- About us
- Company details
Graziadio & C. is an Italian company with decades of experience in the production of Power, Distribution and Lighting busbars from 25 A up to 6300 A, up to IP68, with AL and CU conductors and aluminium housing. Graziadio & C. chooses for all the range, the aluminium housing for its qualities: light weight, good heat dissipation, high corrosion resistance, conductivity and modern look.
The simplicity of the approach and the dynamic adaptation to the demands of the market, national and international, allow the creation of products that best provide solutions to the installations in terms of distribution and transport of electricity.
The purpose is to create high performance products through continuous improvement utilizing the latest best practice and skill. Equally important, is to provide outstanding customer service before, during and after the point of sale.
The Quality of the supplied products and the continuous attention to the customer makes Graziadio a witness to the prestige of “Made in Italy” in the world.
Year of establishment:
1959
Number of employees:
FROM 20 TO 49 EMPLOYEES
Annual turnover:
between 5 and 15 million Euro
Reference year of turnover:
2024
Export turnover:
From 5 to 15 million Euro
Activities:
Manufacture of electricity distribution and control apparatus
Electrical installation
- Contact Information
- Business Proposals
Company:
GRAZIADIO & C. S.P.A.
Web site:
Address:
VIA PELLICE 75
City:
RIVOLI (TO)
Zip Code:
10098
E-commerce:
Social media:
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K SERIES 800-5000 A Power and Distribution Busbars

K SERIES busbars are available from 800 A up to 5000 A and are appropriated for power transportation and distribution in commercial and industrial buildings even in restricted spaces. This Busbar trunking system is compact and can be installed edgewise, flat or vertically. K SERIES busbars can be supplied with aluminum or copper conductors. The conductors are insulated with suitably pre-shaped, self-extinguishing V TM-0 halogen free polyester double film, in thermal class F complying with EN 60695-2 -10. The standard protection degree is IP42 and can be increased up to IP55. The aluminum housing provides protection and mechanical seal of the conductors. The matte black painting increase the heat dissipation along the line. The standard length of the straight element is 4 meters to minimize the number of joints and in consequence the installation time. On request can be supplied any other custom size.
Straight elements length 4 m, the customized lengths are available on request
Monobloc joint with predefined breaking
Distance between plug-in points 1 m
Tap off boxes from 32 up to 1600 A: plug-in type 32 – 400 A GDA series, bolted type 630 – 1600 A dedicated for K SERIES
Energized line’s live parts are not accessibles.
High resistance to short circuit
Protection degree up to IP55 (IP65 on request)
Custom made elements T, Z.
Fire barriers with fire resistance up to 120 minutes
Housing available in 8 different colors
Accessories to connect to transformers, generators, electric panels
Advantages: corrosion resistance, reliable monobloc joint, high thermal dissipation, lightness, multiple customizations, reusable and recyclable.
ISOLSBARRA 630 – 6300 A Power Busbars

ISOLSBARRA is a high power, prefabricated busbar system with insulated conductors, from 630 A to 6300 A, for both indoor and outdoor use with a protection degree ranging from IP42 – IP68. Like K series and GDA power busbar, Isolbarra can be supplied with either copper or aluminium conductors.
The conductors are individually insulated and protected by a strong PVC sheath, but this sheathing can be changed to fibreglass on request. Isolsbarra is supplied in standard 4m lengths in order to minimise the number of joints and therefore the installation time.
We can supply any lenght on request.
Execution: 3P + PE; 4P + PE; 5P + PE; N = 50% -100% -200%
Item Length: 4 m and any customized length
Distance between plug-in points: 1 m / 0.5 m
Tap off boxes: from 100 to 1250 A (lightweight, robust and design)
Types of insulation: Fiberglass (Class H – 180 ° C), PVC (Class Y), Air
Live parts not accessible with line in operation
Protection degree: from IP30 to IP66; IP68
Possibility of connecting elements with different degrees of IP at any time
Types of Insulation: Fiberglass (H Class – 180°C), PVC (Y Class), Air
High short-circuit resistance
Possibility to create bespoke items, T, Z.
Fire barriers with fire resistance up to 3 hours
Live parts not accessibles
Advantages: corrosion resistant; long life joint; fast and easy assembly; high thermal dissipation; low weight; reusable and recyclable
GDA 63 – 2500 A Distribution Busbars

GDA busbars with aluminum or copper conductors, available from 63 A to 2500 A, are ideal for use in factories, factories and many other sectors where it is necessary to provide junction outputs, or where flexibility is required in moving machinery without additional costs. installation. Quick and easy compared to the cable system. The GDA bus duct lines can also be installed vertically: the bars are installed through the floor and, for each floor, there is a branch that feeds the panels. The range of tap off boxes starts from 32 up to 1250 A.
Monoblock junction
Configurations: 4P + PE; 5P + PE
Length of the elements: 4 m and any customized length
Distance between plug-in points: 1 m / 0.5 m
Use in same moment of opposite side plug-in points
Tap off boxes: 32 to 1250 A (light, robust and design)
Degree of protection: up to IP55
Live parts not accessibles
Advantages: corrosion resistance; fast and easy to assembly; high thermal dissipation; lightness; reusable and recyclable, high heat dissipation that allows installation in environments with little air circulation.
J SERIES 63 – 100 – 160 A Distribution Busbars

J SERIES busbars with aluminium or copper conductors are available with ratings 63 – 100 and 160 A, in 5P execution with dedicated PE. The ideal product for use in all fields where is necessary to supply low power energy with plug-in points. The tap off boxes, availables in 32 A and 63 A, can be easily removed or moved, allowing more flexibility and lower installation costs. Easy and fast compared to the cable system.
Configurations: 5P
Item Length: 3 m e 1 m
Distance between plug-in points: 1 m / 0,5 m
Tap off boxes: 32 A – 63 A with fuse base or prefitted for modular circuit breaker 4-8-12-16 modules (lightweight, robust and design)
Protection degree: up to IP55
Live parts not accessibles
Advantages: corrosion resistance; fast and easy to mount; high heat dissipation; light weight and small size; reusable and recyclable; double omega profile with reinforcing ribs; fast mounting joint.
GLS 25 – 40 – 63 A Lighting Busbar

GLS Lighting Busbar is ideal for use in warehouses, retail outlets, industrial buildings, hospitals and similar locations. The electrical lighting distribution system is typically used when a fast, flexible, and economical installation is required. All the components of the GLS lighting busbar trunking system are simply plug together. The taps off unit can be quickly removed and moved, this makes it a far more flexible and low-cost option in comparison to trunking and cable lighting methods. Advantages: corrosion resistant; easy and fast mounting; minimal dimensions; low weight; plug in points only in front; reusable and recyclable.
Configurations: 2P+PE; 4P+PE; 2P+2P+PE; 6P+PE; 8P+PE
Item Length: 3 m e 1 m
Distance between plug-in points: 1 m / 0,5 m
Possibility transport signal DALI
Tap off boxes: from 10 to 32 A (lightweight, robust and design)
Protection degree: up to IP55
Live parts not accessibles