Lazmin
0 ratings
Current Sensing Switch, AC 0.2 to 30A Adjustable Normally Open Current Monitoring Relay SZC23 NO AL with LED Indicator
genuine image
Current Sensing Switch, AC 0.2 to 30A Adjustable Normally Open Current Monitoring Relay SZC23 NO AL with LED Indicator
Using this device can not only get more accurate and more timely control, but can also greatly simplify the design and reduce costs.
Current Sensing Switch, AC 0.2 to 30A Adjustable Normally Open Current Monitoring Relay SZC23 NO AL with LED Indicator
Item #: 21257770

Current Sensing Switch, AC 0.2 to 30A Adjustable Normally Open Current Monitoring Relay SZC23 NO AL with LED Indicator

90% of respondents would recommend this to a friend

Item #: 21257770
0 ratings Write a review
Out of stock
us Imported from USA store
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Using this device can not only get more accurate and more timely control, but can also greatly simplify the design and reduce costs.
Search for similar products
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Adjustable Sensitivity
The SZC23 relay allows users to set current detection between 0.2 to 30A, ensuring customizable monitoring for various AC applications, enhancing flexibility in performance and usage.
LED Indicator
Equipped with an LED indicator, this switch provides real-time visual feedback on current status, allowing for easy monitoring and quick diagnosis of system performance and potential issues.
Normally Open Design
The normally open design enhances safety by ensuring the circuit remains off until current exceeds set levels, effectively preventing overcurrent risks and potential damage to connected devices.

Product Details

Shop Current Sensing Switch, AC 0.2 to 30A Adjustable Normally Open Current Monitoring Relay SZC23 NO AL with LED Indicator online at a best price in São Tomé and Príncipe. B07WH17M8Y
  • 2000V resistant outer casing made of self extinguishing ABS material
  • Self-powered with LED indicator for convenient working status indication
  • High-power MOS tube contactless electronic switch with no limit on opening and closing
  • Adjustable action current range of 0.2 to 30A AC with hysteresis less than 1%
  • Suitable for AC current measurement, overload protection, and automatic control systems
  • SZC23 NO AL CH model with dimensions of 65*25*47mm and hole diameter of 10mm
Operation ModeAutomatic
Current Rating30 A
Operating Voltage240 volts
Contact TypeNormally Open
Connector TypeScrew Terminals
Switch TypeMOSFET
TerminalThrough Hole
Circuit Type1-way
Mounting TypePanel Mount
Number of Positions1
Control MethodTouch
Wattage120 watts
Item Dimensions2.56 x 1.97 x 0.98 inches (6.5 x 5 x 2.5 cm)
Unit Count1 Count
Material TypeCopper
Contact MaterialPlastic
International Protection RatingIP30
Specification MetMs
Brand NameLazmin
ManufacturerLazmin
UPC717207345314
Item Weight0.06 kg
Part NumberLazminmbn2g3ku0z
BrandLazmin
MaterialCopper
Item dimensions L x W x H2.56 x 1.97 x 0.98 inches (6.5 x 5 x 2.5 cm)

Who Should Buy?

Suitable For
  • Home Automation

    Perfect for monitoring current in home appliances, enhancing control over energy usage efficiently and safely.

  • Industrial Applications

    Suitable for industrial settings needing reliable current sensing to prevent overloads and equipment damage.

  • DIY Electronics

    A great option for hobbyists creating projects that require current monitoring for safe operation.

Not Suitable For
  • High Current Loads

    Not suitable for applications exceeding 30A, as it may lead to malfunction or safety hazards.

Product Description

Current Sensing Switch, AC 0.2 to 30A Adjustable Normally Open Current Monitoring Relay SZC23 NO AL with LED Indicator

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Current Sensing Switch, AC 0.2 to 30A?

    Answer: The Current Sensing Switch is designed to monitor and control electrical loads by detecting current flow in a circuit ranging from 0.2 to 30A. This allows users to automate tasks or provide safety mechanisms by switching devices on or off based on current levels. For instance, it can be used in home automation systems to turn off appliances when they draw too much current, protecting circuits from overload and enhancing overall energy efficiency.
  • Question: How does the adjustable feature of the SZC23 relay work?

