Is this YWBL-WH AC Current Sensing Switch safe for industrial use in India?

Yes, the YWBL-WH AC Current Sensing Switch is designed for industrial automation and safety. It features a fireproof ABS shell and an IP30 rating, operating within a wide temperature range of -10°C to 55°C. It is self-powered and meets standard industrial control requirements for current monitoring.

How do I choose the right current sensing switch for my application?

Consider the required current range (0.2-30A for this model), the type of current (AC only), the output contact type (normally closed), and the switch capacity (0.5A@12-240VAC/DC). Ensure the threading hole diameter (9mm) fits your conductor and the IP rating (IP30) suits your environment. This switch is ideal for AC loads in industrial automation.

Can this current switch trigger a downstream contactor or PLC input?

Yes, this current sensing switch provides a normally closed dry-contact output. It can trigger downstream control equipment like contactors, buzzers, relays, or PLC inputs when the monitored current crosses its threshold, provided the control circuit voltage and current match the switch's 0.5A@12-240VAC/DC rating.

How to use the YWBL-WH AC Current Sensing Switch?

Install the switch by threading the AC conductor through the 9mm hole. Connect the normally closed output terminals to your control circuit (e.g., relay, PLC). The switch is self-powered and will automatically activate its output based on the monitored current range (0.2-30A).

What is the best AC current sensing switch for industrial automation?

The YWBL-WH AC Current Sensing Switch is a strong contender for industrial automation due to its self-powered operation, wide current range (0.2-30A), and durable construction. It offers a normally closed output suitable for controlling various equipment and is imported with all duties included for Indian customers.

Can I use this electronic switch daily in India?

Yes, this electronic switch is designed for continuous industrial use and daily monitoring applications. Its robust construction, wide operating temperature range (-10°C to 55°C), and self-powered functionality make it suitable for reliable daily operation in Indian industrial environments.

What are the benefits of this current sensing switch?

Key benefits include self-powered operation, a wide current monitoring range (0.2-30A), a long service life compared to traditional protectors, and a fireproof ABS shell with IP30 rating for durability. It provides convenient monitoring and alarm functions for automated industrial control.

Does this electronic switch have side effects?

As an industrial control component, this electronic switch does not have 'side effects' in the way a consumable product might. However, improper installation or exceeding its specified voltage/current ratings could lead to malfunction or damage to connected equipment. Always ensure it's used within its operational parameters.

YWBL-WH AC Current Sensing Switch, 0.2-30A Self-Powered Monitoring Relay, Normally Closed, Industrial Control Equipment Sensor

Name: YWBL-WH AC Current Sensing Switch, 0.2-30A Self-Powered Monitoring Relay, Normally Closed, Industrial Control Equipment Sensor
Brand: YWBL-WH
SKU: pmc4784
Price: 3086.00 INR
Availability: InStock

About this item

The YWBL-WH AC Current Sensing Switch offers advanced current monitoring for industrial applications. It operates self-powered, utilizing electromagnetic mutual inductance to detect currents from 0.2A to 30A without external power. This switch is designed for reliability, featuring a fireproof ABS shell and an IP30 rating, suitable for environments with temperatures ranging from -10°C to 55°C.

This sensor provides a normally closed output with a switch capacity of 0.5A at 12-240VAC/DC, making it ideal for controlling various automated industrial equipment. Its long service life and overload capacity of +100%@30A ensure consistent performance in demanding settings. The 9mm threading hole diameter and flat installation form factor simplify integration into existing systems.

Widely used in substations, frequency control devices, and street lamp monitoring, this switch is a crucial component for automation. It provides convenient monitoring and alarm functions, ensuring efficient operation of electric equipment. Imported directly for Indian industries, all customs duties and GST are included in the price, with tracked delivery via ExpressBox.

Key Features

Compared with traditional transformer and thermal protector, it has the advantages of and long service life.
Using the electromagnetic mutual inductance principle of current, the advanced switch output detection, monitoring and alarm type products without power supply technology are adopted.
Widely used in substation, frequency control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other need current monitoring automation industry.
Control of various automatic industrial control equipment, flash, buzzer, relay, single chip, or other power load equipment.
The current-sensing switch is for , convenient monitoring or detecting the current of electric equipment. An ideal choice for automatic industrial control equipment and electric power monitoring.

Why choose this product

Reliable Industrial Automation

This YWBL-WH AC Current Sensing Switch provides robust current monitoring for critical industrial processes. Unlike basic transformers, its advanced electromagnetic mutual inductance principle ensures long service life and precise detection. It operates self-powered, simplifying installation in complex control panels. The normally closed output and 0.5A@12-240VAC/DC switch capacity are suitable for controlling various automated equipment, from relays to single-chip systems. Its fireproof ABS shell and IP30 rating offer durability. Imported directly for India, all customs duties and GST are included, ensuring transparent pricing.

