TOS7 Series
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A
85-265V EasyCon App Remote Control DIN Rail Countdown 28 Groups Timing Loop for automated sub-distribution panels.
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Factory Inventory Showcase
Precision Energy Metering & Smart Control Lineup
Explore our certified DIN-rail smart metering instruments, IoT pulse communicators, and programmable switching units calibrated to withstand Arabian Sea salinity and high ambient temperatures.
Programmable
TOMZN New Type Din Rail Single Phase 7 Days Programmable
Weekly digital relay switch AC 220V 230V 12V 24V 48V 16A with non-volatile memory for uninterrupted cycling.
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Industrial Relay
TOMZN 1NO 1NC DIN Rail Single Phase Weekly Time Switch
Relay timer AC 220V-230V 16A featuring isolated contact architecture for dual-circuit control and load sheds.
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TORT7 Series
TORT7 Series Delay-ON Delay-OFF 10in1 Asymmetric Cycler
0.1S-10D multi-function pulse generator interval timer switch for industrial motor sequence protection.
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TOS6 Series
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail
Wall-mounted & DIN dual-purpose countdown loop timing AC 85-265V 40A heavy-duty contact switch.
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EasyCon App
TOMZN Bluetooth Smart Timer Switch 85-265VAC 10A 30A
EasyCon wall-mounted & panel mount 28 groups timing loop countdown switch with wireless commissioning.
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kWh Metering
TOB9e-63M WiFi Smart Breaker with Precision kWh Metering
Integrated digital energy sub-metering, over-current cutoff, and cloud monitoring across 110V/230V networks.
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V/A/kWh Dual
Adjustable Voltage Protector with Energy Metering Display
63A/80A dynamic surge, sag, over-under voltage protection with real-time digital active energy tracking.
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Factory Performance & Export Verification
TÜV Rheinland Verified Manufacturing Capabilities
Operating from Liushi, Wenzhou—China’s low-voltage electrical capital—Zhejiang TMB Electric Co., Ltd. integrates 24 years of tooling expertise, automated calibration rigs, and precision testing apparatus.
24+
Years Industry Experience
5,700 m²
Audited Plant Floorspace
92
Certified Production Staff
$3.3M+
Verified Annual Export Value
TÜV Rheinland On-Site Assessed
Unlike trading intermediaries, our manufacturing operations undergo stringent on-site audits. Facility footprint, precision calibration benches, dielectric testing instruments, and raw-material copper purity are verified directly by international inspection teams.
Liushi Supply-Chain Speed
Situated at the core of the Liushi electrical manufacturing cluster, our component sourcing radius for non-magnetic shunt resistors, Class 1.0 metering micro-controllers, and anti-corrosive polycarbonate enclosures is measured in hours, keeping production lead times under 15 days.
OEM/ODM & Flexible Scaling
From low trial order thresholds (MOQ from 5 pieces) to full private-label laser etching, custom firmware baud-rate settings, and Oman Distribution Company (Nama Group) pre-qualification paperwork, we provide dedicated engineering support for commercial contractors.
Localized Engineering Application
Deploying Digital Energy Meters Across Salalah’s Infrastructure
Salalah and the broader Dhofar governorate represent a unique operational zone within the GCC. Between coastal monsoon humidity and massive logistics modernization, digital energy meters must meet rigorous local specifications.
Port of Salalah Logistics & Freezone
Continuous heavy container handling, cold-storage warehouses, and logistics terminals require sub-metering systems with Modbus RS485 and pulse outputs to isolate branch consumption and prevent neutral-line harmonic overloads from automated crane drives.
Khareef Seasonal Hospitality Sub-Metering
During the humid Khareef season, hotels, resort developments, and rental properties experience sudden surge loads from HVAC chillers. DIN-rail digital sub-meters with Bluetooth and app-based telemetry enable automated multi-tenant billing and prevent utility disputes.
Commercial Solar PV Net-Metering
As commercial rooftops across Raysut Industrial City adopt grid-tied PV systems, bi-directional 4-quadrant energy meters accurately calculate forward export and reverse import active/reactive energy, interfacing smoothly with inverter communication boards.
Dhofar Municipal Pump Stations
Agricultural estates in the coastal plain and municipal water distribution stations use integrated multifunction energy meters to correlate daily kWh draw with mechanical pumping volumes, exposing motor winding inefficiencies before failure occurs.
Market Trends & Oman Vision 2040
The Evolution of Metering Technology in Southern Oman
Electrical engineers, EPC procurement managers, and MEP consultants in Salalah are shifting rapidly from electromechanical legacy counters to connected solid-state instrumentation.
