Bluetooth Enabled
TOMZN Bluetooth Smart Timer Switch 85-265VAC 10A 30A EasyCon Wall-mounted Countdown 28 Groups
85-265VAC
30A Load
28 Programs
Enterprise Product Portfolio
Industrial-Grade Programmable & Astronomical Relays
Configured specifically for Sana'a commercial microgrids, off-grid residential complexes, and urban irrigation networks requiring sub-minute astronomical switching and wide operating voltages.
High Amp DIN
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A 85-265V EasyCon DIN Rail Countdown Loop
40A/63A
DIN Rail
Loop Timing
Universal DC/AC
TOMZN DIN Rail Single Phase Weekly 7-Day Programmable Digital Timer Relay AC 220V 12V 24V 48V 16A
12V-220V
7-Day Cycle
16A Relay
Dual Circuit
TOMZN 1NO 1NC DIN Rail Single Phase Weekly Programmable Digital TIME SWITCH Relay AC 230V 16A
1NO + 1NC
Microprocessor
Lithium Backup
10 Functions
TORT7 Multi-Function Delay Relay 10-in-1 Asymmetric Cycler Timer Switch 0.1s-10d Pulse Generator
0.1s-10 Days
Cyclic Control
Multi-Voltage
Heavy Duty
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Wall-Mounted Timing Countdown 40A
40A Direct
App Configuration
Flame-Retardant
Grid Protection
Dual-Display Adjustable Voltage Protector with Integrated Scheduled Timer & kWh Telemetry 63A/80A
Under/Over Volt
Energy Meter
Auto Recovery
ATS Integration
HT-9WAY Distribution Enclosure System: Dual Power Automatic Transfer Switch with Synchronized Digital Timer
ATS + Timer
IP65 Outdoor
2P 63A Incomer
24+
Years Manufacturing Experience
5,700m²
TÜV Assessed Liushi Plant
100+
Countries Export Footprint
85-265VAC
Brownout-Resistant Tolerances
Field Engineering Realities
Localized Application Scenarios in the Sana'a Basin
Deploying precision timing in Sana'a requires overcoming extreme power fluctuations, high solar irradiance, and elevated altitude atmospheric de-rating.
Solar-Diesel Hybrid Automation
Due to the collapse of the unified municipal electric grid, commercial facilities in Sana'a rely on private diesel generators and solar microgrids. Our astronomical switches automate switching schedules based on seasonal sunrise/sunset data, shedding high-demand loads before inverter cut-off.
Deep-Well Agricultural Pumping
In the surrounding Sana'a plateau, agricultural wells require precise cyclic pumping to replenish overhead balancing tanks without draining localized subterranean aquifers. Our multi-function timer relays prevent motor overheating via defined run-and-pause intervals.
Municipal Commercial Street Lighting
Traditional photoelectric daylight sensors in Sana'a regularly fail due to atmospheric dust and severe sandstorms. Microprocessor astronomical switches eliminate dust-blinded false switching by calculating dusk and dawn mathematically through programmed GPS coordinates.
Strategic Market Insights
Technological Trajectories in Yemen's Electrical Sector
Analysis of switching infrastructure demands across residential, telecom, and NGO installations throughout Sana'a Governorate.
Ultra-Wide Voltage Engineering
Grid instability and private neighborhood microgrid diesel fluctuations cause line voltages to swing erratically between 90V and 280V. Modern purchasers in Sana'a mandate astronomical switches with switching switch-mode power supplies (SMPS) operating safely across 85-265VAC to avoid fried boards.
Bluetooth Low Energy (BLE) Commissioning
Physical button configuration inside cramped distribution boxes is prone to technician error in poor light. The market is shifting to BLE-enabled timers, allowing contractors to upload latitude/longitude coordinates and custom prayer/lighting profiles via offline smartphone apps.
High Altitude Thermal Dissipation
At Sana'a's altitude (~2,250 meters above sea level), reduced atmospheric density degrades both dielectric cooling and electrical arc dissipation. Specifiers now select timer enclosures with reinforced silver-alloy contacts and thermal de-rating margins to avoid contact welding.
Enterprise Credentials
Why Global Importers Partner with Zhejiang TMB Electric Co., Ltd.
Rooted in Liushi Town—the hardware heart of China's low-voltage electrical industry—offering complete engineering consistency and supply chain control.
TÜV Rheinland Verified
Our complete 5,700 m² factory campus, 92 personnel, and test labs are fully audited and verified on-site by TÜV Rheinland.
CE Marked Reliability
Our circuit breakers, timers, and ATS devices strictly meet IEC/EN standards, featuring fire-retardant VO housings and pure silver contacts.
Agile OEM & MOQ from 5 Pcs
We lower international procurement barriers by supporting trial orders starting from 5 pieces, alongside custom white-label and packaging options.
Liushi Supply Cluster
Located in China's electrical capital, we secure superior copper extrusions, bimetallic elements, and high-spec relay coils with zero lead-time waste.
Frequently Asked Questions
Technical & Commercial FAQ for Sana'a Importers
Detailed answers addressing electrical compatibility, shipping logistics, and device selection under local operating conditions.
Why is an astronomical timer superior to an optical photocell sensor in Sana'a?
In Sana'a, severe dry dust, particulate pollution, and seasonal desert sandstorms quickly coat the lenses of standard exterior photocell switches. This grime causes optical sensors to misread daylight levels, keeping heavy street lighting loads running during daytime solar charging windows. Astronomical switches compute dawn and dusk based on latitude (15.3694° N) and longitude (44.1910° E) coordinates, maintaining absolute switching precision independent of dust accumulation or weather conditions.
How does Sana'a's altitude (2,250 meters) affect time switch rating selection?
Due to reduced atmospheric pressure and thinner air at higher elevations, convective heat transfer decreases and air dielectric strength is lower. For inductive loads such as water pumps or transformer ballasts, we recommend applying a 15-20% de-rating factor or pairing our 16A/40A timer switches with an external modular AC contactor to prevent internal relay contact erosion under inductive arcing.
Will our timer schedule reset during extended blackout periods?
No. Our programmable digital and astronomical timers feature internal rechargeable lithium-ion or ultra-capacitor clock backups capable of preserving the internal microprocessor clock and all programmed schedule memory for up to 3 years without external power.
Can your astronomical timer directly control three-phase industrial motors?
The dry output contacts of DIN-rail time switches are engineered for control-circuit switching. To control three-phase irrigation pumps or industrial equipment, the timer's output should be wired directly to the coil (A1/A2) of a heavy-duty three-phase AC contactor, accompanied by our adjustable over/under voltage protection relays for complete motor safety.
What shipping routes and documentation do you offer for consignments to Yemen?
We regularly ship LCL and FCL orders through ports serving Yemen, including Aden and Hodeidah, as well as transit clearing hubs in Oman or Dubai via air cargo. We provide authenticated Commercial Invoices, Packing Lists, Certificates of Origin (CO), and TÜV test reports to ensure customs clearance without delays.
What is the standard warranty and MOQ for wholesale custom branding?
We provide a 24-month replacement warranty on all DIN-rail automation and protection lines. While catalog trial items start from an accessible 5 pieces, custom silk-screen branding and customized retail packaging start at an approachable MOQ based on your project volume requirements.
Order Direct from an Assessed Manufacturer
Secure factory-direct pricing, customized astronomical parameters, and complete electrical protection bundles for your Sana'a distribution projects today.
Inquire Now