Smart IoT
24+
Years Manufacturing
Liushi, Wenzhou electrical cluster hub
5,700m²
Production Footprint
On-site verified by TÜV Rheinland
100+
Export Destinations
CE, RoHS and international compliance
5pcs
Flexible Trial MOQ
Fast sampling for engineering approval
Enterprise Product Recommendations
High-Accuracy Energy Meters, Smart Relays & Control Units
Explore our certified DIN-rail mounted electrical hardware optimized for 220V/380V 60Hz systems, commercial sub-distribution, and digital energy management in South Korea.
DIN Rail
TOMZN 1NO 1NC Din Rail Single Phase Weekly 7 Days Programmable Digital Relay Timer 16A
Heavy Duty
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A 85-265V EasyCon App Remote Control
Multi-Function
TORT7 Series Delay-ON Delay-OFF 10-in-1 Asymmetric Cycler Time Relay Multi-Function Switch
Direct Drive
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Wall-Mounted AC85-265V 40A
Weekly Relay
TOMZN New Type Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH AC 220V 16A
WiFi Smart Meter
TOB9e-63M DIN-Rail WiFi Smart Circuit Breaker with Real-Time Precision Energy Metering
Protection + kWh
Adjustable 63A/80A Voltage Protector with Integrated Digital Watt-Hour Energy Meter
Target Market Applications
Engineered for Daegu's Modern Industrial Architecture
Daegu Metropolitan City has emerged from South Korea's textile powerhouse into a global hub for robotics, automotive components, and water technology. Our digital metering solutions are built to serve this unique industrial transformation.
Seongseo & Dyeing Industrial Complex Sub-Metering
Textile finishing and dyeing facilities in Seo-gu and Seongseo Industrial Complex experience high harmonic distortion and thermal fluctuations. Our DIN-rail mounted digital energy meters provide isolated secondary sub-metering to track departmental energy consumption, identifying compressor load leaks and boiler motor efficiencies without interfering with KEPCO boundary meters.
- True RMS measurement under inductive motor noise
- Compact DIN footprint fits dense standard Korean distribution boxes
- Direct 63A/80A current pass-through without external CTs
Daegu Technopolis & National Industrial Complex Robotics
The high-tech robotics manufacturing corridor in Dalseong-gun demands continuous monitoring of sensitive servo drives, CNC machinery, and autonomous logistics chargers. Integrating our smart IoT-enabled meters and Bluetooth programmable switches allows automated off-peak battery charging, predictive machinery maintenance, and instantaneous power quality tripping during line disturbances.
- Low-latency Bluetooth telemetry for local cabinet parameter inspection
- Programmable delay on/off protection against sudden line sags
- RS485 Modbus and wireless telemetry options for SCADA integration
Rooftop Commercial Solar & Microgrid Storage (ESS)
With Daegu's municipal commitment to the "Solar City" initiative, factory rooftop photovoltaic installations have multiplied across Dalseo-gu and Buk-gu. Our bi-directional digital energy meters coupled with DC-rated protection units accurately log net generation, grid export, and ESS battery bank state, withstanding seasonal temperature swings from cold Korean winters to humid inland summers.
- Bi-directional active energy accumulation (Import/Export kWh)
- Operating temperature range rated from -25°C to +70°C
- Flame-retardant VO grade polycarbonate outer shells
Strategic Market Evolution
Energy Transition Dynamics Shaping Sourcing in Daegu (2025–2030)
Procurement teams, panel builders, and M&E contractors across Gyeongsangbuk-do are shifting away from standalone mechanical counters toward integrated digital power analytics.
1. K-RE100 & Industrial Carbon Verification
Tier-1 automotive suppliers in Daegu feeding Hyundai and Kia are under strict supply chain audits to report audited scope-2 electricity metrics. Traditional monthly billing meters cannot apportion kilowatt-hour expenditure per stamping or painting line. Digital meters installed at downstream distribution nodes deliver the granular data required by ISO 50001 and South Korea's Carbon Footprint certification framework.
2. Digital Sub-Station Modernization & Modbus/BLE
Labor costs for manual meter reading in Korea have made analog dials obsolete. Local systems integrators now specify smart modular energy instruments featuring Bluetooth local diagnostics or RS485 bus backhauls. Plant technicians can check phase balance, power factor, and voltage sags directly through mobile interfaces without suiting up for live-panel entry.
3. Peak Demand Tariff Shaving Strategies
KEPCO’s industrial time-of-use (TOU) tariffs penalize peak-load spikes severely. Combining digital watt-hour meters with our heavy-duty programmable 7-day timer switches enables smart automated shedding of non-essential thermal equipment, water heaters, and ventilation banks during maximum tariff brackets, saving manufacturing facilities thousands of dollars annually.
