Timing & Control
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail
AC 85–265V 40A smart timer switch featuring dynamic loop countdowns and wall-mount support for automated commercial loads.
24+
Years Engineering Expertise
5,700m²
TÜV Assessed Facility
1,000V
DC Rated Voltage Threshold
100%
Dielectric & Trip Calibrated
Precision Equipment Catalog
High-Performance Switching, Control & Protection Components
Engineered for high interrupting capacities, extreme duty cycles, and mission-critical solar and power distribution arrays across Santa Ana and Southern California.
7-Day Scheduling
TOMZN 1NO 1NC DIN Rail Weekly Programmable Digital Switch
16A micro-relay timer compatible with 12V, 24V, 48V, 220V, and 230V configurations for industrial cycling programs.
Digital Relay
TOMZN New Type Single Phase Weekly Digital Time Switch
Reinforced terminal design with high-contrast LCD for 7-day automated sequences and heavy HVAC cycles in industrial shops.
Wireless Timing
TOMZN Bluetooth Smart Timer Switch 85–265VAC 10A/30A
EasyCon wireless connectivity handling up to 28 discrete group schedules, loop timers, and precision cutoff sequences.
Multi-Function Relay
TORT7 Series 10-in-1 Asymmetric Cycler Multi-Function Relay
Delay-ON, Delay-OFF pulse generation spanning 0.1s to 10 days; vital for motor protection, step-starters, and batch pumps.
Heavy-Duty Smart
TOMZN TOS7-B Bluetooth Smart DIN Rail Switch 40A/63A
High continuous current carrying capability for industrial subpanels with remote EasyCon app management and dynamic protection.
High Current MCCB
TOM7Z 2P 1000V DC Solar & Battery MCCB
Engineered for high-capacity battery banks, PV combiners, and DC isolation. Robust arc chute mechanism prevents persistent DC fault ionization.
ATS / Backup Power
TOQ3 Dual Power Automatic Transfer Switch 63A–125A
Fast mechanical transfer between grid supply, secondary generator, or solar inverter storage to maintain uninterrupted uptime.
Localized Orange County Applications
Field-Proven Reliability Across Santa Ana's Industrial Ecosystem
As a dense economic hub in Southern California, Santa Ana hosts an expanding infrastructure of aerospace machine shops, medical device fabrication facilities, cold storage warehousing, and rapid commercial EV transitions. These operating environments place aggressive demands on electrical protection gear.
Voltage sags, utility brownouts, and rapid industrial motor starts across the Southern California Edison (SCE) grid require MCCB and MCB devices capable of handling sustained thermal stress without nuisance tripping. Our Molded Case Circuit Breakers and DC protection series provide the exact thermal-magnetic calibration needed for local facilities.
- Commercial Microgrids & C&I Solar: High DC voltage protection up to 1000V DC for rooftop PV systems across Santa Ana's industrial corridors and logistics hubs.
- Automated Precision Manufacturing: Reliable overload and short-circuit protection for CNC machine lines, laser cutters, and sterile medical packaging equipment.
- Dual-Source Generator Backup: Seamless switching with dual-power ATS to prevent production line shutdowns during grid instability or regional heatwave alerts.
- Electric Fleet Charging Depots: Heavy-duty MCCB feeder lines protecting multi-stall DC fast chargers against harmonic distortion and transient overcurrents.
Engineering Whitepaper
MCCB & DC Circuit Protection Technical Matrix
Comprehensive engineering criteria for project specifiers, electrical panel builders, and procurement managers in Santa Ana.
| Series & Category | Poles & Configuration | Rated Voltage (Ue) | Rated Current (In) | Breaking Capacity (Icu) | Primary Industrial Use Case |
|---|---|---|---|---|---|
| TOM7Z DC MCCB | 2-Pole / Polarized | 500V / 1000V DC | 63A – 250A | 25kA – 35kA | Utility Solar Strings, Heavy Battery Storage Systems (BESS) |
| High-Current DC MCB | 2-Pole / 4-Pole | 600V / 1000V DC | 80A, 100A, 125A | 10kA | Inverter Input Disconnects, EV Fast Charger Main Feeds |
| TOB1-63H AC MCB | 1P, 2P, 3P, 4P | 230V / 400V AC | 3A – 63A (C/D Curve) | 6kA – 10kA | Commercial Distribution Boards, Automated Machinery Circuits |
| TOQ3 Modular ATS | 2P (Single) / 4P (Three-Phase) | 110V – 240V AC | 63A, 100A, 125A | < 50ms Transfer Time | Critical Cold Storage, Medical Manufacturing Emergency Power |
| TORT7 Timing Relay | 1NO + 1NC / Cycler | 12V – 240V AC/DC | 16A Resistive | 100,000 Electrical Ops | Conveyor Sequencing, HVAC Compressors, Industrial Agitators |
Market Drivers & Electrification
Electrical Infrastructure Trends Transforming Santa Ana
Strategic modernization trends dictating electrical component procurement across Orange County.
