Programmable Time Switch Factory & Supplier in the David Market

Precision DIN-Rail Energy Scheduling, Bluetooth Multi-Loop Relays, and High-Duty Automation Engineered for Commercial, Agricultural, and Industrial Applications

Factory-Direct Solutions

Engineered for High-Frequency Load Cycles & Precision Timing

Direct from Liushi’s low-voltage production cluster. Explore our verified 7-day digital switch relays, high-amperage Bluetooth smart timers, and multi-mode cycle controllers.

40A / 63A TOMZN TOS7-B Bluetooth Smart Timer Switch DIN Rail
85–265V AC EasyCon App 28 Groups
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A 85-265V EasyCon App DIN Rail Loop
16A Relay TOMZN 1NO 1NC DIN Rail 7 Days Programmable Digital Timer Switch
1NO + 1NC 12V/24V/220V Weekly Logic
TOMZN 1NO 1NC Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH Relay
40A Heavy Load TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail
35mm Rail / Wall AC85-265V Loop Timing
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Wall-mounted Timing Countdown Loop 40A
Industrial Upgrade TOMZN New Type DIN Rail Digital Timer Switch
Digital LCD Anti-Jamming CE Certified
TOMZN New Type Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH Relay 16A
10-in-1 Control TORT7 Series Delay-ON Delay-OFF 10in1 Time Relay
0.1S-10D Range Cycler Relay Pulse Gen
TORT7 Series Delay-ON Delay-OFF 10in1 Asymmetric Cycler Time Relay Multi-function Timer Switch
Dual Mount TOMZN Bluetooth Smart Timer Switch 85-265VAC 10A 30A
10A / 30A Wall-Mount Bluetooth 5.0
TOMZN Bluetooth Smart Timer Switch 85-265VAC 10A 30A EasyCon Wall-mounted Countdown Loop
Smart Breaker TOB9e-63M WiFi Smart Breaker with Energy Metering
WiFi / App kWh Telemetry 63A Breaker
TOB9e-63M WiFi Smart Circuit Breaker with Precision Metering, Schedule Timing & Remote Disconnect
Pre-Wired Sub-Panel HT-9WAY Distribution Box with Dual Power ATS and Digital Timer
IP65 Weatherproof ATS + Timer 2P 63A 220V
HT-9WAY Weatherproof Box with Dual Power Automatic Transfer Switch & Integrated 7-Day Timer
24+
Years Engineering
5,700m²
Factory Floorspace
TÜV
Rheinland Verified
3.3M+
Annual Export (USD)
13Lines
Switch & Protection
Application Engineering

Deploying Automated Timing Solutions Across Regional Infrastructure

The David commercial and industrial hub demands low-voltage equipment capable of handling tropical humidity, grid voltage sags, and continuous duty cycles.

Agricultural Pumping & Irrigation Control

In the Chiriquí agricultural belt centered around David, high-volume irrigation demands non-stop cycling. TOMZN 16A and 40A programmable time switches interface directly with heavy-duty AC contactors to automate well pumps and drip lines during off-peak tariff hours, eliminating manual labor while safeguarding pump motors from dry-run overcycling.

Commercial HVAC & Cold-Chain Management

Commercial shopping districts, supermarkets, and refrigerated storage units across David utilize the TORT7 multi-function asymmetrical cycler to stage defrost heaters and compress cooling cycles. Staggered time-delay startup functions prevent massive peak-inrush surges from tripping branch circuit breakers when utility power restores.

Solar Hybrid & Generator Transfer Synchronization

With high localized adoption of decentralized solar and backup generators, our time-control modules work in concert with 2P/4P Automatic Transfer Switches (ATS). Timed contact triggers ensure stable voltage regulation on backup generator runs before critical distribution boards take on inductive workshop machinery loads.

Technical Insights

David Electrical Market Evolution: Smart Switching & Energy Auditing

The electrical trade in David is undergoing a rapid transition from basic mechanical pin-type timers to high-reliability digital and Bluetooth-enabled DIN modules. Buyers who formerly purchased generic electromechanical units now require microcontrollers with non-volatile memory and internal lithium battery backup to withstand municipal grid fluctuations without losing timekeeping accuracy.

