Motor Control, Time Automation & Distribution Protection Catalog
Precision DIN-rail switchgear, intelligent cyclic motor controllers, and AC/DC circuit breakers engineered for harsh industrial operating environments across Belgrade, Vojvodina, Niš, and Šumadija.
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A/63A
7-Day Single Phase Weekly Programmable Digital Timer
Bluetooth Smart Countdown Timer Switch 10A-30A
TORT7 Series 10-in-1 Asymmetric Delay Time Relay
TOMZN 1NO+1NC Single Phase 7-Day Digital Time Switch
TOB1-63H High Breaking Capacity AC MCB 1P-4P
TOQ3 2P/4P Dual Power ATS Automatic Transfer Switch
Motor Protection Engineering for Serbian Industrial Ecosystems
From mining and metallurgy complexes in eastern and central Serbia to heavy agricultural agro-processing in Vojvodina, motor failure causes catastrophic plant downtime. Our CE-certified motor protection circuit breakers (MPCBs) deliver tailored coordination.
Mining, Aggregates & Extractive Smelting
Operating in dust-dense facilities like Bor, Majdanpek, and Kolubara requires switchgear with superior thermal withstand and high mechanical cycling. Our breakers handle Trip Class 10 and 20 curves, protecting heavy ball mills, slurry pumps, and high-torque conveyor drives against locked rotor currents and single-phasing conditions without nuisance tripping.
Agribusiness, Grain Silos & Cold Storage
Vojvodina’s expansive agricultural sector relies on multi-stage aeration blowers, grain elevators, and ammonia compressor chillers. Integrating our ambient temperature-compensated bi-metal thermal elements (-20°C to +60°C) prevents premature release during scorching Pannonian summers, preserving multi-ton grain integrity and cooling cycles.
District Heating & Municipal Water Supply
Municipal utility networks such as Beogradske Elektrane and regional waterworks demand 24/7 continuous duty. Combining our motor protection breakers with TORT7 series delay relays allows staged pump sequencing upon mains restoration, suppressing dangerous hydraulic water-hammer shockwaves and inrush-induced grid dropouts.
| Electrical Parameter | Standard Specification | Serbian Industrial Environment Fit | Compliance Reference |
|---|---|---|---|
| Rated Operational Voltage (Ue) | 230V / 400V / 690V AC, 50Hz | Directly aligned with Elektroprivreda Srbije (EPS) grid nominals | SRPS EN 60947-1 / IEC 60947-2 |
| Ultimate Short-Circuit (Icu) | Up to 100kA @ 400V (Model Dependent) | Safe installation adjacent to main low-voltage substation transformers | CE Low Voltage Directive (LVD) |
| Phase Failure Sensitivity | Differential tripping within <2.0s | Prevents asymmetric winding burnouts in rural overhead grid feeders | SRPS EN 60947-4-1 Clause 8.2.1.5.2 |
| Thermal Compensation | Bi-metallic strip, -20°C to +60°C | Withstands uninsulated metal control enclosures during Balkan continental extremes | IEC 60947-4-1 Class 10A / 10 / 20 |
| Coordination Type | Type 1 and Type 2 Coordination tested | Zero contact welding and immediate re-commissioning after short-circuit clearing | TÜV Rheinland Certified Testing |
Regulatory Trends & Grid Modernization Driving Demand in Serbia
As Serbia accelerates harmonization with the EU acquis communautaire and expands industrial free trade zones (Kragujevac, Novi Sad, Zrenjanin, Subotica), OEM machinery builders and plant modernization engineers encounter shifting electrical standards.
Serbia's current industrial renaissance is propelled by significant foreign direct investment (FDI) in automotive manufacturing, tier-1 sub-assembly, precision rubber extrusion, and green metallurgy. This industrial transition imposes uncompromising requirements on motor control centers (MCC). Legacy motor starters and manual thermal switches lack the breaking capacity, phase loss isolation, and automation interconnectivity required by modern production lines.