Integration of AMI Smart Grids
Oman's National Energy Strategy is driving Advanced Metering Infrastructure (AMI). Sub-metering points within industrial distribution boards must now output synchronized pulses or standard Modbus protocols to tie into centralized Building Management Systems (BMS) and cloud SCADA.
Extreme Marine Humidity Tolerance
Salalah’s relative humidity can exceed 90% during the summer fog. Standard meters suffer tracking degradation and copper oxidation. Procurement trends now mandate conformal PCB coatings, flame-retardant V0 enclosures, and anti-sulfuration terminal plating to ensure 10+ year longevity.
Granular Power Quality Analytics
Contractors no longer settle for gross kWh monitoring alone. Modern project tenders demand meters calculating Total Harmonic Distortion (THD), phase unbalance, voltage dips, and instantaneous PF (power factor) to prevent stiff utility penalties imposed by regional transmission entities.
| Evaluation Parameter | Standard Low-Voltage Meter | TMB Engineered Salalah-Grade Meter | Field Benefit in Dhofar Region |
|---|---|---|---|
| Operating Temp / Humidity | -10°C to +45°C; 75% Non-condensing | -25°C to +70°C; 95% Tropicalized Conformal | Resists Khareef mist, thermal box soaking, and PCB corrosion |
| Accuracy Class (Active) | Class 2.0 (±2.0% error band) | Class 1.0 (IEC 62053-21) / Class 0.5S Optional | Minimizes commercial sub-tenant billing disputes |
| Harmonic Tolerances | Measures fundamental 50Hz only | Measures up to 31st Harmonic order & THD | Detects non-linear chiller and motor VFD distortions |
| Enclosure Protection | ABS Standard (UL94-HB) | Polycarbonate / Anti-UV Flame-retardant V0 | Prevents structural embrittlement under coastal sunlight |
| Data Communication | Manual optical counter only | Modbus-RTU RS485, Pulse output, Bluetooth/WiFi | Ready for immediate building automation & BMS interface |
Procurement Knowledge Base
Frequently Asked Questions by Omani Contractors & Buyers
Key technical, regulatory, and logistics answers for electrical procurement specialists importing Chinese digital energy meters into Salalah.
Are TMB digital energy meters compliant with Oman's electrical distribution standards?
Yes. Our digital energy meters are calibrated and manufactured according to IEC 62052-11 and IEC 62053-21 international standards, matching the low-voltage operating conditions of the Dhofar Power Company (Nama Supply / Nama Distribution) grid (240V single-phase / 415V three-phase at 50Hz). CE certificates, factory calibration certificates, and independent lab test reports are supplied with every export batch.
How does the factory address coastal humidity and salt-fog degradation in Salalah?
For products destined for Gulf marine environments, we apply automated double-dip acrylic conformal coatings across all internal Printed Circuit Board Assemblies (PCBA). This hermetically seals SMD components, micro-controllers, and solder joints against moisture-induced dendritic growth. Furthermore, external screw terminals utilize nickel-plated brass to avoid galvanic corrosion when tightened with regional copper cabling.
What are the shipping routes, transit times, and documentation for Salalah Port?
Cargo departs directly from Ningbo or Shanghai maritime ports with direct liner service to the Port of Salalah, taking approximately 16 to 22 days of ocean transit. We provide complete customs clearance documentation packages including legalized Certificates of Origin, commercial invoices attested where required, detailed packing lists, and Bayan customs pre-clearance data.
Can we order sample units with customized laser-etched branding and CT ratios?
Yes. We support low-threshold trial runs starting at 5 pieces for standard catalog devices. For OEM clients, our factory provides high-resolution laser marking of your company trademark, technical wiring schematics, customized current transformer (CT) primary/secondary multiplication ratios (e.g., 50/5A to 2000/5A), and localized Arabic/English product packaging.
What is the warranty and field failure policy for commercial MEP projects?
All TMB digital energy meters, smart breakers, and automated timer relays carry an eighteen (18) month standard manufacturer replacement warranty from the bill of lading date. Each unit features internal non-volatile EEPROM memory that preserves historical metering registries, maximum demand profiles, and event logs through prolonged power blackouts.
Consult Our Metering Engineers for Your Salalah Project
Send your project schedule, single-line diagrams, or tender specifications. Our technical engineering division will generate model selection sheets, dimensional drawings, and FOB/CIF Salalah wholesale pricing within 24 hours.