TÜV Rheinland Verified Factory Direct · Liushi, Wenzhou

China Wholesale Split Core CT Suppliers & Exporter serving Zarqa

Engineered for Retrofit Sub-Metering, Solar PV Combiner Integration, and Real-Time Grid Monitoring Across Zarqa's Heavy Industrial and Commercial Power Infrastructure.

Class 0.5 / 1.0 IEC 61869-2 Precision
Zero-Downtime Split-Core Snapping
Fast Jordan Logistics & Custom Ratio OEM
Precision Metering Hardware

Export-Grade Split Core Current Transformers & Energy Control Units

From non-invasive split-core instrumentation for switchboard retrofits to modular DIN-rail digital timers and smart WiFi breakers, our Liushi manufacturing line delivers compliant, field-tested monitoring hardware directly to procurement teams and panel builders across Zarqa, Jordan.

7-Day Control TOMZN New Type Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH

TOMZN New Type Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH Relay Timer AC 220V 230V 12V 24V 48V 16A

  • Rated Contact: 16A Resistive Load
  • Voltage: 12V to 240V AC/DC Multi
  • DIN Rail 35mm Precision Timing
Technical Specs
Dual Contact TOMZN 1NO 1NC Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH

TOMZN 1NO 1NC Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH Relay Timer AC 220V 230V 12V 24V 48V 16A

  • Output: 1 Normally Open + 1 NC
  • Memory Backup: Lithium Battery
  • Certified: CE, RoHS Compliant
Technical Specs
Bluetooth BLE TOMZN Bluetooth Smart Timer Switch 85-265VAC EasyCon App Control

TOMZN Bluetooth Smart Timer Switch 85-265VAC 10A 30A EasyCon Wall-mounted Countdown 28 Groups Timing Loop Timing

  • Remote Protocol: Bluetooth EasyCon
  • Rated Ampacity: 10A / 30A Heavy
  • 28 On/Off Groups + Cycle Loop
Technical Specs
Heavy Load 40A TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Wall-mounted

TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Wall-mounted Timing Countdown Loop Timing AC85-265V 40A Tomzn Official

  • Current Rating: 40A Continuous
  • Operating Voltage: 85V - 265V AC
  • Smart Automation Calibration
Technical Specs
Industrial 63A TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A

TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A 85-265V EasyCon App Remote Control DIN Rail Countdown 28 Groups Timing Loop

  • High Amp Capacity: Up to 63A
  • Integrated App Smart Cycling
  • DIN Enclosure Fire-Retardant V0
Technical Specs
10-in-1 Relay TORT7 Series Delay-ON Delay-OFF 10in1 Asymmetric Cycler Time Relay

TORT7 Series Delay-ON Delay-OFF 10in1 Asymmetric Cycler Time Relay Multi-function Timer Switch 0.1S-10D Pulse Generator Interval

  • Span: 0.1s to 10 Days Multi-Range
  • 10 Functions: Asymmetric Pulse
  • High Electrical Endurance
Technical Specs
Split Core CT Series Precision Split Core Current Transformer for Industrial Metering

Precision High-Permeability Split Core Current Transformer 100A-5000A / 5A 1A Class 0.5 for Zarqa Industrial Sub-Metering

  • Apertures: 24mm, 36mm, 50mm, 80mm
  • Core: Grain-Oriented Silicon Steel
  • Accuracy: IEC 61869-2 Class 0.5
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Retrofit Sub-CT Compact Split Core Sensor with mA Output for Power Meters

Snap-On Miniature Split Core Current Sensor 50A/100A/200A to 333mV / 4-20mA Output for Commercial Energy Auditing

  • Safe Secondary: 333mV No-Open Risk
  • Ultra-Compact Housing for Tight Panels
  • UV & High-Temp Resistant Casing
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Engineering Whitepaper

Split Core CT Applications Across Zarqa's Heavy Industrial Landscape

As the premier manufacturing, refining, and industrial hub of the Hashemite Kingdom of Jordan, Zarqa presents stringent electrical demands. Split-core current transformers (CTs) solve critical retrofit bottlenecks where cutting main feeder busbars causes financially devastating facility downtime.

