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Palazzoli 511921EX Palazzoli 511921EX — Junction boxes in aluminium alloy with blind walls and back plate IP66 zone 1-2 (GAS) and 21-22 (DUST)
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Palazzoli

511921EX

Palazzoli 511921EX — Junction boxes in aluminium alloy with blind walls and back plate IP66 zone 1-2 (GAS) and 21-22 (DUST)

The Palazzoli part number 511921EX is a wall-mounting junction box constructed from aluminum alloy with blind walls, a back plate, and a blind cover, featuring overall dimensions of 252x185x145 mm and a net weight of 2.18 kg. This enclosure undergoes fluorozirconic passivation and is finished with an anti-UV non-toxic polyester paint cured in an oven, providing IP66 protection, IK10 shock resistance according to IEC/EN 62262, and a C4 corrosivity category rating per ISO 12944 for hazardous zones 1-2 (Gas) and 21-22 (Dust). The unit offers a dissipable power of 42W and a box height of 117 mm. Submit the exact part number, quantity, and application requirements for a formal quote.

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Manufacturer
Palazzoli
Part number
511921EX
Product series
Junction boxes in aluminium alloy with blind walls and back plate IP66 zone 1-2 (GAS) and 21-22 (DUST)
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 511921EX.
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Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Product Family
Junction boxes in aluminium alloy with blind walls and back plate IP66 zone 1-2 (GAS) and 21-22 (DUST)
Dimensions
252X185X145 mm
Dissipable Power
42W
Code
511921EX
Net weight
2.18KG
Min order quantity
1
EAN Code
8014950015696
Gross Weight
2.18KG
Dimensions (HWD)
190x250x150
Surface finishing
Non-toxic polyester paint anti UV curing in the oven
Treatment type
Fluorozirconic passivation
Direct output
-
Type of protection
None
Shock resistance
IK10 according to IEC/EN 62262
Corrosivity category
C4 (ISO 12944)
IP Protection degree
IP66
Manufacturing material
Aluminum alloy
Height Box
117mm
Execution
Wall mounting
Cover type
Blind
Outfit
With mounting plates
Insulation Class
I
Terminals type
None
Cover height
59mm
Colour
Black RAL 9005
Internal dimensions
-
Protection fusibile
-
Storage room temperature MIN
-
Storage room temperature MAX
-
Standards and Directives
EN 62208:2011; EN IEC 60670-1:2021; EN IEC 60670-1:2021/A11:2021; EN 60670-22:2006; EN 60670-22:2006/A1:2024; EN 60670-22:2006/A11:2024; EN IEC 60079-0:2018; EN 60079-7:2015; EN 60079-7:2015/A1:2018; EN 60079-31:2014; 2014/34/EU (ATEX)

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Palazzoli 511921EX. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.