TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Loop Timing AC85-265V 40A
40A Switching
AC85-265V
Bluetooth BLE
Catalog Showcase
Featured Switching & Modular Timing Relays
Engineered to eliminate arcing, contact erosion, and high acoustic noise across harsh environments. Complete your industrial automation panel with our high-end DIN-rail solid state and intelligent digital control units.
TOMZN 1NO 1NC DIN Rail 7-Day Weekly Programmable Digital Switch Relay Timer 16A
1NO + 1NC
Multi-Voltage
LCD Micro-Timer
TORT7 Series Delay-ON Delay-OFF 10-in-1 Asymmetric Cycler Time Relay Switch
0.1s - 10 Days
10 Functions
Pulse Generator
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A EasyCon DIN Rail Automation
Up to 63A
28 Timing Groups
App Control
TOMZN New Architecture 1NO+1NC 7-Day Precision Microprocessor Time Relay 16A
Micro-Switching
220V/230V
Backup Battery
TOMZN Bluetooth Smart Timer Switch 85-265VAC 10A 30A Wall-Mount Countdown
10A / 30A Dual
Loop Timing
Non-Contact Logic
63A 3P+N Smart Electronic Over/Under Voltage Phase Monitoring Protective Relay
3-Phase 4-Wire
<0.1s Response
Auto Re-trip
Dual Power DIN-Rail High-Endurance ATS Relay 2P/4P 63A-125A Seamless Source Switch
Micro-break Switching
Up to 125A
Solar/Grid Sync
Technical Engineering Monograph
Solid State Relay (SSR) Physics & West Bank Grid Resiliency
Addressing high harmonic distortion, frequent sub-station switching spikes, and thermal extremes in Palestine’s industrial automation corridors.
In automated industrial hubs across Ramallah, Al-Bireh, and the Beitunia Industrial Zone, modern production facilities encounter relentless power quality disruptions. Traditional electromechanical relays (EMRs) rely on mechanical armatures and silver contacts. When operating under fluctuating line voltages (common along the Jerusalem District Electricity Company - JDECO feeder networks), mechanical relays suffer destructive electrical arcs, contact pitting, bounce chatter, and premature magnetic coil fatigue. A standard EMR typically fails after 100,000 to 250,000 switching operations under real-world inductive loads.
Solid State Relays (SSRs) re-engineer current conduction completely. Operating via optical coupling and high-power semiconductor output stages—utilizing back-to-back Silicon Controlled Rectifiers (SCRs) or Triacs—solid-state devices eliminate moving parts. Switching speeds drop from milliseconds to micro-seconds, ensuring zero acoustic resonance, zero mechanical wear, and an operational lifespan exceeding 50 million cycles. When coupled with precise Zero-Crossing Trigger circuitry, SSRs virtually eradicate high-frequency inrush electromagnetic interference (EMI), protecting sensitive PLCs, industrial sensors, and telemetry gateways from electrical noise.
Zero-Cross Switching Dynamics
Zero-cross SSR configurations monitor AC sinusoidal waveforms and only energize when voltage passes through zero volts. This minimizes transient dV/dt shock, limits destructive surge spikes, and protects municipal infrastructure from circuit-induced harmonic harmonics.
4000Vrms Dielectric Isolation
Equipped with internal optocouplers, input drive circuitry (DC 3-32V or AC 85-265V) is galvanically separated from load sides up to 4000Vrms. High-energy grid voltage sags or lightning transients cannot bleed into digital control lines or microcontrollers.
Direct-Bonded Copper (DBC) Thermal Control
Summer ambient temperatures in Ramallah reach 38°C+, which quickly degrades low-grade semiconductor junctions. Our SSR modules feature pure aluminum heatsink baseplates and DBC substrate packaging to keep junction temperatures well below the 125°C critical limit.
Localized Case Scenarios
Targeted Applications Across Ramallah Industries
Optimized for high cycling rates, volatile power lines, and seamless integration with hybrid solar PV installations across Palestine.
Solar PV Hybrid Switching & Storage Transfer
Rooftop solar installations are expanding rapidly across Ramallah's commercial rooftops to offset steep grid power rates. SSRs and high-speed ATS components handle fast battery-inverter switching, dumping excess load cycles, and preventing back-feed during sudden grid blackouts without creating high-voltage inductive spikes.
Zero Inrush Spike
Solar Storage
Continuous DC Switching
Pharmaceutical & Food Processing Lines
Ramallah is home to prominent Palestinian pharmaceutical factories and high-throughput food packaging operations in Beitunia. These lines run PID temperature-controlled heat sealers and autoclaves requiring switching intervals of 1 to 2 seconds. SSRs operate cleanly 24/7 without acoustic clicking or contact breakdown.
PID Compatible
Zero Acoustic Noise
High Duty Cycle
Smart HVAC & Municipal Pump Cycling
Elevated terrain and sub-Mediterranean winter climates in the central highlands demand precise heating and water pumping infrastructure. Utilizing programmable timer switches combined with heavy-duty solid-state relays prevents current surges on multi-stage commercial compressors, lowering peak demand penalties.