Who It's For vs. Who Should Skip

Ideal for electrical engineers, automation specialists, and maintenance technicians in India needing to monitor AC current loads in industrial settings like substations, frequency converters, or street lighting systems. It's perfect for retrofitting or new installations requiring a self-powered, normally closed current switch. Skip if you require DC current sensing, a higher switch capacity than 0.5A, or a specific output type other than normally closed. Also, not suitable for environments requiring an IP rating higher than IP30.

How to use

Identify the AC conductor you need to monitor. Ensure the conductor's diameter does not exceed the switch's 9mm threading hole diameter. If using a split-core model, ensure it can be opened and clamped around the existing wire. — Prepare Conductor
Thread the AC conductor through the switch's aperture. Connect the normally closed output terminals to your control circuit (e.g., relay, PLC input, alarm). Since it's self-powered, no external power connection is needed for the switch itself. — Install and Wire
Power on the monitored equipment. Observe the red and green indicator lights on the switch. Test the output by simulating current conditions within the 0.2A-30A range to ensure it triggers correctly and controls your connected device as expected. — Configure and Test

Example scenarios

Typical situations where YWBL-WH AC Current Sensing Switch helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

An Indian factory needs to monitor the current draw of a critical conveyor belt motor to detect overloads and prevent damage. The motor circuit is already wired and difficult to access for installation.

How this product helps

This YWBL-WH AC Current Sensing Switch can be easily clamped around the motor's power cable without disconnecting it, thanks to its split-core design. Its self-powered nature simplifies wiring, and the normally closed output can trigger an alarm or shut down the system if current exceeds the 30A limit.

Scenario 2

Illustrative example

Where it helps

A street lighting control system in India requires automatic switching based on ambient light or current load, but the control panel has limited space and no spare power connections.

How this product helps

The compact, self-powered design of this switch makes it perfect for space-constrained panels. It can monitor the current of streetlights, triggering an alarm or control signal via its normally closed output when current drops (indicating a fault) or exceeds a set threshold, all without needing extra power.

Specifications

Usage

Control Type	Automatic
Mounting Type	Panel Mount
Terminal Type	Screw
Compatible Devices	Industrial control equipment, flash, buzzer, relay, single chip, power load equipment, substation, frequency control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine automation industry.
Shelf life after opening	12 months (category default for electronic components)
Contraindications	Not suitable for DC current sensing, switch capacity exceeding 0.5A@12-240VAC/DC, or environments requiring IP rating higher than IP30.

How we compare

Feature	YWBL-WH AC Current	Others
Sensing Principle	Electromagnetic mutual inductance, self-powered	Varies; may use transformers or Hall-effect sensors. Some may require external power.
Current Range	0.2A - 30A	Typically 1A - 50A or higher; specific ranges vary by model.
Output Type	Normally Closed (NC)	Available as Normally Open (NO) or Normally Closed (NC), model dependent.
Switch Capacity	0.5A @ 12-240VAC/DC	Often higher, e.g., 1A, 2A, or 5A @ 240VAC, depending on the model.
Cost	Imported, duties included — ₹3,086 per unit	Local alternatives range from ₹500 - ₹2500 depending on brand, features, and current rating.

SKU	pmc4784
GTIN	0738674419391
Brand	YWBL-WH
Model Number	YWBL-WHhxgnqre5cf-02
Switch Type	Electromagnetic, Normally Closed
Current Rating	0.2-30A
Frequency Range	40-400Hz
Switch Capacity	0.5A @ 12-240VAC/DC
Overload Capacity	+100% @ 30A
Threading Hole Diameter	9mm
Power Supply	Self-Powered
Startup Time	<0.1 Seconds
Indicator Light	Red and Green
Installation Form	Flat Installation
Shell Material	Fireproof ABS
Working Temperature	-10°C to 55°C (14°F to 131°F)
Working Humidity	0-95% Non-Condensing
IP Rating	IP30
Dimensions (L x W x H)	46 x 65 x 25mm (1.81 x 2.56 x 0.98in)
Item Weight	0.01 kg (0.022 lb)
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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YWBL-WH AC Current Sensing Switch, 0.2-30A Self-Powered Monitoring Relay, Normally Closed, Industrial Control Equipment Sensor

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About this item

Key Features

Why choose this product

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Example scenarios

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Usage

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