Engineering Notice: When inductive loads like compressor motors or discharge lighting are switched, the nominal AC-1 resistive rating must be derated by 60% or isolated through a dedicated modular AC contactor to prevent contact welding.

Additionally, the integration of Bluetooth 5.0 parameter configuration via mobile apps (EasyCon) is supplanting manual membrane keypad setup in local workshops, reducing commissioning time across 50+ distribution panels to mere minutes.

Specification Matrix for Field Engineers

Contact Configuration: 1NO/1NC Form C or High-Current 1NO
Operating Voltage: 85–265V AC Wide Band (50/60Hz)
Internal Clock Battery: CR2032 / Rechargeable Lithium (3+ Yrs)
Switching Cycles: Mechanical: 10⁷ / Electrical: 10⁵
Terminal Capacity: Up to 16mm² Rigid Copper Wire
Standards Compliance: IEC/EN 60730-1, IEC/EN 60730-2-7
Why Partner With Us

Direct Factory Manufacturing with Comprehensive Certification

Eliminate middleman markups and secure supply chain certainty with Zhejiang TMB Electric Co., Ltd.

Liushi Supply Ecosystem

Located in Huabei Village, Liushi Town, Wenzhou. Raw silver contacts, flame-retardant housings, and copper busbars are manufactured within kilometers, ensuring unmatched turnaround and cost stability.

TÜV Rheinland Assessed

Our 5,700 m² manufacturing plant and 92 full-time staff have undergone rigorous on-site factory verification by TÜV Rheinland, validating actual machinery, testing bays, and production flow.

Low Trial MOQ & OEM

We respect project rollouts: catalog timer modules start at just 1 to 5 pieces for sample validation, with complete OEM private labeling, custom programming steps, and bespoke enclosures available.

Comprehensive Support

From single-line panel review to wiring schematics and CE declarations, our engineering department provides deep documentation for electrical contractors, wholesalers, and panel builders.

Procurement Guidance

Frequently Asked Questions: David Market Sourcing

Direct answers to technical, commercial, and shipping questions posed by regional electrical distributors.

What voltage ranges and frequencies do your programmable timers accommodate in David?
All our digital and Bluetooth models feature wide-voltage power supplies (standard 85–265V AC, 50/60Hz dual-frequency compatibility), making them fully resilient against the 110V/120V single-phase and 220V/240V split-phase grids commonly utilized across western Panama. DC-specific variants (12V, 24V, and 48V DC) are also manufactured for off-grid battery arrays and solar power systems.
Can I switch an inductive AC motor directly through the 16A timer terminal?
No. The 16A specification on standard digital timer switches denotes the resistive rating (AC-1). Inductive loads (AC-3) such as water pumps, fans, and compressors generate severe electrical arcing upon circuit break and high inrush during contact closure. For motors exceeding 1/2 HP (approx. 400W), the timer contact must drive the coil of an external modular AC contactor (such as a 25A or 40A contactor). Alternatively, select our 40A or 63A heavy-duty TOS7-B timer models.
How does the internal battery backup preserve programs during power grid outages?
Our digital timers incorporate high-capacity rechargeable lithium or replaceable coin cells (CR2032) paired with non-volatile memory (EEPROM). When utility power is lost, the clock and program schedules remain intact for up to 3 years without external power. When main line voltage returns, the timer resumes its output sequence precisely on schedule without requiring manual reprograming.
What are the lead times and shipping procedures for wholesale shipments to David?
Standard catalog products maintain ready buffer stock with order dispatch within 3–7 business days from our Wenzhou facility. Cargo is routinely dispatched via ocean freight through the ports of Ningbo/Shanghai to the Colon Free Zone or Balboa/Manzanillo ports for transit to David, Chiriquí. Air courier shipments (DHL, FedEx, UPS) are supported for emergency project deliveries with typical 5–8 day transit.
Do you supply complete pre-assembled sub-panels featuring timers and surge protection?
Yes. Through our custom OEM/ODM department, we produce fully integrated, pre-wired IP65 distribution enclosures. These incorporate our programmable timers along with dual-power automatic transfer switches (ATS), AC surge protective devices (SPD), and over/under voltage protection relays in 5, 8, 12, or 18-way modular weatherproof enclosures.

Upgrade Your Power Control Systems Today

Contact our engineering sales team for wholesale pricing, factory-direct MOQ schedules, and full technical datasheets.

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