA.

    Pros

    • Installation without disconnecting the cable
    • Compact size
    • Pre-fitted secondary leads
    • Accuracy class 0,5
    • Complies with IEC 61869-2
    • Ideal for retrofitting existing installations

    Cons / limitations

    • Small burden reserve – 0,5 VA; long extension leads may take it out of class
    • Insulated cables up to 2×Ø42 mm only, not busbars
    • IP20 – indoor, in an enclosure only
    • Fixed ratio – must be selected for the real load

    Safety and installation notes

    • Fit on insulated conductors only; do not touch live parts.
    • Never open the secondary circuit while primary current flows – short the leads or keep them connected to the meter.
    • Observe the current direction marking (P1→P2) – wrong direction gives negative power and false metering.
    • Use the same orientation on all three phases and the correct phase sequence.
    • Consider secondary lead length and cross-section – longer leads add burden (VA).
    • Installation must be carried out by a qualified electrician in line with applicable safety rules.

    Quick selection guide

    1000/5 A
    0,5 VA
    cl. 0,5
    2×Ø42 mm
    IP20
    IEC 61869-2
    Suitable when you need:
    • Metering in an existing installation without a shutdown
    • Connecting a meter or analyser with a 5 A input
    • Measuring currents up to 1000 A
    Check before use:
    • Cable outer diameter
    • Meter input burden plus lead losses – max. 0,5 VA in total
    • Whether the meter supports an x/5 A ratio setting
    Important reminder: A current transformer does not measure or protect anything by itself – it only passes the current signal to a meter or analyser.
    ☝ Elsprendimai.eu recommends:
    • 3-phase CT meter Schneider Acti9 iEM3250 or iEM3255 (with pulse output)
    • Power analyser Schneider PowerLogic PM5110 with Modbus
    • For other currents – further ELEQ TQ50-L and TQ40 ratios

    FAQ

    Do I need to disconnect the cable?
    No – the core opens and the transformer fits onto the existing insulated cable.
    Which meter does it suit?
    Any meter or analyser with a 5 A current input and ratio setting.
    How long are the secondary leads?
    3 m, 1.5 mm², colour-coded.
    Can it be used outdoors?
    No – IP20, indoor use in an enclosure only.
    What if the meter shows negative power?
    Check the P1→P2 direction and phase matching.
    Does it fit a busbar?
    No – the aperture is for insulated cable up to 2×Ø42 mm.

    Documents

    Split-core current transformer | 1000/5 A | 0,5 VA | class 0,5 | for cable 2×Ø42 mm | IP20 | ELEQ TQ50-L | 4Q5L67

    ELEQ TQ50-L 4Q5L67 – split-core current transformer 1000/5 A, 0,5 VA, class 0,5, for cable 2×Ø42 mm. Fast energy metering retrofit in existing boards without disconnecting cables.

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

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