INDUSTRY COMPONENT

Reset Button

Manual reset button for safety relay controllers in industrial machinery.

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Component Specifications

Definition
A manually operated push-button component integrated into safety relay controllers, designed to reset the safety circuit after a fault or emergency stop condition has been cleared. It ensures the machine cannot restart automatically, requiring intentional human intervention to restore normal operation, thereby enhancing operator safety.
Working Principle
When pressed, the reset button closes a contact within the safety relay controller, allowing the safety circuit to be re-energized if all safety conditions (e.g., guards closed, sensors clear) are met. It typically features a latching or maintained action to prevent accidental resets and may include visual indicators (e.g., LED) to show status.
Materials
Housing: Polyamide (PA66) or ABS plastic with UL94 V-0 rating for flame resistance; Contacts: Silver alloy or gold-plated for low resistance and durability; Spring: Stainless steel; Actuator: Thermoplastic with IP65/IP67 rating for dust/water resistance.
Technical Parameters
  • Mounting 22.5mm or 30.5mm panel cutout
  • Current Rating 2A-10A
  • Voltage Rating 24V DC/110-240V AC
  • Electrical Life 100,000 cycles
  • Mechanical Life 1,000,000 cycles
  • Operating Force 3-5N
  • Protection Rating IP65
  • Temperature Range -25°C to +70°C
Standards
ISO 13849-1, ISO 12100, IEC 60947-5-1, DIN EN 60204-1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Reset Button.

safety reset button industrial reset switch machine safety component safety relay reset emergency stop reset ISO 13849 compliant Reset Button Reset Button in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Safety Relay Controller

A specialized electrical device designed to monitor safety-critical functions and ensure safe operation of machinery by controlling safety circuits.

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Engineering Analysis

Risks & Mitigation
  • Accidental reset leading to unexpected machine startup
  • Wear and tear causing contact failure
  • Incorrect installation bypassing safety functions
FMEA Triads
Trigger: Mechanical wear or contamination
Failure: Button jams or fails to actuate
Mitigation: Use sealed designs (IP65+) and schedule preventive maintenance
Trigger: Electrical overload
Failure: Contact welding or arcing
Mitigation: Adhere to voltage/current ratings and install protective circuits
Trigger: Human error
Failure: Unauthorized or premature reset
Mitigation: Implement lockout/tagout procedures and training

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.5mm for mounting dimensions; contact resistance <50mΩ after lifecycle tests
Test Method
Functional testing per IEC 60947-5-1, including endurance, dielectric strength, and environmental stress tests

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the purpose of a reset button in a safety relay controller?

It manually resets the safety circuit after a fault, ensuring the machine only restarts when intentionally activated by an operator, preventing automatic restarts that could cause hazards.

Can a reset button be used interchangeably between different safety relay brands?

No, reset buttons are often brand-specific due to electrical ratings, mounting dimensions, and compatibility with the relay's internal logic. Always consult manufacturer specifications.

How often should a reset button be tested for functionality?

Test during regular safety system checks, typically monthly or as per the machine's maintenance schedule, to ensure reliable operation in emergencies.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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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