Company Overview - Hangzhou Oldlang Smart Technology Co., Ltd.

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Hangzhou Oldlang Smart Technology Co., Ltd.

Multispecialty Supplier

7yrs

Zhejiang, China

Main categories: Circuit Breaker, Relay, Contactor, Switch, PCB

Supplier for Fortune 500 companies

Design-based customization

Full customization

TOP PRODUCT

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Permanent Magnet Relay (PMR) for RCCB & RCBO & RCD & ELCB

$1.50-2 / pole

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Wifi Smart Switch Collector Electrical 485 GPRS Zigbee M-Bus Lora with Rcbo Circuit Breaker

$38-63 / carton

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Electric Motor Lora Technology Smart Circuit Breaker with Metering Earth Leakage Function Lora Technology

$38-63 / carton

Verified Main Products

Main product

Safety Breaker RCBO

Easy Return

Main product

Tuya Smartlife IoT 10A Wifi Smart Electric Circuit Breaker/interruptor, Phone Remote and Alexa/google Assistant Voice Control

Easy Return

Main product

2P 1P+N 63A 30mA 300mA Type B RCD RCCB with VDE CB test Report

Easy Return

Main product

4P 10A-125A 400V IOT-based WiFi MCB Circuit Breaker Smart Home Protection

Easy Return

Main product

Arc Fault Detection Devices AFDD Metal Consumer Units Circuit protection

Easy Return

Main product

Mcb Mini Function Earth Leakage Circuit Breaker Mccb ELCB Rcbo Rcd

Easy Return

Main product

Smart MCB Double Poles MK9-125 63A 2P Tuya Remote Control Switch Intelligent Reclosing WiFi Home Timer Miniature Circuit Breaker

Easy Return

Main product

Electric Air Home Automation Smart IOT 485 Modbus Wifi 4G Vacuum Circuit Breaker with APP Remote Control for Leakage Protection

Easy Return

Main product

Best Seller Oem Intelligent Hot Lora Wifi Ble Smart Gateway Mini Lora Outlet Socket Plug

Easy Return

New Trending Products

Open Combined Protective and Neutral(PEN) Conductor Detection Devices(OPDDs) 3P D100A

$45-60

Min. Order: 100 pieces

Open Combined Protective and Neutral(PEN) Conductor Detection Devices(OPDDs) 3P D80A

$45-60

Min. Order: 100 pieces

Open Combined Protective and Neutral(PEN) Conductor Detection Devices(OPDDs) 3P D63A

$45-60

Min. Order: 100 pieces

Top picks

125A~1600A Moulded Case Circuit Breaker RCCB Residual Current Circuit Breaker RCD

$46-60

Min. Order: 100 cartons

Good Quality Reliable Arc Fault Detection Device AFDD 40A Fire Safety Dc Circuit Breaker, Breakers Circuit

$60-90

Min. Order: 50 poles

Outdoor Vacuum Smart schneider Arc Fault Thermal Miniature Elcb 2/4 Pole Electrical Dc Circuit Breaker for Solar System

$150-160

Min. Order: 50 poles

Hot Selling Diy Electric IOT Zigbee Wifi Smart Circuit Breaker 10A 16A Alexa Remote Control Tuya Smart Breaker

$150-160

Min. Order: 50 poles

Automatic Recloser Electric Breakers Electrical Protections in Stock Interruptor Mini Disyuntor

$21-35

Min. Order: 500 poles

1A-63A 220V Smart Industrial Remote Control Automatic Reclosing Automatic Circuit Recloser

$21-35

Min. Order: 500 poles

Chint NC6 AC Contactor 16A, 25A, 40A, 63A, 100A Low Voltage Contractor

$5-8

Min. Order: 500 poles

TRJ11-40G New Design 1P 2P 3P 4P Mini Home Smart Circuit Breaker Switch Automatic Circuit Recloser

$150-160

Min. Order: 50 poles

230/400V Wireless Remote Control Smart Circuit Breaker with Metering Function

$35-55

Min. Order: 500 poles

Products With Video

Open Combined Protective and Neutral(PEN) Conductor Detection Devices(OPDDs) 3P D100A US $45.0 - 60.0 Min. Order: 100 pieces	Open Combined Protective and Neutral(PEN) Conductor Detection Devices(OPDDs) 3P D25A US $45.0 - 60.0 Min. Order: 100 pieces	Type B RCBO Circuit Breaker TRG 11-40B 1P+N 6a 10a 20a 16a 25a 32a 40a US $50.0 - 60.0 Min. Order: 100 pieces	TUYA WIFI GPRS Smart Circuit Breaker US $150.0 - 160.0 Min. Order: 50 poles
	Open Combined Protective and Neutral(PEN) Conductor Detection Devices(OPDDs) 3P D32A US $45.0 - 60.0 Min. Order: 100 pieces		Automatic Reclosing Device (ARD) US $25.0 - 30.0 Min. Order: 50 boxes