Furthermore, the rapid expansion of solar photovoltaic parks and hybrid agricultural pump stations throughout Vojvodina and Central Serbia demands switchgear capable of interfacing with variable backup supplies. When plants toggle between the national grid and on-site diesel generators or solar battery storage via automatic transfer switches (ATS), voltage transients and frequency dips can strain three-phase motors. Our MPCB range integrates high magnetic trip thresholds (12x to 14x In) to seamlessly absorb motor starting transients while reacting within milliseconds to destructive phase dropouts or dead shorts.
Zhejiang TMB Electric Co., Ltd. supports Serbian engineering contractors, switchboard panel builders, and procurement agencies with fully CE-marked, documentation-complete motor protection breakers that strictly conform to both EU standards and the Serbian Institute for Standardization (ISS) SRPS requirements.
- SRPS EN 60947-4-1 Harmonization: Guaranteed compatibility with Serbian machinery directives and technical import clearance.
- Low Phase Unbalance Tolerance: Tripping threshold optimized at >30% voltage/current asymmetry to safeguard squirrel-cage rotors.
- Direct 35mm DIN Rail Modularization: Unified 45mm frame width reduces enclosure footprint in standardized industrial panels.
- Auxiliary Signal Integration: Instantaneous 1NO+1NC trip indication contacts for PLC scada monitoring and audible safety alarms.
Decarbonization & IE3/IE4 Motors
Adoption of premium-efficiency IE3/IE4 motors across Serbia brings higher starting inrush currents. Our breakers feature optimized magnetic thresholds to prevent unwanted trips during initial ramp-up.
Smart Control & SCADA Telemetry
Transition from purely electromechanical panels to networked IoT enclosures, pairing breakers with Bluetooth-enabled timers and energy measurement modules for remote maintenance telemetry.
Direct Factory Partnerships
Serbian panel builders are bypassing intermediary Western European markup channels, sourcing directly from verified Liushi manufacturers to secure pricing stability and shorter order lead times.
Why Serbian Engineering Buyers Partner with Zhejiang TMB Electric
Headquartered in Liushi Town, Wenzhou—the heart of China's low-voltage switchgear industrial cluster—Zhejiang TMB Electric Co., Ltd. combines 24 years of engineering experience with world-class quality verification.
TÜV Rheinland Assessed Facility
Our 5,700 m² production base undergoes rigorous on-site factory verification by TÜV Rheinland. We maintain strict ISO9001 quality management procedures across raw copper stamping, plastic flame-retardant injection (UL94 V-0), and automated coil winding.
Liushi Supply Chain Advantage
Located directly within China’s premier electrical capital, our component turnaround for pure silver contacts, precision bimetallic strips, and high-arc extinguishing de-ion chambers is unmatched. This vertical supply integration minimizes lead times and safeguards price resilience.
100% Calibrated Tripping Rigor
Unlike assembly-only workshops, every individual motor protection breaker off our lines passes through multi-point computer-controlled current injection benches, validating both thermal overload curves and instantaneous magnetic trip speed before packaging.
OEM / ODM Custom Engineering
We provide full private label branding, customized enclosure packaging, current dial calibrations (e.g., custom dialed ranges from 0.1A to 80A), auxiliary contact combinations, and complete pre-wired IP65 distribution units for industrial machinery builders.
Balkan Export Logistics Expertise
With an annual verified export volume exceeding US$ 3.3 million, we maintain seasoned familiarity with customs requirements across the Western Balkans. We provide EUR.1 origin assistance, certified CE documentation, test declarations, and flexible Incoterms (FOB, CIF Bar/Koper, DAP Belgrade).
Low Trial MOQ (From 5 Pcs)
We empower system integrators, electrical wholesalers, and maintenance engineering teams to perform benchmark testing without large capital commitments. Catalog models start from a low MOQ of just 5 pieces, backed by full technical documentation.
Frequently Asked Questions for Serbian Electrical Importers
Direct technical and commercial answers for project engineers, procurement managers, and electrical contractors importing to Belgrade, Novi Sad, Niš, and across Serbia.
Equip Your Serbian Engineering Projects with Proven Protection
Whether you are retrofitting industrial motor control centers in Kragujevac, outfitting irrigation pumping automation in Vojvodina, or distributing low-voltage components across the Western Balkans, our engineering sales team delivers fast quotations, certified datasheets, and sample evaluation units.