Programmable
TOMZN New Type Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH Relay Timer AC 220V 230V 12V 24V 48V 16A
DIN-Rail
16A Relay
7-Day Cycle
24+
Years Technical Expertise
5,700 m²
TÜV Assessed Facility
0.5s / 0.2s
Metering Accuracy Class
100%
CE Marked & Dielectric Tested
Catalog Selection
Featured Measurement, Timing & Sensing Solutions
High-reliability components engineered for seamless integration into distribution boards, solar combiner boxes, and motor control centers across Hama's power grid.
Multifunction
TORT7 Series Delay-ON Delay-OFF 10in1 Asymmetric Cycler Time Relay Multi-function Timer Switch 0.1S-10D Pulse Generator
10-in-1 Modes
0.1s - 10 Days
Wide Voltage
Smart Control
TOMZN Bluetooth Smart Timer Switch 85-265VAC 10A 30A EasyCon Wall-mounted Countdown 28 Groups Timing Loop Timing
Bluetooth
85-265V AC
30A Heavy Load
DIN 35mm
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Wall-mounted Timing Countdown Loop Timing AC85-265V 40A
40A Rated
DIN / Wall Dual
App Sync
High Amperage
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A 85-265V EasyCon App Remote Control DIN Rail Countdown Loop
Up to 63A
EasyCon App
DIN-Mounted
Dual Contact
TOMZN 1NO 1NC Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH Relay Timer AC 220V 230V 16A
1NO + 1NC
Isolated Circuit
Multi-voltage
Energy Metering
DIN Rail Digital Current & Voltage Metering Module with Integrated Sensing Transformer
Direct & CT Input
High Precision
Dual Display
Split-Core Type
Adjustable Current Transformer Monitoring Relay & Over-Current Sensing Device 63A-80A
Class 0.5S
Over-Trip Relay
kWh Tracking
Comprehensive Engineering Overview: Current Transformers in Hama's Power Infrastructure
In Hama, Syria—an essential agricultural, industrial, and trading corridor connecting central Syria to the coast and the northern plains—electrical distribution faces unprecedented operational hurdles. Heavy dependence on hybrid power architectures, frequent load-shedding cycles, alternating generation between regional thermal grids, municipal transmission lines, industrial diesel generators, and rapidly growing private solar PV farms makes precision electrical instrumentation and isolation paramount.
Current transformers (CTs) serve as the sensory backbone for electrical protection, sub-metering, and load automation. Without calibrated, CE-certified current sensing devices, protection breakers (such as MCCBs and AC contactors) cannot execute accurate trip curves, leading to either nuisance tripping during pump startup or catastrophic thermal runaway across switchgear buses during short circuits.
Key Localized Technical Demands in Hama
Harmonic Distortion Filtering
Widespread deployment of modified sine-wave diesel generators and variable-frequency drives (VFDs) for deep-well irrigation in the Orontes River basin injects high-order harmonics. CTs must maintain saturation stability without phase shifts up to the 15th harmonic.
Extreme Thermal Resilience
Summer ambient temperatures in Hama frequently exceed 42°C, with distribution panels reaching internal cabinet temperatures beyond 65°C. Primary measuring cores must use high-grade oriented silicon steel to curb hysteresis loss and eddy currents.
Dielectric Breakdown Strength
Sudden utility re-energization transients and inductive kicks from switching multi-megawatt motor banks demand class-leading insulation resistances exceeding 100MΩ and dielectric withstand ratings up to 3kV for 1 minute.
Localized Application Scenarios in Hama
Zhejiang TMB Electric Co., Ltd. has analyzed empirical data across low-voltage deployments in Hama's diverse industrial and agricultural segments:
- Agricultural Irrigation Micro-Grids: Along the outskirts of Salamiyah and Mahardah, agricultural pumps rely heavily on hybrid PV-diesel setups. Our split-core and solid-core DIN-rail CTs integrate with ATS controllers and timer relays (such as the TOMZN TORT7 and TOS6 series) to coordinate time-staged motor soft-starting, eliminating transient peak collapses.
- Food Processing & Flour Mills: Hama's prominent grain milling, confectionery, and olive oil packaging facilities demand 24/7 continuous process monitoring. Precision Class 0.5 CTs feed energy meters to track phase imbalances, power factors, and motor health indicators before winding degradation causes unrecoverable line halts.
- Municipal & Commercial Distribution Retrofitting: Due to historic infrastructure wear, retrofitting existing switchboards with busbars is challenging. Compact split-core current sensors allow contractors to install measurement gear without dismantling high-current busbars, saving critical downtime in hospitals and commercial cold storages.
