Industrial Standard
TOMZN 63A/80A Adjustable Over & Under Voltage Relay with Real-Time kWh Dual Display
85V–300V Range
1A–80A Adjustable
Auto-Recovery Delay
Engineered Voltage, Current & Timing Relays for Jordan
Factory-calibrated DIN-rail electronic protectors engineered specifically to survive harsh environmental heat, wide municipal grid swings (140V–300V), and intermittent switching surges across Jordanian commercial and residential circuits.
Three Phase 4P
TOMZN 63A 3P+N Over/Under Voltage, Phase Asymmetry & Sequence Monitoring Relay
3-Phase 380V/415V
Neutral Disconnect
Motor Guarding
Smart IoT
TOMZN TOB9e-63M WiFi Smart Circuit Breaker with Voltage Protection & Remote Telemetry
App Remote Trip
Over/Under V Cutoff
Live Power Metering
Dual Transfer
TOMZN DIN Rail ATS 2P 63A/100A Dual Power Automatic Transfer Switch for PV-Generator
<50ms Fast Transfer
Grid / Solar Inverter
Silver Alloy Contacts
Weekly Digital
TOMZN DIN Rail 1-Phase Weekly 7-Day Programmable Digital Timer Switch 16A AC 220V/230V
16 ON/OFF Cycles
Backup Lithium Cell
HVAC & Water Pump
1NO+1NC Relay
TOMZN 1NO+1NC DIN Rail Programmable Electronic Timer Relay Switch Multi-Voltage
Isolated Dry Contact
Multi-Volt 12V-240V
LCD Microprocessor
Bluetooth Control
TOMZN TOS7-B Bluetooth Smart Heavy-Duty Timer Switch 40A/63A EasyCon Wireless DIN Rail
High Current Direct Load
28 Group Timing Loops
Zero-Crossing Arc Suppr
Multi-Function 10-in-1
TORT7 Multi-Function Delay Timer Relay (Delay ON/OFF, Asymmetric Cycler) 0.1S-10D
10 Operational Modes
Compressor Restart Protection
Ultra-Wide Timing Base
The Electrical Grid Dynamics in Jordan: Why Protectors Are Vital
A deep technical dive into National Electric Power Company (NEPCO), JEPCO, EDCO, and IDECO distribution realities, highlighting why DIN-rail over and under voltage protectors are required by engineering code.
1. Grid Instability and Peak-Load Thermal Swings
In Jordan, high seasonal and diurnal temperature swings—reaching over 43°C in the Jordan Valley (Ghor) and Aqaba, contrasted by sub-zero highland winters in Amman and Irbid—impose tremendous inductive loads on regional transformers. The extensive deployment of HVAC cooling equipment during peak summer hours creates extreme grid depressions (under-voltage events dropping below 175V AC). Conversely, rapid substation tap-changer adjustments and inductive load dumpings generate dangerous voltage spikes exceeding 270V–285V AC.
Standard miniature circuit breakers (MCBs) protect merely against thermal overload and short-circuits; they remain completely blind to continuous over-voltage conditions that degrade compressor windings, digital inverter driver circuits, and commercial IT infrastructure. Microprocessor-based DIN-rail over and under voltage protectors act as the first line of defense by measuring true root-mean-square (TRMS) line voltage and cleanly decoupling sensitive equipment within 0.1 seconds.
2. High Solar PV Penetration and High-Voltage Line Feed-in
Jordan ranks among the highest nations in solar irradiance globally, boasting substantial rooftop PV installations under net-metering schemes regulated by the Energy and Minerals Regulatory Commission (EMRC). In areas served by the Jordanian Electric Power Company (JEPCO) in Amman and the Electricity Distribution Company (EDCO) in the southern governorates, intense midday photovoltaic generation often drives localized feeder voltages past 253V AC (the typical inverter high-voltage limit). This voltage rise causes frequent inverter tripping or subjects downstream household appliances to sustained high voltages. Installing adjustable self-recovering voltage protective relays allows installations to dynamically manage disconnections without permanent lockouts.