Zarqa Industrial Free Zone Retrofits

Continuous-process chemical plants, steel rebar rolling mills, and textile operations in Zarqa Free Zone cannot afford operational shutdowns for metering upgrades. Our split-core CTs feature self-locking hinge clamps, allowing electrical contractors to install revenue-grade monitoring over live cables safely.

  • Avoids costly factory de-energization procedures
  • Rated insulation voltage up to 0.72kV / 3kV dielectric withstand
  • Perfect for 400A to 3200A main low-voltage incoming feeders

C&I Solar PV Integration & Wheeling

With Jordan’s aggressive wheeling regulations and high solar irradiance, commercial rooftops across Zarqa utilize high-output string inverters. Split core CTs integrate seamlessly with inverter power managers and grid zero-export limiters to satisfy NEPCO and JEPCO connection codes.

  • Fast millisecond response for zero-export control loops
  • Low phase displacement error (under 30 minutes at rated current)
  • Direct compatibility with 333mV secondary smart power meters

Sub-Metering in Multi-Tenant Commercial Hubs

High retail energy tariffs in Jordan demand transparent department-level sub-metering. By deploying split-core sensors in compact distribution boards alongside digital energy meters, property managers in New Zarqa track peak kilowatt-hour loads without altering existing busbar structures.

  • Compact dimensions engineered for tight distribution board spacing
  • Flame-retardant UL94-V0 thermoplastic casing
  • Integrated shorting terminals for secondary circuit safety
Regional Market Intelligence

Technological Trends Driving Current Transformer Procurement in Zarqa

Jordan’s Energy and Minerals Regulatory Commission (EMRC) mandates stringent standards for energy efficiency, load dispatching, and power quality. Zarqa's procurement professionals are rapidly transitioning from legacy solid-core iron transformers to advanced split-core solutions.

1. Shift Towards mV & mA Safe Output Signals

Traditional 5A secondary current transformers carry catastrophic open-circuit high voltage risks. Modern electrical specifications in Jordan increasingly specify 333mV or mA outputs. If disconnected under load, these low-energy secondary split cores remain inherently safe for electrical maintenance technicians.

  • Eliminates electrocution and thermal flashover risks
  • Direct wiring to programmable logic controllers & IoT gateways
  • Lower auxiliary cabling installation costs across long panel runs

2. Real-Time Demand Side Management (DSM)

Under the time-of-day tariff structures enforced by NEPCO, industrial enterprises in Zarqa face steep peak-demand penalty charges. Split core CTs integrated with cloud energy management platforms allow factory automation engineers to identify power surges and execute automated load-shedding via time delay relays.

  • High dynamic range capturing both base loads and transient peaks
  • Low saturation under high harmonic distortion (THD)
  • Supports ISO 50001 energy auditing protocols

3. Rigorous Custom Verification for Import Clearance

Jordan Customs and the Jordan Standards and Metrology Organization (JSMO) enforce strict adherence to IEC 61869 standards. Our factory provides full manufacturer test certificates, routine accuracy verification curves, and certified origin documentation to ensure smooth port clearance at Aqaba port.

  • Standard CE marking, RoHS compliance, and ISO 9001 audit
  • Individual serial calibration test certificates per carton
  • Direct FOB Ningbo/Shanghai or CIF Aqaba shipping solutions
Transformer Type Installation Mechanism Secondary Output Range Class Accuracy System Down-Time Required Target Zarqa Industry
Split-Core Precision CT Snap-on hinge / latching bolt 1A, 5A, 333mV, 4-20mA Class 0.5, Class 1.0 Zero Downtime (Live Fit) Industrial Retrofit, C&I Solar, Data Centers
Solid-Core Ring CT Cable feedthrough / Busbar mount 5A, 1A Class 0.2S, Class 0.5 High (Requires Busbar Cut) New Switchgear Builds, OEM Substation Panels
Flexible Rogowski Coil Flexible zip-loop cable mV per kA (Requires Integrator) Class 1.0 Zero Downtime Portable Energy Audits, Irregular Tight Geometries
Direct Liushi Manufacturing Power

Zhejiang TMB Electric Co., Ltd. — 24 Years of Precision Electrical Engineering

Located in Huabei Village, Liushi Town, Wenzhou—widely recognized as China's global capital for low-voltage electrical components—Zhejiang TMB Electric Co., Ltd. operates a high-precision, TÜV Rheinland on-site verified production facility covering 5,700 m² with 92 skilled manufacturing specialists.