Title 24 & C&I Solar Decarbonization
California's Building Energy Efficiency Standards (Title 24) continue pushing commercial facilities toward net-zero profiles. Santa Ana's legacy warehouse roofs are systematically retrofitted with bifacial solar panels and 1000V DC busbars. These systems demand true DC-rated MCCBs that provide definite arc interruption and zero-drift calibration under high thermal ambient conditions.
Grid Resilience & Dual-Power Redundancy
With regional heat domes creating peak-load alerts, Santa Ana fabrication facilities cannot risk unplanned down time. There is a surging transition toward hybrid microgrids combining battery energy storage systems (BESS) and automatic transfer switches (ATS) to seamlessly switch between utility feeds and secondary generation within milliseconds.
Industrial Automation & Smart Submetering
Machine shops along the Grand Avenue and Warner Avenue corridors are increasingly digitizing factory floors. Installing DIN-rail programmable timers, smart WiFi breakers, and contactors directly downstream from main MCCBs allows Santa Ana plant engineers to manage peak-demand shaving and monitor kWh consumption across multi-tenant buildings.
Manufacturing Authority
Why Electrical Contractors & Distributors Partner With TMB Electric
Decades of manufacturing excellence delivered directly from the heart of the world's premier low-voltage electrical cluster.
Liushi Supply Chain Cluster
Located in Liushi, Wenzhou—China's electrical epicenter. Silver alloy contacts, precision arc chutes, and flame-retardant housings are sourced and assembled locally for unmatched lead times and competitive BOM costs.
TÜV Rheinland Assessed
Our 5,700 m² production base undergoes rigorous on-site verification by TÜV Rheinland. Certified quality management systems ensure every batch meets international safety guidelines.
CE Marking & Rigorous QC
Every breaker undergoes 100% calibration across incoming checks, torque verification, trip points, dielectric insulation testing, and operational run-in before dispatch.
OEM/ODM & Flexible MOQ
We accommodate wholesale partners and panel assemblers with small trial MOQs (from 5 pcs) up to full-scale container dispatches, private labeling, custom laser markings, and custom pre-wired combiner boxes.
Procurement Clarity
Frequently Asked Questions for Santa Ana Buyers
Essential guidance on certifications, customs logistics, DC ratings, and project configurations.
Can an AC Molded Case Circuit Breaker be deployed on a DC solar array in Santa Ana?
No. Alternating current naturally passes through zero 100 or 120 times per second, which aids in quenching electric arcs. Direct current possesses no natural zero-crossing point. Utilizing an AC breaker on high-voltage DC circuits (such as 600V or 1000V strings) will likely result in a sustained arc, melted contacts, and extreme fire hazard. Always specify dedicated DC MCCBs (such as the TOM7Z series) that incorporate specialized permanent blowout magnets and extended splitter arc chutes.
How do California ambient summer temperatures affect MCCB sizing?
Standard molded case circuit breakers are calibrated at an ambient temperature of 40°C (104°F). In outdoor rooftop installations or non-conditioned electrical rooms across Orange County during summer heat waves, internal panel temperatures can exceed 50°C (122°F). Thermal-magnetic trip units will experience early thermal expansion under continuous loads. We recommend applying thermal derating calculation factors (typically derating nominal capacity by 8% to 15%) or utilizing electronic trip units with digital temperature compensation.
What is the standard lead time for ocean or air freight into Southern California?
Standard production runs for catalog orders range from 7 to 15 business days. For shipments destined for Santa Ana, container cargo transits from Ningbo/Shanghai ports directly to the Port of Los Angeles (LAX) or Long Beach (POLB), typically requiring 14 to 18 ocean transit days. Air express shipments (for urgent sample runs or pilot replacements) clear customs into LAX or John Wayne Airport (SNA) within 4 to 6 business days.
Do your breakers support dual voltage (120V / 240V / 480V) configurations?
Yes. Our AC circuit breakers and automatic transfer switches are engineered with wide dielectric operating bands. Standard models operate seamlessly across 110V/120V single-phase systems up to 230V/240V and 400V/480V 3-phase industrial configurations at both 50Hz and 60Hz. Detailed technical cut sheets are provided for each specific project submission.
Can we procure custom-labeled or pre-wired combiner assemblies?
Yes. As a direct manufacturer, Zhejiang TMB Electric specializes in OEM/ODM partnerships. We provide custom terminal sizing, private branding laser-engraved onto breaker casings, and turnkey pre-wired IP65 distribution combiner boxes fitted with designated breakers, DC SPDs, and fuses matched precisely to your single-line schematics.
Factory Direct Supply
Upgrade Your Santa Ana Distribution & Microgrid Projects
Connect directly with our manufacturing engineering team. Whether you need volume wholesale pricing, custom breaker trip curves, or full subpanel BOM matching, we provide rapid quotations and comprehensive compliance documentation.