Overload Protection Sensor

Product Specifications

Technical details and manufacturing context for Overload Protection Sensor

Definition

An overload protection sensor is a critical safety component within industrial machinery systems that continuously monitors operational load parameters. When load conditions exceed predetermined safe thresholds, the sensor activates protective mechanisms such as automatic shutdown, load reduction, or alarm systems to prevent mechanical failure, electrical damage, or safety hazards. This sensor is designed for integration into various machinery and equipment manufacturing applications, where it serves as a part-level component. It is typically installed in systems where overloading can lead to costly downtime, equipment damage, or operator risk. The sensor's housing is made of stainless steel (grades 304–316 per ASTM A240), providing corrosion resistance for harsh industrial environments. Internally, it uses copper conductors and silicon semiconductor elements, encapsulated in epoxy resin for protection. The sensor operates within a supply voltage range of 9–36 V DC and provides a 4–20 mA analog output signal for compatibility with control systems. It offers an accuracy of ±0.5% of full scale and a response time of ≤10 ms, ensuring rapid detection and response. The rated load capacity ranges from 0.5 to 100 tons, with an adjustable overload setpoint from 50% to 150% of rated load. The operating temperature range is -40 to 85°C, and the ingress protection rating is IP65–IP67 per IEC 60529. The weight varies from 0.5 to 2.5 kg depending on capacity and housing. These specifications are reference ranges; for specific models, verify with the manufacturer. The sensor is not a standalone safety system; it must be integrated with appropriate control logic and protective devices. Regular calibration and maintenance are required to ensure reliable operation. Failure to maintain the sensor or incorrect setpoint configuration can lead to undetected overloads or nuisance trips. Always consult the manufacturer's documentation for installation, commissioning, and verification procedures.

Working Principle

The sensor measures physical parameters such as current, torque, pressure, or force using transducers. For electrical overload detection, current transformers are commonly used; for mechanical load monitoring, strain gauges are employed; and for hydraulic or pneumatic systems, pressure sensors are utilized. When the measured value exceeds the configured overload setpoint, the sensor sends an electrical signal to the control system, which then initiates protective actions such as shutdown, load reduction, or alarm activation. The sensor's response time is ≤10 ms, ensuring rapid intervention. The output signal is a 4–20 mA analog current loop, which is widely accepted in industrial control systems. The sensor's accuracy of ±0.5% of full scale ensures reliable detection. The setpoint is adjustable from 50% to 150% of rated load, allowing customization for specific applications. The sensor operates on a 9–36 V DC supply, making it compatible with various power sources. Its stainless steel housing and IP65–IP67 rating protect against dust and water ingress, suitable for harsh environments.

Common Materials

Stainless Steel Housing, Copper Conductors, Silicon Semiconductor Elements, Epoxy Resin Encapsulation

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Load Capacity	0.5–100 t	Select based on maximum expected load
Overload Setpoint	50–150 % of rated load	Adjustable to trigger protection at desired threshold
Accuracy	±0.5 % of full scale	Ensures reliable overload detection
Response Time	≤10 ms	Fast response to prevent damage
Supply Voltage	9–36 V DC	Wide input range for compatibility
Output Signal	4–20 mA	Analog output for integration with control systems
Operating Temperature	-40–85 °C	Suitable for harsh industrial environments
Ingress Protection	IP65–IP67	Protection against dust and waterIEC 60529
Material	304–316 stainless steel	Corrosion-resistant for industrial useASTM A240
Weight	0.5–2.5 kg	Varies with capacity and housing

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Sensing Element
Detects physical load parameters through electrical or mechanical means

Material: Silicon/Strain Gauge/Current Transformer
Signal Conditioning Circuit
Amplifies and processes raw sensor signals for accurate measurement

Material: Printed Circuit Board with Electronic Components
Output Interface
Transmits overload signals to control systems via analog/digital outputs

Material: Copper Terminals/Connectors
Protective Housing
Provides environmental protection and mechanical support

Material: Stainless Steel/Engineering Plastic

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Overload Protection Sensor.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Safety Features

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Manufacturers of Overload Protection Sensor

Manufacturer profiles associated with Overload Protection Sensor.

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Frequently Asked Questions

What is the typical response time of this overload protection sensor?

The response time is ≤10 ms, ensuring rapid detection and triggering of protective actions to prevent equipment damage.

What output signal does the sensor provide?

The sensor provides a 4–20 mA analog output signal, which is compatible with most industrial control systems for integration.

What is the operating temperature range?

The sensor operates within a temperature range of -40 to 85°C, making it suitable for harsh industrial environments.

How is the overload setpoint adjusted?

The overload setpoint is adjustable from 50% to 150% of rated load, allowing customization to trigger protection at desired thresholds. Always verify the specific adjustment method with the manufacturer.

Data Basis

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Preliminary Technical Classification

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pressure:	0 to 100 bar
load range:	0.1 to 500 kN
temperature:	-40°C to 85°C
response time:	<10 ms

Product Specifications

Industry Taxonomies & Aliases

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