Industrial Portfolio
Precision Monitoring & Dynamic Switching Solutions
Engineered for seamless integration with split-core current transformer loops, sub-metering setups, and automated transfer control in commercial infrastructure.
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A 85-265V EasyCon App
TOMZN 1NO 1NC Din Rail Single Phase Weekly 7 Days Programmable Switch Relay
TORT7 Series Delay-ON Delay-OFF 10in1 Asymmetric Cycler Multi-Function Switch
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Wall-Mounted 40A
TOMZN New Gen DIN Rail Single Phase Weekly Programmable Time Switch 16A
TOMZN 63A/80A Voltage & Current Protection Relay with Integrated Real-time kWh
TOMZN TOB9e-63M Smart Breaker with Bi-Directional Power Metrology
24+
Years Manufacturing Mastery
5,700 m²
TÜV Rheinland Audited Facility
92+
Certified Engineers & Specialists
100+
Global Export Destinations
Technical Integration Whitepaper
Engineering Split Core CTs & Metering in Industrial Automation
A comprehensive examination of core permeability, saturation limits, phase-angle errors, and non-invasive retrofit dynamics across Turkey’s expanding distribution grid.
Magnetic Core Architecture & Silicon Steel Permeability
Split-core current transformers (CTs) serve as non-invasive sensors across modern energy monitoring applications. The heart of any high-precision split-core sensor lies in the magnetic core chemistry. By deploying high-permeability grain-oriented silicon steel (CRGO) and advanced nano-crystalline alloys, core excitation currents are minimized. This design directly addresses air-gap reluctance across mechanical joint interfaces, ensuring Class 0.5 and Class 1 accuracy thresholds even when measuring lower fractional primary currents.
Non-Invasive Installation Without Operational Interruption
A critical engineering constraint across Istanbul’s heavy manufacturing belts—from İkitelli OSB to Tuzla industrial zones—is avoiding costly factory downtime. Split-core CTs allow snap-on mechanical clamping over live conductors without severing primary feeder cables or disassembling busbars. Integrated secondary transient voltage suppressors (TVS diodes) guarantee technician safety by actively clipping dangerous secondary open-circuit overvoltages under primary energization.
Harmonic Distortion Filtering & Linearity at High Frequencies
Industrial loads driven by Variable Frequency Drives (VFDs), arc welders, and large-scale solar inverters inject harmonic distortions (3rd, 5th, and 7th order harmonics) back into the distribution network. Precision split-core transformers combined with smart IoT switching relays are engineered to maintain high linearity over a broad dynamic spectrum (45Hz–400Hz), ensuring true RMS power calculations and preventing phase shifts that skew energy billings.
| Series Configuration | Primary Current (Ip) | Secondary Output (Is / Vs) | Accuracy Class | Isolation Voltage | Operating Frequency |
|---|---|---|---|---|---|
| SCCT-Mini (Micro Clamp) | 5A to 100A | 0–50mA / 0.333V AC | Class 0.5 / Class 1.0 | 3.0 kV / 50Hz 1 min | 50Hz / 60Hz (Class A) |
| SCCT-Mid (Cable Feeders) | 100A to 600A | 1A AC / 5A AC / 0.333V | Class 0.5 | 3.0 kV / 50Hz 1 min | 45Hz – 400Hz |
| SCCT-Heavy (Busbar Clamps) | 400A to 3000A | 1A AC / 5A AC | Class 0.5s / Class 0.5 | 6.0 kV impulse | 50Hz / 60Hz |
| TORT/TOS Relay Interface | 16A to 63A Direct | Dry Contact / Solid State | < 0.5% drift over temp | 2.5 kV dielectric | 50/60Hz system matched |
Localized Deployments
Engineering Split Core CTs Across Istanbul's Industrial Landscape
Real-world integration scenarios across Turkey's logistics hubs, maritime facilities, renewable installations, and textile production zones.
İkitelli & Dudullu Organized Industrial Zones (OSB)
Istanbul’s massive manufacturing districts require granular energy accountability. Split-core CTs interface with multi-channel submeters along injection molding lines and CNC production bays. Coupled with smart Bluetooth and DIN-rail digital timers, facility teams automate machinery shutdown sequences during peak-rate tariff brackets (TEDAŞ/EPDK multi-rate structures) without resetting main distribution feeders.
Tuzla Shipyards & Maritime Automation
The marine repair and dock facilities in Tuzla present severe electrical noise, high humidity, and salt-laden corrosion. Split-core transformers and heavy-duty automatic transfer control components provide isolated galvanic current monitoring for shore-to-ship synchronization boxes and high-capacity pump control relays, resisting vibrational mechanical drift via nylon-66 flame-retardant housings.
High-Rise Commercial Infrastructure & Hospitals in Levent & Maslak
Corporate towers and private healthcare facilities demand uninterrupted power continuity. Split-core sensors feed power factor correction (PFC) banks and secondary building management systems (BMS). Paired with automatic transfer switch (ATS) modules, they track harmonic imbalance, load shedding parameters, and standby diesel generator transfer operations without taking critical distribution buses offline.
Macro Trends & Regulatory Directives
Shaping the Future of Turkish Power Distribution
The regulatory and infrastructural catalysts driving split-core instrumentation, digital submetering, and grid protection adoption across the Marmara region.