Top 10 Voltage Protector Suppliers & Exporters Supplying the Jordanian Market
Comprehensive comparative evaluation for procurement managers and EPC contracting firms across Jordan.
| Supplier / Exporter | Manufacturing Hub | Primary Strengths | Key Compliance / Accreditations | Suitability in Jordan |
|---|---|---|---|---|
| Zhejiang TMB Electric Co., Ltd. (TOMZN) | Liushi, Wenzhou, China | Direct OEM/ODM manufacturer, 5700m² plant, integrated digital voltage/current/kWh displays, fast custom trip windows | TÜV Rheinland Assessed, CE Marking, ISO9001 QMS certified | Preferred for JEPCO/EDCO residential & commercial distribution boards and solar balance of systems |
| Schneider Electric Jordan | Rueil-Malmaison, France / Regional | Established commercial brand, high-tier industrial automation solutions | IEC 60947, CE, UL Listed | Large-scale institutional infrastructure; high procurement pricing |
| ABB Electrification Jordan | Zurich, Switzerland / Global Hubs | Precision measuring relays, premium modular sub-distribution units | IEC/EN 60255, CE, VDE | Heavy industrial processing plants and utility-grade transmission substations |
| Hager Group Middle East | Blieskastel, Germany | Architectural aesthetics, compact modular DIN-rail monitoring units | NF, CE, KEMA-KEUR | High-end residential villas and commercial offices in West Amman |
| CHINT Electric Jordan | Wenzhou, China / Regional Hub | Broad commercial catalog, multi-tier distributor network in Amman | ISO9001, CE, CB Scheme | General residential contracting and municipal municipal tender projects |
| Siemens Levant & ME | Munich, Germany | Advanced electronic monitoring relays with industrial fieldbus connectivity | IEC, UL, CSA, CE | Phosphate, chemical, and pharmaceutical clean-room manufacturing in Sahab |
| Legrand Middle East | Limoges, France | Integrated panel boards, commercial voltage surge/monitoring relays | NF, CE, RoHS | Commercial hospitality and hospital installations in Amman and Aqaba |
| Finder Relays ME | Almese, Italy | Dedicated phase failure, asymmetry, and micro-voltage relays | CE, cULus, EAC | HVAC chillers, cold-storage rooms, and localized pumping stations |
| Lovato Electric Middle East | Gorle, Italy | Modular monitoring relays with display screens, industrial contactors | IEC 60255, CE | Motor control centers (MCC) and backup diesel genset synchronization panels |
| Delevo Power Systems Ltd. | Shenzhen, China | Surge protectors, entry-level auto-reclosing surge breakers | CE, RoHS | Economy residential developments and secondary retail distribution |
Localized Application Scenarios in the Hashemite Kingdom
Tailored electrical defense architectures addressing real operating hazards from the Jordan Valley to the industrial zones of Zarqa.
Amman & Zarqa Multi-Family Residences
Multi-story apartments frequently suffer from loose or broken neutral conductors on municipal step-down transformers. A floating neutral creates 380V line-to-neutral surges across single-phase flats, destroying home appliances. Installing a 63A auto-recovery voltage protector with neutral disconnection immediately isolates the flat until grid symmetry returns.
Grid-Tied Commercial Rooftop PV Systems
Under Net-Metering and Wheeling setups across Irbid and Ma'an, high generation surges during clear mid-day skies can cause local busbar over-voltages. TOMZN protectors coordinate with string inverters, maintaining operational bounds without unnecessary shutoffs, and auto-reset when voltages fall below 250V AC.
Agricultural Pumping in the Jordan Valley & Ghor
High ambient heat combined with miles of overhead EDCO distribution lines yields severe line losses and phase angle imbalances. Our 3P+N relays guard multi-stage submersible irrigation pumps from phase loss, reverse rotation, and catastrophic low-voltage stall overheating.
Sahab & Al-Qastal Industrial Machinery
Injection molding, plastics processing, and CNC milling tools require strictly governed voltages within ±7%. Microprocessor-controlled relays ensure that millisecond voltage swells from switching industrial arc furnaces do not blow sensitive PLC power supplies.
Aqaba Telecom & Cold-Chain Storage
Operating in corrosive coastal air and extreme ambient temperatures exceeding 45°C, cold-chain refrigeration logistics require automated delay timers (TORT7/TOS7-B) to avoid restarting HVAC compressors against high back-pressure during cyclical grid dropouts.
Market Evolution: Next-Gen Voltage Protection Trends in Jordan
Analyzing Jordan's Energy Transition: From electromechanical trip coils to smart IoT-enabled, telemetry-driven protective hardware.
IoT Integration with Tuya & eWeLink Ecosystems
Contractors in Amman now demand DIN-rail voltage relays equipped with integrated Wi-Fi or RS485 Modbus. Through cellular gateways, facility managers can audit power quality anomalies, change voltage thresholds remotely, and log historical brownouts without opening distribution boards.
Mandatory Dynamic Delay for Inverter-Genset Transfer
With widespread installation of backup diesel generators and hybrid lithium storage batteries across commercial sites, voltage protectors are increasingly paired directly with Automatic Transfer Switches (ATS) to provide soft load reconnects after voltage recovery.
Stringent Neutral-Break Protection
Due to high historical losses from broken neutral overhead supply lines in rural Jordanian communities, electrical consultants are writing mandatory 4-pole phase and neutral voltage cutoffs into tender documents for public school and health clinic construction projects.