Localized Development Trends for Measuring & Protection Equipment
The electrification landscape in Hama is transitioning from passive manual circuit switching to smart telemetry, scheduled energy conservation, and automated failover control. Three defining macro trends are visible:
- Integration of Micro-CTs with Smart Relays: End-users are increasingly adopting smart DIN-rail circuit breakers that incorporate miniature current sensing loops for wireless (Bluetooth/WiFi) kilowatt-hour telemetry and programmable overload thresholds.
- Hybrid PV-Storage Integration: Grid instability requires commercial operators to deploy bidirectional metering. Current transformers installed on both the AC inverter side and the battery backup side allow hybrid inverters to prevent grid feedback while preventing storage bank over-discharge.
- Demand for Rigid CE Certification & Physical Robustness: Local Syrian electrical procurement engineers actively seek manufacturers capable of providing genuine CE conformity declarations, flame-retardant VO-grade polycarbonate bodies, and standardized secondary terminal safety covers to mitigate accidental electrical contacts in tight panel spaces.
| Transformer Architecture | Primary Current Range | Accuracy Class | Key Regional Advantage in Hama |
|---|---|---|---|
| Solid-Core Toroidal CT | 5A – 600A | Class 0.5, 0.5S | Highest magnetic saturation headroom; ideal for newly fabricated panels and agricultural MCCs. |
| Snap-On Split-Core CT | 100A – 2000A | Class 0.5, 1.0 | Non-intrusive live installation; perfect for aging municipal infrastructure retrofits with no downtime. |
| Miniature DIN-Rail CT Module | 1A – 63A | Class 1.0 | Modular 35mm rail mounting; pairs natively with timers, smart contactors, and digital kWh monitors. |
| Protection-Grade CT (5P10 / 10P10) | 50A – 4000A | Protection 5P10 | Maintains linear proportionality up to 10× rated current under short-circuit conditions for relay tripping. |
Frequently Asked Questions by Electrical Importers & Contractors in Hama
How do I determine the appropriate CT ratio and burden (VA) for local generator control panels?
Select a primary current rating approximately 120% to 125% of your generator or distribution feeder’s maximum full-load amperage. The secondary rating is typically standardized at 5A (or 1A for long-distance wiring runs to minimize loop resistance). For burden capacity, calculate the total impedance of the secondary wiring circuit plus the internal resistance of connected meters and relays, ensuring the CT operates at 25%–100% of its rated VA for guaranteed Class 0.5 accuracy.
Can split-core current transformers be safely installed on energized cables in Hama?
Yes, our split-core CT series is specifically designed for live non-intrusive installation. However, an open-circuit secondary condition creates hazardous high voltages. Our split-core units incorporate built-in transient voltage suppression (TVS) diodes or terminal shorting mechanisms to safeguard technical personnel from electric shocks during live wire enclosure clipping.
What is the difference between metering class (0.5/0.2) and protection class (5P10) CTs?
Metering class CTs (Class 0.5, 0.2S) are designed to saturate shortly above the rated current to shield delicate digital instruments from surges. Protection class CTs (5P10, 10P10) are engineered to prevent saturation up to 10 or 20 times the nominal primary current, allowing safety relays to detect short-circuit faults accurately and initiate circuit breaker isolation.
Are your products compatible with high temperature and dusty cabinet environments common in Syria?
All our current transformers, timers, and modular devices are injection-molded using heat-resistant, self-extinguishing flame-retardant polymers (UL94-V0 compliant). They are rated for continuous operation between -25°C and +65°C without dielectric degradation or mechanical cracking under high dust and dry heat exposure.
What documentation is provided to satisfy customs clearing and project verification in Hama?
Every export consignment is accompanied by formal CE conformity certificates, factory test certificates (covering ratio error, phase displacement, and insulation resistance), commercial invoices, packing lists, and TÜV Rheinland on-site audit credentials. Detailed CAD dimensional drawings and wiring schematics can be supplied upon project submission.
How can local contractors combine your timer relays and ATS modules with CT monitoring?
A common setup in Hama integrates a current transformer with an over/under-voltage protection relay or smart breaker (such as the TOMZN 63A/80A series). When the CT detects unmanageable overload during grid transitions, the ATS switches to auxiliary generator power, while our weekly programmable or Bluetooth timers manage load-shedding to prevent generator stalling.
Optimize Your Energy Distribution with Factory-Direct Engineering
Contact our senior technical team to request full product catalogs, CE conformity test reports, or customized OEM/ODM production runs tailored to your municipal, commercial, or solar installations in Hama.
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