Technical Data
1.Explosion-proof Type
- Standards Implemented:YX0502 indicator-light module and YX0501 push-button contact module are built-in electrical components without separate Ex certificates and must be fitted inside an enclosure complying with GB3836 for explosive atmospheres.
- Applicable Hazardous Areas: These modules cannot be used bare in explosive hazardous areas and can only be applied in relevant hazardous zones after being assembled in a certified explosion-proof enclosure.
- Ex Marking: Gas protection: The modules themselves have no independent Ex rating, and the explosion-proof grade of complete set is determined by the matched explosionproof enclosure.
2.Product Parameters
- Product Type: Push-button contact modules and indicator-light modules, built-in assembled electrical modules for explosion-proof enclosures for signal indication and circuit switching.
- Certification: No separate Ex certification. They are internal components and shall be installed inside certified explosion-proof enclosures.
- Material: Housing made of insulating engineering plastic; indicator lamp with transparent plastic cover; internal metal contacts.
- Exposed Fasteners: No exposed fasteners. Fixed by clip-on connection with push-button base.
- Electrical-Rated Voltage: Indicator-light module: DC 24-40V, AC 240V. Contact modules for low-voltage control circuits.
- Electrical-Rated Current: No separate rated current shown on datasheet, subject to complete control circuit.
- Protection-Ingress Protection: No independent IP rating for modules. Protection performance depends on assembled explosion-proof enclosure.
- Protection-Ambient Temperature: No separate data on datasheet. Operating temperature follows matched explosion-proof enclosure.
- Connection-Cable Cross-section: Screw-clamp terminals for general control cables, no specified wire cross-section in datasheet.
- Connection-Cable Entry: No cable entry on modules. Cables connect to module terminals; cable entry is provided by outer explosion-proof enclosure.
- Connection-Cable Gland: No cable gland supplied. Glands are fitted on explosion-proof enclosure.
3.Product Classification & Origin
HS Code: 8536500000
Country of Origin: China
4.Applicable Industries
- Suitable for: Chemical, grain-oil, shipbuilding and automation complete-set equipment industries. They are built-in components installed inside explosion-proof operation boxes and control boxes for signal indication and button on-off control.
- Practicality: This product series includes indicator-light modules and push-button contact modules. Indicator-lights support AC and DC voltages with red, green and white colors. Contact modules provide normally-open, normally-closed and mixed contact types. Up to 6 contact modules can be combined. Screw-clamp terminals ensure convenient wiring for various control circuits.
- Safety Performance: Stable contact performance and clear status indication by indicator lamps. The modules shall not be used bare and must be housed in explosion-proof enclosures to ensure reliable operation of control circuits.
5.Credibility
MMALATEX explosion-proof products comply with strict international standards and hold complete ATEX, IECEX and EAC certifications to ensure compliant operation in global markets. This series of explosion-proof products is engineered for extreme working conditions with IP65/IP66/IP67 protection ratings, delivering excellent resistance to water, dust and corrosion. We provide customers with in-depth supporting services, including comprehensive technical support, complete warranty services and worldwide logistics support. Wherever your project is located, MMALATEX ensures smooth project delivery and provides safe and reliable solutions for hazardous areas.
6.FAQs
Q1: What colors are available for the YX0502 indicator-light module?
A1: It is available in red, green and white.
Q2: What is the maximum number of contact modules that can be assembled together?
A2: Up to six contact modules can be added.
Q3: Can these modules be used alone in explosive hazardous areas?
A3: No, they must be installed inside a certified explosion-proof enclosure.







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