Why Global Importers Partner with Zhejiang TMB Electric
Built in Liushi, China's capital of low-voltage electrical technology, engineered strictly against international safety standards.
24 Years of Precision Manufacturing & Direct Supply Advantage
Operating a modernized 5,700 m² production facility with 92 verified skilled technicians, Zhejiang TMB Electric Co., Ltd. (TOMZN) brings 24 years of manufacturing excellence directly to Jordanian distributors, panel builders, and EPCs. Our facility has undergone rigorous on-site factory assessment by TÜV Rheinland, confirming our manufacturing throughput, material traceability, and testing fidelity.
Because we reside within the world's most concentrated low-voltage components cluster in Liushi Town, our lead times for high-grade copper stampings, arc chutes, silver-alloy micro-switches, and flame-retardant VO grade polymers are tightly controlled. Every single voltage protector and circuit breaker passes a 6-stage quality protocol—from incoming component calibration, thermal-magnetic trip profiling, and dielectric withstand tests (up to 2,500V) to automated 100% full-load dynamic cycling.
We respect the commercial reality of Jordanian importers: we offer flexible trial MOQs starting from just 5 pieces for standard catalog models, full OEM private label printing, custom packaging with Arabic user guides, and specialized voltage parameters adapted precisely to Jordan's grid conditions.
Frequently Asked Questions by Jordanian Buyers & Engineers
Direct technical and commercial answers for electrical wholesalers, panel board assemblers, and import managers across Jordan.
What are the recommended over and under voltage trip thresholds for Jordan's 230V/400V grid?
Jordan adheres to a nominal 230V single-phase / 400V three-phase 50Hz grid standard governed by JEPCO, EDCO, and IDECO. We recommend setting the over-voltage cutoff threshold at 255V – 260V AC (with a trip time of 0.1s to handle transient switching surges without nuisance tripping) and the under-voltage cutoff at 180V – 190V AC. The auto-reconnect delay time should be configured between 30 to 180 seconds—essential for HVAC refrigeration compressors to balance head-pressures prior to restarting.
Can TOMZN voltage protectors handle the intense heat of Aqaba and the Jordan Valley?
Yes. Our devices are constructed with high-grade, heat-stabilized flame-retardant enclosures (UL94-V0 polycarbonate) and operate cleanly within an ambient temperature spectrum of -25°C to +55°C. For distribution boards located outdoors or in direct sunlight in Aqaba or Ghor, we advise applying a 15% current derating factor or selecting our 80A rated model for 63A continuous loads to accommodate elevated internal cabinet temperatures.
What documentation and test certificates are required for clearance at Jordan Customs (Aqaba Port / QAIA)?
Jordan Customs and the Jordan Standards and Metrology Organization (JSMO) mandate CE Declarations of Conformity, commercial invoices, packing lists, and certified Certificates of Origin (CO). Our products carry full CE compliance, backed by TÜV Rheinland on-site factory verification audit reports, ISO 9001 quality management documentation, and third-party lab safety test reports according to IEC/EN 60947 standards.
How does an over and under voltage protector differ from an AC Surge Protective Device (SPD)?
This is a vital distinction: an AC SPD (Surge Protective Device) is engineered to divert nanosecond-scale, high-kilovolt transient surges caused by direct or indirect atmospheric lightning and grid switching strikes to earth. It cannot protect against sustained over-voltage events (e.g., 280V lasting several seconds or minutes due to a broken neutral). The voltage protector contains an electronic relay that continuously monitors RMS voltage and isolates the load during persistent abnormalities. For comprehensive protection in Jordan, both an SPD and an over/under voltage protector should be installed in series.
Do you support customized OEM branding and private labeling for Jordanian electrical distributors?
Yes. We support custom private labeling for leading electrical trade distributors and switchboard builders across Jordan. We offer laser-marked client branding on the product fascia, custom color boxes, Arabic/English bilingual instruction sheets, and custom-configured default parameter presets directly from our Liushi factory.
What is the standard lead time for LCL / FCL shipments from Ningbo/Shanghai to the Port of Aqaba?
Production turnaround for standard catalog protectors is typically 7 to 15 days depending on batch quantities. Ocean freight transit from Ningbo or Shanghai port to Aqaba Port typically requires 20 to 28 days depending on shipping route schedules. Air cargo via Queen Alia International Airport (QAIA) in Amman is also available for urgent project sample requirements.
Connect Directly with Our Electrical Engineering Team
Inquire about competitive wholesale export pricing, request verified sample batches from 5 pieces, or send your single-line distribution drawings for expert parameter matching across Jordan.