    Answer: The adjustable feature of the SZC23 relay allows users to set the threshold current level at which the switch activates. This customization is essential for various applications, ensuring that the relay will operate specifically based on the type of load it's monitoring. For example, in industrial settings, you might set a higher threshold for heavy machinery while maintaining a lower limit for sensitive electrical devices.
  • Question: What does the LED indicator signify?

    Answer: The LED indicator on the Current Sensing Switch provides a visual cue regarding the operational status of the device. When the relay is active, the LED lights up, allowing users to easily monitor its functionality at a glance. This is particularly beneficial in environments where immediate visual feedback can prevent mishaps, such as in electrical panels or remote setups.
  • Question: Can this relay be used in a home automation system?

    Answer: Yes, the Current Sensing Switch is well-suited for integration into home automation systems. It enables smart control of appliances by detecting current levels. For example, you could set the relay to turn off a heater when it consumes more current than designated, ensuring safety and reducing energy waste when not needed.
  • Question: What types of devices can be monitored with this relay?

    Answer: This relay can monitor a wide range of devices, from small appliances to larger systems, as long as they operate within the 0.2 to 30A current range. This includes HVAC systems, home entertainment equipment, and industrial machinery. By implementing this relay, users can safeguard equipment from excessive current draw, potentially extending the lifespan of their devices.
  • Question: Is this switch suitable for outdoor use?

    Answer: The Current Sensing Switch is typically designed for indoor applications unless specified otherwise by the manufacturer. Generally, it should be installed in a dry location to prevent moisture damage. For outdoor usage, it is crucial to ensure it is housed in a suitable enclosure that protects it from environmental factors, maintaining optimal performance.
  • Question: What adjustments can be made to the current sensing settings?

    Answer: Adjustments to the current sensing settings of the SZC23 relay enable users to precisely define the current thresholds for activation and deactivation. This allows for enhanced control tailored to specific applications. For instance, users can set different thresholds for varying equipment depending on their current draw needs, thereby optimizing energy use and operational efficiency.
  • Question: Can the Current Sensing Switch be reset automatically?

    Answer: The SZC23 relay does not typically include an automatic reset feature; it operates with a normally open circuit design that activates based on current detection. However, users can manually reset it after the overload condition has been addressed. This functionality is essential in applications needing manual confirmation of safety before resuming operation, ensuring compliance with safety practices.
  • Question: What safety features does the Current Sensing Switch offer?

    Answer: The Current Sensing Switch comes with inherent safety features designed to protect circuits from overload conditions. By monitoring current levels and triggering a switch-off if the specified limit is exceeded, it acts as a proactive measure against potential hazards. This makes it ideal for setups in both domestic and industrial arenas where equipment reliability and user safety are paramount.
  • Question: Where can I buy the Current Sensing Switch in São Tomé and Príncipe?

    Answer: You can purchase the Current Sensing Switch, AC 0.2 to 30A Adjustable Normally Open Current Monitoring Relay SZC23 NO AL CH with LED Indicator on Ubuy. This platform offers a wide range of products, ensuring you can quickly find this specific relay along with detailed product descriptions and customer support for a seamless shopping experience.

Lazmin Current Sensors Editorial Review

Current Sensing Switch, AC 0.2 to 30A Adjustable Normally Open Current Monitoring Relay SZC23 NO AL with LED Indicator offers a robust automatic operation mode for monitoring current up to 30A. This device operates efficiently at 240 volts and features a normally open contact type, ensuring reliable performance. The panel mount design and touch control method make it user-friendly, while its compact dimensions of 2.56 x 1.97 x 0.98 inches allow for easy installation in various applications. Users have expressed satisfaction with its LED indicator, which enhances visibility for monitoring current levels.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Automatic operation for seamless current monitoring
  • Adjustable settings for various current ratings
  • Compact design fits in tight spaces
  • Easy installation with screw terminals
  • Bright LED indicator for clear status visibility

Cons

  • May require basic electrical knowledge for installation

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9477 reviews
Read reviews
JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
AG
Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

Currently unavailable.

We don't know when or if this item will be back in stock.

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • AC current sensing switch for monitoring
  • Mutual inductance principle
  • Output switching signal to control automation equipment
  • More accurate and timely control
  • Simplify design and reduce costs

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.