Our strategic position within China's densest component supply cluster enables us to control raw material sourcing—including ultra-low-loss silicon steel cores, oxygen-free copper wire, and flame-retardant polyamide enclosures—ensuring unbeatable pricing, tight batch tolerances, and reliable export fulfillment for B2B buyers serving the Zarqa and broader Jordanian market.

Zhejiang TMB Electric Co., Ltd. Factory Verification Panoramic
TÜV Rheinland Assessed 5,700 m² Facility · 24 Years Low-Voltage Focus
24+
Years in Electrical Industry
5,700m²
Certified Production Floorspace
92
Technical Production Staff
US$3.3M+
Audited Export Volume
Procurement Knowledge Base

Frequently Asked Questions by Zarqa Electrical Contractors & Wholesalers

Clear, engineering-focused answers covering technical selection, logistics to Jordan, and regulatory compliance.

What are the key technical parameters required when specifying split core CTs for Zarqa industrial switchboards?
You must specify: (1) Primary rated current (e.g., 100A up to 5000A AC); (2) Desired secondary output: 5A or 1A for standard meters, or 333mV / 4-20mA for electronic monitoring relays; (3) Internal window aperture matching the cable bundle or busbar width (typically 24mm, 36mm, 50mm, 80mm, or rectangular 120x80mm); (4) Desired accuracy class: Class 0.5 for billing/sub-metering or Class 1.0/3.0 for basic energy indicators; (5) Burden rating (VA) calculated against the secondary wire length.
Can your split-core current transformers be safely installed on live busbars without shutting down industrial production?
Yes. The mechanical split-core design allows quick snapping around existing cables without dismantling feeder connections. For models delivering voltage output (such as 333mV) or those equipped with internal zener protection diodes, the secondary winding is intrinsically safe and will not generate dangerously high open-circuit voltages during installation. However, standard safety protocols (insulating gloves, face shield) must always be followed by certified electricians.
What is the minimum order quantity (MOQ) and lead time for shipments to Zarqa, Jordan?
For standard catalog split core CTs and DIN-rail digital timers, our MOQ starts from just 5 pieces to support engineering sample verification and prototype switchboard testing. Standard batch orders ship from our Wenzhou factory within 7 to 15 days. We provide sea freight to Aqaba Port (typically 22-28 days transit) or express air freight to Queen Alia International Airport (AMM) in Amman for urgent industrial breakdown needs.
Do your current transformers and digital switches comply with JEPCO / NEPCO grid interconnection codes?
Yes. Our transformers and digital switches are built to strict IEC 61869-1, IEC 61869-2, and IEC 60947 standards, featuring CE conformity markings and accredited laboratory performance reports. These documentation packets are accepted by Jordanian distribution utilities (JEPCO, EDCO, IDECO) and transmission operators (NEPCO) when sub-metering or solar zero-export telemetry compliance is required.
Can Zhejiang TMB Electric provide custom OEM ratios, custom secondary lead wire lengths, and private branding?
Absolutely. As a direct custom manufacturer, we routinely configure custom primary/secondary ratios, provide secondary leads up to 5 meters with pre-crimped ferrule terminals, laser-mark distributor brand logos and Arabic/English bilingual schematics, and supply customized product packaging for wholesale distribution across Jordan.

Upgrade Your Zarqa Industrial Electrical Projects with Direct-From-Factory Split Core CTs

Whether you are retrofitting textile plant switchboards, building solar PV zero-export panels, or supplying local electrical trade wholesalers in Zarqa, partner directly with a 24-year TÜV Rheinland verified manufacturer.