Editorial Technical Reference

Emergency Stop

This page explains how Emergency Stop is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

An emergency stop is a critical safety component within jog control systems that provides a rapid, manual method to cease all hazardous machine movements.

Product Specifications

Technical details and manufacturing context for Emergency Stop

Definition
An emergency stop is a critical safety component within jog control systems that provides a rapid, manual method to cease all hazardous machine movements. It functions as a fail-safe mechanism that overrides normal operating controls to prevent injury or equipment damage during emergencies. The device is typically a push-button actuator with a mushroom-shaped head, often colored red on a yellow background for high visibility. When activated, it breaks the control circuit, sending a stop signal to the machine's drive system, thereby stopping all motion. The emergency stop is designed to be manually operated, requiring a deliberate action such as pressing or pulling, and must be reset manually to restore normal operation. This ensures that the machine cannot be restarted without a conscious decision by the operator. The device is available in various configurations, including twist-to-release, pull-to-release, or key-release mechanisms, depending on the application requirements. It is commonly used in industrial machinery, conveyor systems, robotics, and other equipment where rapid stopping is essential for safety. The emergency stop is a component that must be integrated into the machine's control system, and its proper functioning is critical for compliance with safety standards. It is important to note that the emergency stop is not a substitute for other safety measures, such as guards or interlocks, but rather a complementary device that provides an additional layer of protection. The device is subject to international standards, such as IEC 60947-5-1, which specify requirements for construction, performance, and testing. When selecting an emergency stop, it is essential to consider factors such as the operating voltage, current rating, contact resistance, mechanical and electrical durability, operating temperature range, degree of protection, and mounting dimensions. These parameters must be verified with the manufacturer for the specific model and application. The emergency stop is a vital component in ensuring the safety of personnel and equipment in industrial environments.
Working Principle
When the emergency stop button is pressed, it mechanically or electronically breaks the control circuit, sending a stop signal to the machine's drive system. This typically involves opening normally-closed contacts that are held closed by the button's spring-loaded mechanism. Activation requires manual resetting to restore normal operation.
Common Materials
Plastic, Metal
Technical Parameters
ParameterTypical rangeNotes & selection driver
Rated Operating Voltage24–240 V AC/DCCovers common control voltagesIEC 60947-5-1
Rated Insulation Voltage250 VMinimum for industrial useIEC 60947-5-1
Rated Thermal Current10 AContinuous current capacityIEC 60947-5-1
Contact Resistance≤50 mΩInitial value, ensures reliable signalIEC 60947-5-1
Mechanical Durability≥100000 operationsMinimum cycles without failureIEC 60947-5-1
Electrical Durability≥50000 operationsAt rated loadIEC 60947-5-1
Operating Temperature Range-25–70 °CStandard industrial rangeIEC 60947-5-1
Degree of ProtectionIP65–IP67Dust-tight and water-resistantIEC 60529
Actuator Diameter22.5–30 mmCommon mounting sizesIEC 60947-5-1
Mounting Hole Diameter22.3–30.5 mmFor panel mountingIEC 60947-5-1
Weight50–150 gDepends on configuration
Terminal TypescrewScrew terminals standardIEC 60947-1

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
  • Button Head Part
    Manual activation surface with high-visibility color (typically red)
    Material: Plastic
  • Contact Block
    Contains electrical contacts that open/close the control circuit
    Material: Plastic with metal contacts
  • Mounting Base Part
    Secures the emergency stop to the control panel or machine surface
    Material: Metal
  • Reset Mechanism Part
    Allows the button to be returned to ready position after activation
    Material: Metal springs and plastic components

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
other spec: IP65 rating, 500V max voltage, 10A max current
temperature: -20°C to +70°C
Media Compatibility
✓ Industrial machinery ✓ Conveyor systems ✓ Robotic cells
Unsuitable: Explosive atmospheres (ATEX zones 0/1)
Sizing Data Required
  • Machine power rating (kW)
  • Safety category required (ISO 13849)
  • Mounting configuration (panel/remote)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Contact Welding/Fusion
Cause: High inrush currents during emergency activation causing contacts to arc and weld together, preventing proper disengagement
Mechanical Binding/Seizing
Cause: Corrosion, contamination buildup, or physical damage to the actuator mechanism preventing smooth operation
Maintenance Indicators
  • Audible grinding, sticking, or delayed response when testing the emergency stop button
  • Visible corrosion, physical damage, or misalignment of the emergency stop actuator or enclosure
Engineering Tips
  • Implement regular functional testing under controlled conditions to verify response time and reset capability without exposing personnel to hazards
  • Establish preventive maintenance schedule for cleaning, lubrication (if applicable), and inspection of mechanical components and electrical contacts

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 13850:2015 - Safety of machinery - Emergency stop function - Principles for design ANSI B11.19-2019 - Performance Criteria for Safeguarding DIN EN 418:1992 - Safety of machinery - Emergency stop equipment, functional aspects - Principles for design

Quoted from the published standard.

Manufacturing Precision
  • Actuator travel distance: +/- 1.0 mm
  • Contact gap in released position: 0.5 mm maximum
Quality Inspection
  • Functional test - actuation force and response time verification
  • Dielectric strength test - insulation resistance at 500V DC
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Emergency Stop

8 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

JOCHAMP
Rui'an, Zhejiang, CN
Founded 2005
CE ISO9001 SGS
Listed on the company's own website · profile compiled by CNFX from public sources
View source page ↗ jochamp.com · recorded 2026-08-18
Beny New Energy
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “With Emergency Stop Switch”
View source page ↗ beny.com · recorded 2026-09-09
CDOE Yueqing Dahe Electric Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Emergency Stop Switch”
View source page ↗ chinacdoe.com · recorded 2026-08-27
Filn
Yueqing, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Emergency Stop Button”
View source page ↗ filn.com · recorded 2026-09-14
Jiangyin Ida Equipment Co., Ltd.
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Emergency Stop Systems”
View source page ↗ idaequipment.com · recorded 2026-08-27
Shenzhen Metalcnc Tech Co. Ltd.
Shenzhen, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “CNC With Emergency Stop Ele...”
View source page ↗ metalcnctools.com · recorded 2026-09-17
Shenzhen Sophia Lighting Co., Ltd.
Shenzhen, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Emergency Stop Button”
View source page ↗ sophialight.com · recorded 2026-09-15
Zhejiang UN Forklift Co., Ltd.
Hangzhou, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Emergency Stop Function”
View source page ↗ unforklift.com · recorded 2026-09-16

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Frequently Asked Questions

What is the purpose of an emergency stop?

An emergency stop is a safety device that immediately halts machine motion when activated, providing a rapid manual method to prevent injury or equipment damage during emergencies.

How does an emergency stop work?

When the button is pressed, it breaks the control circuit, opening normally-closed contacts and sending a stop signal to the drive system. The device must be manually reset to restore operation.

What standards apply to emergency stops?

Emergency stops are typically covered by IEC 60947-5-1, which specifies requirements for construction, performance, and testing. Always verify compliance with the manufacturer.

What parameters should be considered when selecting an emergency stop?

Key parameters include rated operating voltage, insulation voltage, thermal current, contact resistance, mechanical and electrical durability, operating temperature range, degree of protection, and mounting dimensions. Confirm these with the manufacturer.

Related equipment

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Specialized Tooling

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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