| Electrical Parameter | Zhejiang TMB Digital Metric Standard | Daegu Industrial Distribution Benchmark | Korean Field Reliability Benefit |
|---|---|---|---|
| Nominal Operating Voltage | AC 85V - 265V Wide Range (50/60 Hz Auto-sensing) | AC 220V Single-Phase / 380V Three-Phase (60Hz) | Immune to line swells, voltage dips, and generator switching spikes |
| Metering Accuracy Class | Class 1.0 (IEC 62053-21 compliant) Active Energy | Standard Class 2.0 or Uncalibrated Relative Display | Approved for precise cost center sub-billing and carbon calculation |
| Current Rating (Direct Pass) | Direct pass-through up to 63A / 80A / 100A options | Often requires separate external CT coils below 50A | Saves 40% cabinet space; simplifies installation in pre-existing DBs |
| Wireless Telemetry & Logic | Bluetooth BLE 5.0 (EasyCon) + 28 Programmable Time Groups | Manual mechanical dials or fixed pulse dry-contact only | Instant app synchronization; zero physical contact with live terminals |
| Dielectric & Impulse Withstand | ≥ 2.5 kV RMS 1min / 6 kV 1.2/50μs impulse withstand | Standard domestic residential grade (1.5 kV) | Survives motor back-EMF surges in robotics and metal fabrication shops |
Enterprise Supply Chain Strength
Why Daegu Distributors & OEMs Partner with Zhejiang TMB Electric
Combining 24 years of manufacturing heritage in China's low-voltage capital with rigorous third-party certifications and supply chain agility.
Liushi Town Low-Voltage Ecosystem
Our 5,700 m² factory is situated at the epicenter of China’s electrical manufacturing base in Liushi, Wenzhou. With silver contact foundries, precision micro-machining, copper stamping, and high-temp terminal molders located within an 8-kilometer radius, we maintain unmatched component traceability and lead times, shielding buyers from macro supply disruptions.
- Rapid raw material replenishment and custom tooling
- In-house SMT surface mount assembly lines for digital PCBA
- Annual verified export volume exceeding US$ 3.3 Million
TÜV Rheinland Assessed & CE Certified
Confidence begins with transparency. Our manufacturing facilities, employee safety conditions, and test benches have been independently verified on-site by TÜV Rheinland. Our digital energy meters, AC/DC circuit breakers, and automatic transfer switches carry CE documentation and test logs complying with IEC 60947 and IEC 62053 specifications.
- 100% full-load trip and thermal burn-in testing before packing
- Complete product datasheets, CE declarations, and test certificates
- Consistent quality control across small trial and 40ft container runs
OEM / ODM Engineering for Korean Brands
We supply white-label manufacturing services to Korean domestic electrical brands, engineering wholesalers, and panel builders. We customize front-panel laser printing, silk-screened brand logos, custom packaging boxes, Korean/English user manuals, and pre-programmed default timing profiles designed specifically for Daegu municipal bids.
- Low initial trial order requirement (MOQ starting at 5 pcs)
- Customized current rating & threshold combinations available
- Air/sea consolidated logistics with customs clearance paperwork
Frequently Asked Questions
B2B Procurement Guidelines for Korean Importers
Clear, direct answers regarding standards compatibility, logistics to Busan/Daegu, and technical specifications.
Are these meters fully compatible with South Korea's 60Hz power grid?
Yes. While China utilizes 50Hz, our digital energy meters and microcomputer timing relays feature auto-sensing digital microcontrollers calibrated for dual 50Hz / 60Hz operation. Voltage circuits are designed for 220V AC single-phase and 380V AC three-phase grids, functioning smoothly without phase drift or frequency error.
Can these meters replace or interface with KEPCO revenue billing meters?
These units are designed as secondary sub-meters (sub-distribution level). Under South Korea's Electric Utility Act, official primary revenue billing is reserved for KEPCO-sealed revenue meters. Our units are installed downstream in tenant panels, machine control cabinets, and branch distribution boards for internal energy cost allocation, machine health tracking, and departmental sub-metering.
What is the typical shipping lead time from Wenzhou to Daegu?
Wenzhou offers direct multimodal shipping connections. For express sampling and urgent batches under 100 kg, air courier (SF Express, DHL, FedEx) reaches Daegu in 3 to 5 business days. Sea freight shipments from Ningbo or Shanghai Port reach Busan Port within 2 to 3 days, followed by customs clearance and truck transfer to Daegu warehouses within 48 hours.
What is your minimum order policy for Korean engineering firms?
Unlike state-run conglomerates that demand container-load minimums, we welcome engineering evaluation batches. Standard catalog units start at an MOQ of just 5 pieces (with selected programmable timer units starting from 1 piece). For OEM customized silk-screen branding and custom retail box packaging, MOQ starts at 500 pieces per model.
How does the Bluetooth programming app function without internet connection?
Our TOS7-B and EasyCon-compatible modules connect via local direct Bluetooth Low Energy (BLE). This is particularly advantageous inside shielded basement distribution vaults or factory floors in Daegu where cellular reception is poor. Technicians do not need cloud account credentials or Wi-Fi coverage to adjust weekly schedules or download cycle logs.
Can you provide Korean language datasheets and Certificates of Origin (Form RCK)?
Yes. We support bilateral trade under the China-Korea Free Trade Agreement (CKFTA) and RCEP. We furnish certified Certificates of Origin so that Korean importers can enjoy preferential customs tariff treatment. Full English electrical schematics and editable packaging templates are provided for Korean localization.
Accelerate Your Energy Distribution Projects in Daegu
Connect directly with Zhejiang TMB Electric's export technical engineering desk. Receive factory-direct wholesale pricing, project tender specifications, and fast prototype samples delivered straight to Gyeongsangbuk-do.
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