IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm
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IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm
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IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm
IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm
IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm
IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm
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IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm
IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm
IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm
IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm
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IP55 Grey ABS Plastic Junction Box 4 Holes 50×50/80x50mm

Type:Junction Box
External Size:50x50mm 80x50mm
Brand Name:Newtrend or OEM
Place of Origin:China
ip level:ip55
Model Number:RA 50x50mm 80x50mm
Size
SKU: 1600682325152 Category: Others
  • Description
  • Additional information
  • Technical Datasheet & Downloads
  • Technical FAQ & Selection Guide
Description

4 grommets holes 50x50mm 80x50mm Mureva Box IP55 Grey ABS plastic Junction Box with rubber grommets

 

Body material: ABS

Stopper material: PVC

Material characteristics:

Impact heat low temperature and chemical resistance, excellent electrical performance and surface gloss, etc.

Certificates: CE, ROHS

 

Application:

Suitable for indoor and outdoor eledria communicartion, fire lighting apparatus, iron and steel smelling, petrochemical industry, ©ledron, power system, railway, building, mine, air and sea port, hotel, ship, works, waste water treatment equipment, environmental equipment and so on.

Installation:

   1. lnside: There are the installation holes in the base for drcuit board ordin rail.

   2. Outside: The products can be directly fixed on the wall or other flat board with screws or nails via the screw holes In the base.

Outlet hole:

Cutting a hole in the PVC stopper as related cable size or installing cable gland to get better waterproof performance.

 

Model Code LxWxH Hole Qty Hole Size Protection PCS/CTN
(mm) (mm)
RA 50×50 50x50mm 4 Entry 25mm IP55 300
RA 80×50 80x50mm 4 Entry 240
RA 85x85x50 85x85x50mm 7 Entry 200
RA 100x100x70 100x100x70mm 7 Entry IP65 100
RA 150x110x70 150x110x70mm 10 Entry 60
RA 150x150x70 150x150x70mm 8 Entry 60
RA 200x100x70 200x100x70mm 8 Entry 60
RA 200x155x80 200x155x80mm 10 Entry 36mm 40
RA 200x200x80 200x200x80mm 12 Entry 40
RA 255x200x80 255x200x80mm 12 Entry 40
RA 255x200x120 255x200x120mm 12 Entry 30
RA 300x250x120 300x250x120mm 12 Entry 20
RA 400x350x120 400x350x120mm 16 Entry 10

 

 

Additional information
Weight 2 kg
Dimensions 25 × 25 × 25 cm
Size

50x50mm, 80x50mm

Technical Datasheet & Downloads

📄 Technical Documentation & Product Specifications

Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for IP55 Grey ABS Plastic Junction Box 4 Holes 50x50/80x50mm.

📥
Official Technical Datasheet (PDF) Complete electrical ratings, tripping characteristics, dimensions, and compliance specifications.
Request Official Datasheet (PDF)
📐
2D/3D CAD & Dimensional Drawings STEP, DXF, and PDF CAD drawing files for panel builders and switchgear designers.
Request CAD Model
Certified Standards: IEC 60898-1, IEC 60947-2, CE, RoHS, ISO 9001:2015
Manufacturer: Shanghai Newtrend Electric Co., Ltd. (Global Export Compliance)
Engineering Support: 24-hour response for custom voltage ratings, auxiliary contacts, and technical consulting.
Technical FAQ & Selection Guide

💡 Frequently Asked Technical Questions & Selection Guide

Pure engineering specifications, tripping curve parameters, and electrical selection guidance for panel builders and system designers.

Voltage & Load Sizing

How to verify rated operational voltage, frequency, and load duty cycle?

A

Verify that the nominal line voltage (AC 230V single-phase or 400V/415V/690V three-phase at 50/60Hz, or DC voltage ratings) falls within the continuous maximum operating limits of the device. Check duty cycle ratings (continuous vs intermittent duty) to ensure thermal stability under full load.

Protection & Environment

What ingress protection (IP Rating) and environmental enclosures are recommended?

A

For clean indoor electrical rooms, standard IP20 modular DIN-rail housings are recommended. For outdoor, industrial washdown, or dusty environments, mount components inside weatherproof enclosures rated IP65/IP66 with UV-resistant polycarbonate or powder-coated steel enclosures equipped with compression cable glands.

Selectivity & Grading

How to ensure upstream and downstream coordination in power distribution boards?

A

Ensure proper discrimination by grading current thresholds and tripping time delays: upstream devices should have higher current ratings and intentional short-time delays (Class S), allowing downstream branch MCBs to clear localized faults without blacking out the entire facility.

Installation & Mounting

What mounting rails, busbars, and spatial clearances are required?

A

Components mount on standard symmetrical 35mm DIN rail (EN 60715 / TH35-7.5) or backplate screw fixings. Maintain recommended top/bottom ventilation gaps (typically 30–50mm) to ensure unrestricted air convection, and use standard pin/fork comb busbars to minimize contact resistance and wiring errors.

Conductor & Torque Sizing

What conductor sizes and terminal tightening torques should be applied?

A

Select copper or aluminum conductor cross-sections complying with IEC 60364-5-52 current-carrying capacity tables based on continuous load. Always use a calibrated torque screwdriver or torque wrench to tighten terminal screws to the manufacturer-specified torque to prevent hot-spot degradation and loose connections.

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