Water Pumping
Inductive Safe
Compressor Protection
Selection Matrix
Solid State Relay (SSR) vs. Traditional Electromechanical Relay (EMR)
A detailed technical parameter breakdown for procurement managers and electrical panel builders in Ramallah.
| Performance Specification | Zhejiang TMB Solid State Relays (SSR) | Standard Electromechanical Relays (EMR) | Practical Advantage for West Bank Panels |
|---|---|---|---|
| Operational Lifespan | >50,000,000 cycles (No mechanical parts) | 100,000 – 300,000 cycles (Mechanical fatigue) | Zero Maintenance Saves service visits to remote sites |
| Switching Response Time | <10 microseconds (Triac / SCR gate activation) | 15 – 35 milliseconds (Physical armature pull) | Enables precise high-frequency PID thermal control |
| Contact Arcing & Bounce | Completely eliminated (Solid-state junction) | Severe electrical arcs on break; contact bounce | Safe for flour mills, chemical plants & dust zones |
| Grid Voltage Fluctuations | Ultra-wide control band (AC 85-265V / DC 3-32V) | Tight tolerance (±10%); coil drops out on brownouts | Withstands typical West Bank grid brownouts |
| Electromagnetic Interference | Zero-Crossing firing minimises RF noise & EMI | Heavy spark discharge creates RF noise on sensors | Prevents PLC crashes and signal errors |
| Vibration & Shock Resilience | Solid epoxy encapsulated; IP20 touch-safe cover | Susceptible to false triggering from machinery shock | Ideal for stone cutting, quarry & heavy factory gear |
Market Evolution
Future Trends: West Bank Industrial Electrification
Key structural shifts steering procurement decisions in Ramallah and adjacent governorates over the next five years.
Decentralized Microgrid & PV Expansion
Due to supply quotas and capacity bottlenecks from regional feeders, industrial zones across Ramallah and Beitunia are accelerating self-consumption rooftop solar PV arrays paired with battery energy storage systems (BESS). This transition requires solid-state transfer units and DC switching blocks capable of high-cycling endurance without arching deterioration.
IoT Integration & Wireless Switching Protocols
Modern facility managers increasingly demand DIN-rail programmable relays embedded with Bluetooth BLE, Wi-Fi, and RS-485 Modbus telemetry. Remote scheduling, condition-based motor cycling, and power-factor monitoring can now be achieved via smartphones without requiring costly, specialized PLC hardware architectures.
Strict Energy Efficiency & Harmonic Standards
Rising electricity tariffs across JDECO distribution networks have forced commercial enterprises to curb peak demand charges. Zero-crossing SSR switches and smart programmable load-shedding timers allow precise staggering of heavy inductive machinery, smoothing current spikes across multiple production shifts.
Manufacturing Excellence
Why Direct Sourcing from Zhejiang TMB Electric Counts
Rooted in Liushi, Wenzhou—the undisputed capital of low-voltage electrical engineering in China.
Complete Industrial Cluster
Located in Liushi, our copper terminal stamping, flame-retardant casing molding, and semiconductor testing take place within a 5km radius, guaranteeing exceptional lead times.
TÜV Rheinland Verified
Our 5,700 m² workshop, 92 skilled technicians, and rigorous Quality Management System (QMS) are independently assessed and documented by TÜV Rheinland.
International CE Markings
Our solid state, modular timer, and distribution line items carry authentic CE certifications, full dielectric testing, and complete thermal impedance reports on demand.
OEM / Low MOQ Flexibility
We empower local distributors, engineering contractors, and panel shops with trial orders starting as low as 1 to 5 pieces, alongside custom laser printing and OEM packaging.
Procurement Support
Frequently Asked Questions by Ramallah Buyers
Key logistical, technical, and regulatory answers for importing electrical switchgear into the West Bank.
What are the exact logistics routes and documentation requirements for shipping to Ramallah?
Shipments to Ramallah commonly route either via sea freight into Ashdod Port or through air cargo via Amman / Queen Alia Airport, followed by ground transit through commercial crossing terminals into the West Bank. Zhejiang TMB Electric provides full customs clearing documentation: Commercial Invoice, Packing List, Certificate of Origin (COO), and CE conformity test certificates required for technical customs release.
How do our Solid State Relays handle voltage swings typical of the JDECO electrical network?
Our AC-load solid state switching devices and timer units feature wide input trigger designs (AC 85V-265V or DC 3-32V). Unlike conventional electromagnetic relay coils that chatter or drop out when the grid drops below 190V, our internal optocouplers and constant-current drive circuits maintain reliable activation down to 85VAC.
When should I specify a Zero-Crossing SSR versus a Random Turn-On (Phase Control) SSR?
Use Zero-Crossing SSRs for resistive loads (heating elements, drying ovens, lighting arrays) and moderate inductive loads to suppress electrical inrush spikes and minimize high-frequency noise. Use Random Turn-On SSRs when phase-angle firing is required—such as AC motor soft-starting, phase-controlled dimming, or precise power regulation via 4-20mA process controllers.
Why is external thermal management and heatsinking critical for SSRs in Ramallah summer conditions?
SSRs generate internal heat due to their forward semiconductor voltage drop (~1.2V to 1.6V per ampere conducted). In an enclosed distribution panel under Ramallah’s summer climate (reaching 35-40°C), an uncooled SSR drawing 25A will generate roughly 30-40W of heat. Operating without an aluminum heatsink or thermal compound risks junction thermal runaway. We supply pre-matched DIN-rail extruded heatsinks calibrated to load current profiles.
Can Zhejiang TMB Electric customize relays with private brand labeling (OEM) for local distributors?
Yes. We support wholesale distributors and major panel manufacturers across Palestine with OEM/ODM services. We offer custom laser-etched logos, branded packaging boxes, customized language user manuals, and pre-configured voltage/current combinations with minimum initial order quantities.
What overvoltage protection is necessary on the SSR load output terminals?
Because semiconductors are sensitive to high dV/dt transient spikes caused by nearby inductive switching, we strongly recommend placing a Metal Oxide Varistor (MOV) across the SSR output terminals (terminals 1 and 2). For 220V-240V AC lines, a 470V to 560V MOV will absorb spikes without degrading the SSR thyristor gate.