Best Seller
TOMZN DIN Rail ATS 220V/230V Dual Power Automatic Transfer Switch 63A-125A
2P / Single Phase
50/60Hz Self-Cast
Class PC ATS
24+
Years Manufacturing Experience
5,700m²
TÜV Verified Workshop Area
< 8ms
Transfer Switching Latency
100+
Global Export Destinations
Verified Lineup
Engineered Dual Power Transfer Switches & Timed Relays
Continuous power architecture demands zero tolerance for voltage drops or phase misalignment. Review our top DIN-rail backup transfer switches, asymmetric cyclers, and smart timers.
CE Certified
TOQ3 4P Dual Power Transfer Switch 63A–125A Three-Phase Switched Neutral
4P Fully Isolated
Interlocking Mech
400V Rated
Hybrid Solar
Single-Phase DIN-Rail Fast ATS for Solar Inverter & Utility Grid Backup
Grid/Inverter Sync
<10ms Switching
63A 220V
Enclosed Combo
HT-9WAY Pre-Wired ATS Distribution Box with Integrated 7-Day Digital Timer
IP65 Waterproof
Integrated Din Rail
2P 63A ATS
Smart Control
TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A 85-265V EasyCon App DIN Rail
28 Timing Groups
EasyCon BLE App
85–265V Universal
Industrial Relay
TORT7 Series 10in1 Delay-ON Delay-OFF Asymmetric Cycler Multi-function Timer
0.1s–10d Delay
Pulse Generator
Multi-Voltage Coils
Programmable
TOMZN 1NO 1NC DIN Rail Single Phase Weekly 7 Days Programmable Time Switch 16A
12V/24V/110V/220V
16 ON/OFF Settings
Power Reserve Batt
Heavy-Duty
TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail Wall-Mounted 40A AC85-265V
40A Direct Load
Dual DIN/Wall Mount
Cyclic Countdown
Technical White Paper
Dual-Power Transfer Mechanics: Breaking Arc Physics & Phase Integrity
In secondary electrical sub-stations, agribusiness workshops, and commercial microgrids across the Department of Masaya, dual-source power continuity is complicated by voltage flutter and line disturbance. An Automatic Transfer Switch (ATS) must not merely bridge two supplies; it must guarantee total physical galvanization between non-synchronized generation units and the national grid (ENATREL).
Our class PC and class CB dual-power switches incorporate dual mechanical interlocks combined with electronic logic threshold controllers. When the primary line collapses or experiences brownout deviations beyond pre-set thresholds (adjustable between 160V and 260V), the internal actuator breaks the active contact, traverses through a dead-band neutral position to safely extinguish residual ionizing arcs, and establishes continuity with the auxiliary genset or solar energy storage inverter within milliseconds.
Zero-Crossing Switching
Minimizes contact vaporization by transitioning at micro-arc levels, preserving silver-alloy contact pads.
Mechanical Dead-Band Interlock
Positive interlocking prevents simultaneous dual closure, averting catastrophic short circuits between mains and inverters.
Regional Deployment
Optimized for the Industrial & Rural Realities of Masaya
From the bustling craft workshops of Monimbó to rural agro-processing estates near Niquinohomo, local grid instability requires robust electrical architectures.
Light Agro-Industry & Leather Processing
Masaya is widely recognized as Nicaragua’s artisan heartland, hosting hundreds of footwear, textile, and wood-milling workshops. Grid surges during seasonal tropical downpours routinely trip motors and ruin work-in-progress.
- Automatic transition to diesel standby generators
- Adjustable return delays prevent motor restart chattering
- Over-under voltage monitoring guards single-phase equipment
Hybrid Solar Microgrids in Rural Pueblos Blancos
Decentralized residential solar-plus-storage projects around Catarina and San Juan de Oriente encounter frequent grid micro-cuts. Seamless transfer keeps inverters protected and households uninterrupted.
- Fast transfer switch compatible with off-grid inverters
- Prevents reverse feeding into distribution lines
- Compact DIN modularity fits standard distribution boxes
Municipal Cold Chain, Clinics & Telecommunications
Essential medical refrigeration, localized pharmacy cold chains, and distributed cellular repeaters near Masaya Lagoon cannot withstand power dropouts without risking costly inventories.
