MMFFEX51 Three-proof Junction Box

Technical Data

1.Explosion-proof Type

• Standards Implemented: Complies with national three-proof anti-corrosion standards. This is WF2 anti-corrosion junction box, not Ex explosion-proof product and does not follow GB3836 standards for explosive atmospheres.
• Applicable Hazardous Areas: Without explosion-proof qualification. Cannot be directly used in gas or dust explosive hazardous areas. Suitable for indoor and outdoor non-explosive sites with strong corrosive atmosphere.
• Ex Marking:No Ex rating. Ingress-protection grade IP66 with anti-static and heavy-duty anti-corrosion performance.

2.Product Parameters

• Product Type: Three-proof anti-corrosion junction box of engineering-plastic, equipped with UK, PT, PE terminal blocks for cable distribution and transition connection.
• Certification: No Ex explosion-proof certificate shown on datasheet. It is three-proof anti-corrosion product and cannot be directly used in explosive hazardous areas.
• Material: Anti-static engineering-plastic enclosure; sealing strip made of high-temperature-resistant anti-ageing silicone rubber.
• Exposed Fasteners: No exposed fastening bolts. Enclosure is wall-mounted with screws through reserved mounting holes. Integrated threaded cable ports on housing.
• Electrical-Rated Voltage: Rated voltage not specified on datasheet, suitable for general low-voltage circuits.
• Electrical-Rated Current: Depends on selected terminal block rating.
• Protection-Ingress Protection: IP66.
• Protection-Ambient Temperature: -40℃～+60℃.
• Connection-Cable Cross-section: M16 for cable outer diameter φ4-8mm M20 for cable outer diameter φ6-12mm M25 for cable outer diameter φ8-17mm M32 for cable outer diameter φ12-21mm
• Connection-Cable Entry: Integrated threaded cable ports, thread sizes M16×1.5, M20×1.5, M25×1.5, M32×1.5. Outlet directions: top, bottom, left, right optional.
• Connection-Cable Gland: Cable glands are not supplied. Glands with matching thread shall be installed on-site.

3.Product Classification & Origin

HS Code: 8536900000
Country of Origin: China

4.Applicable Industries

• Suitable for: Chemical industry, grain-oil processing, ships & yachts, automatic complete-set equipment, public buildings and other industries. Suitable for strong corrosive-gas environment, both indoor and outdoor.
• Practicality: Engineering-plastic enclosure fitted with UK, PT and PE terminal blocks. Terminal quantity can be selected according to project requirements. Cable ports are available for top, bottom, left and right outlet directions. Thread sizes M16, M20, M25, M32 fit various outer-diameter cables. 1#/2#/3# enclosure sizes are available for different wiring loops, convenient for field installation.
• Safety Performance: IP66 ingress-protection rating. Anti-static, corrosion-resistant, impact-resistant enclosure with good thermal stability. Concave-convex cover-base structure together with high-temperature-resistant anti-ageing silicone rubber sealing strip ensures water-proof and dust-proof performance. Operating ambient temperature: -40℃～+60℃, guaranteeing reliable cable connection under heavy-duty corrosive conditions.

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 indepth 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 is the ingress-protection rating of the YXF51 junction box?

A1: The protection grade is IP66, suitable for indoor and outdoor installation.

 

Q2: What cable thread sizes are available for the YXF51 three-proof junction box?

A2: Optional thread specifications include M16×1.5, M20×1.5, M25×1.5 and M32×1.5.

 

Q3: What is the working ambient temperature range for YXF51?

A3: Its applicable ambient temperature ranges from -40℃ to +60℃.