What is the minimum order quantity for the AT-Q-SMR1-20?

MOQ is 10–50 pieces for stocked models and 100–500 pieces for OEM or branded production, depending on the configuration and packaging. Trial orders are accepted for first-time buyers.

What is the lead time for AT-Q-SMR1-20?

Stocked units ship in 3–7 working days. Production orders take 15–20 days after deposit and artwork approval; peak season (August–November) may extend to 25 days. The schedule is confirmed in writing on the proforma invoice.

Can the AT-Q-SMR1-20 be customised with our brand?

Yes. We support OEM with your logo, housing colour, retail packaging and manual, and ODM with firmware and app-interface changes for Wi-Fi and 4G models. Provide artwork and target market requirements for evaluation.

Home › Products › Smart Breakers › SMR1 Smart IoT RCBO — 6 kA, 20 / 40 A

Smart Breakers · Ref. AT-Q-SMR1-20

SMR1 Smart IoT RCBO — 6 kA, 20 / 40 A

1P+N smart RCBO with 6 kA breaking capacity and <40 ms residual-current trip — Class 1.0 metering, Tuya Wi-Fi / Zigbee / RS485, app and PC control.

Remote ON/OFF, schedules, countdown and cycle timing from the free app
Real-time voltage, current, power and kWh metering with history
Over-voltage / under-voltage / over-current / over-power / over-temperature trip with auto-reclosing
Operation records, power-failure alarm and pre-alarm warnings
Voice control (Alexa / Google via Tuya), device sharing, group and scene control
Scheduled test-tripping, power-on delay reclosing and remote permission management
High-sensitivity residual current protection, trip time < 40 ms
Motorized remote ON/OFF plus manual control, App and PC platforms

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Buyer information

Model / SKU: AT-Q-SMR1-20 (ref. at-q-smr1)
MOQ: 10–50 pcs for stocked models · 100–500 pcs for OEM/branded runs
Lead time: 3–7 working days ex-stock · 15–20 days for production orders
Sample: Available in 3–5 days by courier; sample cost refundable on the first bulk order
Certification: CE, RoHS, CB scheme (selected models)
OEM / ODM: Logo, housing colour, packaging and manual; firmware & app changes for Wi-Fi/4G models
Trade terms: FOB Ningbo / Shanghai · CIF, DDP or EXW on request
Payment: T/T 30% deposit, balance before shipment · Alibaba Trade Assurance · PayPal for samples

Indicative terms for export orders. Final MOQ, price and schedule are confirmed in the quotation — reply within 24 hours.

Specifications
Models	AT-Q-SMR1-20 (20 A) · AT-Q-SMR1-40 (40 A)
Rated voltage	AC 230/240 V, 50/60 Hz
Rated current	1–63 A adjustable
Poles / width	1P+N (36 mm)
Trip curves	B, C
Breaking capacity	Icn = Ics = 6 kA
Residual current	AC 10–100 mA adjustable · 30/100 mA defaults · trip < 40 ms
Closing / opening time	< 2.0 s / < 1.0 s
Metering accuracy	Class 1.0
Communication	Wi-Fi (Zigbee, RS485 options)
Wiring capacity	25 mm²

Typical applications: Residential panels, commercial circuits, telecom facilities and industrial power management.

Further reading How to Size a Smart Circuit Breaker for 4G or Wi-Fi Control→Add Remote Control to an Existing Distribution Board Without Rewiring→Smart Breaker vs Smart Relay vs Contactor: Which One Controls Your Load Best?→

Bulk Pricing & OEM Options Available

Tell us your quantity and market — MOQ is flexible for first orders, and samples ship worldwide.

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SMR1 Smart IoT RCBO — 6 kA, 20 / 40 A

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Bulk Pricing & OEM Options Available