- Integrated neutral-pole breaking ensures absolute isolation
- Real-time auxiliary contact signaling for BMS telemetry
- Tested to withstand 8kV dielectric surge withstand limits
Selection Guide
Engineered Specifications for Import & Tendering
Ensure full compliance with Central American regional wiring codes and IEC/EN standards before procurement.
| Product Series | Pole Options | Rated Current (In) | Operating Voltage (Ue) | Transfer Speed | Standard Compliance | Action |
|---|---|---|---|---|---|---|
| TOQ3 Modular ATS | 2P, 3P, 4P | 63A, 100A, 125A | AC 110V/220V / 400V | < 50 ms | IEC 60947-6-1 / CE | Quote |
| Fast-Response PV ATS | 2P (Single-Phase) | 32A, 63A | AC 220V / 230V | < 10 ms (PC Class) | IEC 60947-6-1 | Quote |
| HT-9WAY Integrated Box | 2P ATS + Timer Box | 63A Rated | AC 220V 50/60Hz | Automatic Interlocked | IP65 / CE / RoHS | Quote |
| TOS7-B Smart Timer Relays | 1P+N / Direct DIN | 40A, 63A | AC 85V–265V Wide | Program Cycle | EN 60730 / CE | Quote |
| TORT7 Cycler Relay | SPDT / DPDT Coils | 16A Resistive | AC/DC 12–240V Multi | 0.1 sec – 10 days | IEC 61812-1 | Quote |
Verified Manufacturer
Manufactured in Liushi, Engineered for Unyielding Reliability
Operating directly out of Huabei Village, Liushi Town, Wenzhou—China's global capital for low-voltage electrical apparatus—Zhejiang TMB Electric Co., Ltd. offers direct-from-factory pricing and rigorous quality controls. With 24 years in low-voltage electrical component engineering, we remove middlemen margins for importers and project contractors in Masaya, Managua, and across Central America.
TÜV Rheinland Assessed
On-site audited 5,700 m² workshop, verification of our 92 specialists and precision assembly lines.
Direct OEM / ODM Customization
Private label silk-screening, custom trip curves, Latin American voltage coil windings (110V/120V/220V).
Accessible MOQ Starting at 5 Pcs
Test prototypes and evaluate contact materials before committing to full 20ft container loads.
High-Volume Export Pipeline
Proven track record with over US$ 3.3M verified annual export volume and multi-market certifications.
Verified Production Credentials
- Operating Entity: Zhejiang TMB Electric Co., Ltd.
- Manufacturing Base: Huabei, Liushi, Wenzhou, China
- Factory Floorspace: 5,700 m² (Assessed)
- Full-Time Staff: 92 Certified Engineers & Operators
- Primary Capabilities: Circuit Breakers, ATS, Solar PV Combiners
- Annual Export Volume: US$ 3,304,733+
- Standard Compliance: CE Marked, IEC 60947, ISO9001 QMS
Procurement FAQ
Frequently Asked Questions by Importers & Contractors in Masaya
Comprehensive engineering clarity to support electrical distribution planning and seamless customs clearance.
What are the lead times and shipping routes for sea freight to Nicaragua?
Production lead times for standard catalog models typically run between 7 and 15 business days depending on volume. Most marine shipments destined for the Department of Masaya ship from Ningbo or Shanghai port via direct transpacific ocean vessels to Puerto Corinto, Nicaragua (approx. 28–35 days transit) or routed through Puerto Caldera (Costa Rica) / Puerto Cortés (Honduras) with bonded overland transit. Courier samples (via DHL/FedEx) arrive in Managua/Masaya within 4 to 6 business days.
Can your automatic transfer switches handle Nicaragua’s split-phase 120V/240V utility system?
Yes. While European systems operate on pure 230V single-phase and 400V three-phase, our dual-power ATS units are specifically engineered with wide-voltage sensing logic coils (available in dedicated 110V/120V configurations as well as universal 85V–265V coils). This ensures smooth operation on local American-style 120V/240V 60Hz split-phase services common across the Pacific coast of Nicaragua without nuisance coil overheating or dropout chattering.
Why is a 4P ATS required over a 3P switch for commercial backup generators?
In installations where the backup generator features a separately derived neutral and an independent ground electrode, utilizing a 3P switch leaves the utility neutral connected. This creates multiple grounding loops, trips ground fault circuit interrupters (GFCI/RCD), and causes harmonic feedback into sensitive machinery. A 4-pole (4P) ATS ensures that both the three phase legs and the neutral are cleanly switched in unison, safeguarding sensitive PLCs and measurement meters.
What documentation do you provide for Nicaraguan customs and municipal compliance?
Every export consignment is provided with a full commercial documentation set: Certificate of Origin (CO), detailed Commercial Invoice, Packing List, Bill of Lading, CE Declarations of Conformity, and certified factory test reports from our TÜV Rheinland-assessed testing laboratory. We also provide full technical datasheets and single-line schematics to satisfy project permitting requirements.
Do you offer OEM private labeling for regional electrical distributors in Masaya?
Yes. We actively support regional distributors, wholesalers, and panel-builder brands throughout Latin America with comprehensive OEM and ODM support. This includes laser-etched front casing logos, customized batch barcodes, bespoke packaging boxes with Spanish instruction manuals, and customized current-trip thresholds optimized for local operating conditions.
Strengthen Your Grid Architecture with Precision Transfer Systems
Whether you are outfitting industrial mills, upgrading municipal medical reserves, or distributing DIN-rail switchgear throughout western Nicaragua, Zhejiang TMB Electric delivers uncompromised performance at direct manufacturer pricing.
Inquire Now