High-Reliability Dual Power Automatic Transfer Switch (ATS) Systems

Zhejiang TMB Electric Co., Ltd. provides industry-leading electrical transfer switching solutions designed for seamless changeover between primary grid utility, diesel/petrol generator units, and solar photovoltaic storage inverters. Built in accordance with IEC/EN 60947-6-1 standards, our switches deliver millisecond-level transition, rugged silver alloy contacts, and integrated mechanical interlocks to guarantee zero cross-connection between independent power sources.

Current Range 63A · 100A · 125A
Pole Configurations 2P (Single) · 3P · 4P (Switched N)
Rated Operating Voltage AC 110V · 220V/230V · 380V/400V
Mounting Format Standard 35mm DIN-Rail
WiFi Smart DIN Rail eWeLink WiFi Smart ATS Timer 230V Dual Power Automatic Transfer Switch 2P 125A

DIN Rail WiFi Smart ATS Timer 230V Dual Power Automatic Selector Switch 2P 125A

App Control 2P 125A Uninterrupted eWeLink / Tuya
$23.06 / pc MOQ: 5 pcs
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WiFi 3-Phase DIN Rail WiFi Smart ATS Timer 230V 400V Dual Power Automatic Transfer Switch 3P 63A 100A 125A

DIN Rail WiFi Smart ATS Timer 230V/400V Dual Power Automatic Switch 3P 63A-125A

3-Phase 3P Smart Scheduling Auto/Manual 63A-125A
$24.05 / pc MOQ: 5 pcs
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433MHz Wireless 4P Wireless ATS Dual Power Transfer Switch 433MHz Remote Control Electrical Selector

4P Wireless Dual Power ATS with 433MHz Remote Control Electrical Changeover

4P 400V 433MHz Remote Neutral Switched Industrial Backup
$29.72 / pc MOQ: 5 pcs
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RF Remote 2P 3P 4P Remote Control Dual Power Automatic Transfer Switch 433MHz Wireless

2P/3P/4P Wireless 433MHz Remote Dual Power Automatic Transfer Switch

2P / 3P / 4P 63A - 125A Long-Range RF Fast Switching
$26.88 - $29.72 MOQ: 5 pcs
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V/A Metering Four Relay-type ATS Dual Power Switch Voltage Current Protector Phase Selector Digital Display

TOVPD3-63ATS Multi-Relay ATS with Over/Under Voltage Protector & Current Display

63A Relay Type Volt & Amp LED Over/Under Protection Phase Selection
$20.24 - $22.49 MOQ: 5 pcs
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Automatic Phase Relay-Type Automatic Phase Selector ATS Dual Power Switch OCP OVP UVP Cut Off L N 2P 230V 63A

Automatic Phase Selector ATS Dual Power Switch with OVP/UVP/OCP Cut-Off 2P 63A

2P 230V 63A Rated L+N Disconnect Self-Restoring
$22.49 / pc MOQ: 5 pcs
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MCB Heavy Duty MCB Type Heavy Duty Dual Power Automatic Transfer Switch 2P 125A for PV and Generator

TOQ1M Series MCB-Type Dual Power ATS 2P 125A 230V for Solar PV & Genset Backup

Integrated MCB 125A High Load Short Circuit Proof Motorized Drive
$62.94 - $79.81 MOQ: 5 pcs
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Best Seller TOQ3 Built-in Circuit Breaker Dual Power ATS with Overload Short Circuit Protection 2P 4P

TOQ3 Dual Power ATS with Built-in Circuit Breaker & Indicator Light 2P/4P 63A-125A

Overload Protected Night Pilot LED 2 In 1 Out Compact DIN Rail
$15.51 - $21.79 MOQ: 5 pcs
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CE Certified 3P 3-Phase DIN Rail Dual Power Automatic Transfer Switch 63A 100A 125A Uninterrupted

3-Phase 3P DIN Rail Dual Power Automatic Transfer Switch 63A/100A/125A

3P 380V/400V Uninterrupted CE Certified Silver Contacts
$14.58 - $15.08 MOQ: 5 pcs
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CE Certified 4P 3-Phase DIN Rail Dual Power Automatic Transfer Switch 63A 100A 125A Switched Neutral

4-Pole 3-Phase DIN Rail Dual Power Automatic Transfer Switch 4P 63A-125A

4P 400V Full Neutral Break Grid + Generator Flame-Retardant
$15.50 - $16.00 MOQ: 5 pcs
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CE Certified DIN Rail ATS 220V 110V Dual Power Automatic Transfer Electrical Selector Switch 2P

DIN Rail Dual Power ATS L+N 110V/220V Fast Transfer Selector Switch 2P 63A-125A

110V / 220V Optional 2P (L+N) Household Board Continuous Power
$13.90 - $14.36 MOQ: 5 pcs
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CE Certified Single Phase DIN Rail ATS for Solar PV and Inverter Dual Power Transfer Switch

Solar PV Inverter Dedicated Dual Power ATS Single-Phase 2P 63A/100A/125A

Solar PV Priority Inverter to Grid CE Certified Zero Arc Hazard
$15.57 / pc MOQ: 5 pcs
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CE Certified 2P 3P 4P DIN Rail ATS for PV Inverter Dual Power Automatic Selector Switch

Modular DIN Rail ATS for Solar Inverter & Grid Backup 2P/3P/4P 63A-125A

Multi-Pole Options 2P/3P/4P 50Hz / 60Hz Instant Trigger
$15.57 - $17.24 MOQ: 5 pcs
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Manual MTS 2P Plus 2P MTS AC Dual Power Manual Transfer Switch Circuit Breaker MCB 50Hz 60Hz

2P+2P Manual Transfer Switch (MTS) Dual Power Changeover Circuit Breaker

Manual Interlock 2P+2P MCB Overload & Short Circuit Cost-Effective
$6.09 / pc MOQ: 5 pcs
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Technical Specification Matrix for ATS Series

Series Parameter Standard DIN Rail ATS Smart WiFi / Wireless ATS Manual MTS Breaker
Rated Current (In) 63A, 100A, 125A 63A, 100A, 125A 16A, 32A, 63A
Operating Voltage (Ue) AC 110V/120V or 220V/230V / 400V AC 220V/230V or 3-Phase 380V/400V AC 230V / 400V
Pole Availability 2P, 3P, 4P (Neutral Switched) 2P, 3P, 4P 1P+1P, 2P+2P, 4P+4P
Transfer Action Time < 50 ms (Class PC/CB options) < 50 ms + Remote Triggers Manual Lever Hand-Switching
Dielectric Strength 2.5 kV (50Hz / 1 min) 2.5 kV 2.0 kV
Mechanical Endurance 10,000 Cycles 10,000 Cycles 8,000 Cycles
Applicable Systems Solar Inverter + Grid / Genset Smart Home / Energy Management Residential Backup Panels

Need Tailored ATS Solutions or Wholesale Pricing?

Whether you need volume OEM branding, custom coil voltage windings, or integrated ATS distribution panels, the engineering specialists at Zhejiang TMB Electric Co., Ltd. provide rapid quotations and full technical datasheets.

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