Compliance with EPDK National Energy Efficiency Targets
The Turkish Energy Market Regulatory Authority (EPDK) continually updates standards mandating industrial efficiency and reactive power mitigation. Factories exceeding specific inductive-to-active or capacitive ratios face steep financial penalties. Retrofitting legacy distribution panels with split-core current transducers allows engineering teams to deploy targeted automated correction banks and multi-circuit digital timers with minimal installation cost.
Expansion of Commercial Solar PV Self-Consumption Schemes
Rooftop solar installations on logistical centers and manufacturing facilities along the Gebze-Istanbul corridor are accelerating under Net Metering regulations. Split-core CTs provide zero-feed-in control feedback to multi-string inverters, ensuring excess generation does not destabilize the local utility grid while coordinating real-time balance alongside DC miniature circuit breakers and combiner boxes.
Industrial Digitization & IoT-Enabled Panel Enclosures
Traditional analogue panel meters are rapidly giving way to smart DIN-rail metering instruments with Bluetooth, RS485 Modbus, and Wi-Fi capability. Factory managers across Turkey are shifting to edge analytics platforms that aggregate current waveforms, predict thermal degradation in heavy induction motors, and initiate remote contactor switching via intelligent programmable relays.
Manufacturing Excellence
Engineering Integrity Backed by Verified Factory Production
Combining the cost efficiency of China's primary electrical cluster in Liushi with strict compliance, ISO-certified quality controls, and rapid European logistics pipelines.
TÜV Rheinland Audited Facility & Strict QA Steps
Our 5,700 m² production base undergoes rigorous on-site verification by TÜV Rheinland. Every current sensing module, protective breaker, and digital timing relay passes through a six-stage quality assurance protocol—from raw copper stamping inspection and core permeability analysis to full dielectric withstand testing and automated trip-curve verification.
Full CE Marking & International Standards Alignment
Meeting Turkish TSE requirements begins with rigorous compliance with European electrotechnical directives. Our protection and metering portfolio satisfies CE, IEC 60947-2, IEC 61869-2 (instrument transformers), and RoHS environmental directives, ensuring streamlined customs clearance through Ambarlı port and seamless integration into domestic switchboards.
Flexible B2B Sourcing: Low MOQs & OEM Customization
We empower regional Turkish distributors, engineering procurement contractors (EPCs), and OEM panel builders with unmatched ordering flexibility. Catalog sample orders begin at just 5 pieces to support field evaluation, while our OEM/ODM design engineering team customizes coil winding ratios, lead wire terminations, branded housings, and bespoke combiner setups.
Procurement Knowledge Base
Frequently Asked Questions for Turkish Engineering Buyers
Critical considerations on secondary outputs, safety protocols, customs documentation, and retrofit compatibility.
What secondary output should we specify for retrofit submetering in Istanbul factories: 5A, 1A, or 333mV?
For existing legacy panels equipped with traditional electro-mechanical iron-vane meters, a 5A secondary is standard. However, modern IoT submetering instruments and PLCs deployed in modern Turkish facilities increasingly standardize on 333mV AC millivolt outputs or 1A secondaries. The 333mV option eliminates the hazard of dangerous high voltages if the secondary leads are accidentally disconnected under load and significantly reduces thermal dissipation across long cable runs.
Can your split-core current transformers and protection devices clear Turkish Customs without delay?
Yes. Turkey operates in a Customs Union with the European Union (A.TR movement certificate framework). Our products carry valid CE declarations of conformity, RoHS documentation, and factory test reports aligned with relevant IEC standards. Consignments processed through Istanbul customs entry points (Ambarlı, Muratbey, or Sabiha Gökçen air cargo) clear seamlessly when matched with our provided commercial invoices and packing lists.
How do you protect against catastrophic open-circuit faults on CT secondaries?
Traditional solid-core CTs develop lethal multi-kilovolt inductive spikes if their secondary circuit is opened while primary power flows. Our split-core current transformers incorporate high-speed internal transient clamping circuitry (bidirectional TVS diode arrays). If secondary wiring is accidentally severed during panel upgrades or technician maintenance, the clamping circuit limits peak terminals to non-hazardous potential (<10V), protecting personnel and switchgear.
What is the minimum order quantity (MOQ) and production turnaround for OEM branded units?
Standard catalog products (including digital timers, voltage monitors, and common split-core CT ratios) have a low trial MOQ of just 5 units, allowing contractors to complete bench tests and pilot installs. For private-label OEM manufacturing (custom laser markings, special lead lengths, custom enclosure colors, and custom coil ratios), the MOQ is evaluated per specification, typically starting around 100 to 500 units with rapid prototyping schedules.
How do temperature extremes in Marmara and Anatolian industrial zones impact CT measurement drift?
Our current transformers and protection devices use thermal-stabilized magnetic core alloys and UL94-V0 rated self-extinguishing polybutylene terephthalate (PBT) or ABS housings. Rated for continuous operation between -25°C and +65°C, core permeability changes remain under 0.2% across this band, ensuring that accuracy classes (Class 0.5/1.0) do not drift during hot Turkish summer factory loads or unheated outdoor substation enclosures.
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