Low voltage INSTAL-BLOK type switchgears

The INSTAL-BLOK indoor cabinet system manufactured by ZPUE S.A. is a state of the art, modular solution based on a framework design with maintenance-free bolt fasteners, which enable simple and flexible installation of low voltage controlgear, switchgear and protection devices and other accessories in order to meet power engineering, industrial automation and other industry needs.

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Low voltage INSTAL-BLOK type switchgears

Low voltage INSTAL-BLOK type switchgears


The INSTAL-BLOK indoor cabinet system manufactured by ZPUE S.A. is a state of the art, modular solution based on a framework design with maintenance-free bolt fasteners, which enable simple and flexible installation of low voltage controlgear, switchgear and protection devices and other accessories in order to meet power engineering, industrial automation and other industry needs.

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Description:

Compliance with standards

The INSTAL-BLOK type switchgear meets the requirements of the following standards:

  • PN-EN 61439-1 - „Low-voltage switchgear and controlgear assemblies. General rules”,
  • PN-EN 60529 - „Degrees of protection provided by enclosures (IP Code)”,
  • PN-EN 62262 - „Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)”.
Electrical data:
Rated insulation voltage 690 V / 1000 V AC1)
up to 1500 V DC
Rated connection voltage 400 V / 500 V / 690 V AC2)
up to 1200 V DC
Test impulse withstand voltage 8 kV
Rated frequency 50 Hz
Rated current of the switchgear from 250 up to 1600 A3)
Rated short-time withstand current up to 30 kA (1s)
Rated peak withstand current up to 63 kA

1) Up to 1500 V AC in custom design.
2) Up to 1000 V AC in custom design.
3) Other design technology to be agreed with the manufacturer.


Mechanical data:
Dimensions Width - from 400 to 1200 mm
Height - from 1000 to 2000 mm
Depth - from 400 to 1000 mm
IP protection rating from IP20 to IP66
IK protection rating up to IK 10
Surface protection Framework: 1.5 mm Aluzinc or painted steel sheet
in special design from stainless steel
Covers: 1.5 mm Aluzinc or painted steel sheet
in special design from stainless steel
- Front panels: plastic
Powder painting

standard - RAL 7035
other colours on request

Plastic components Halogen-free, self-extinguishing,
fire-resistant, CFC-free

Service conditions:
Ambient temperature
- Lower limit of ambient temperature
- Upper limit of ambient temperature
- Average daily temperatures over 24 hours
Ambient temperature
-5°C (- 25°C)4)
+40°C
-5°C up to +35°C
Relative humidity up to 50% (at a temp. 40°C)
Installation altitude up to 1000 m a.s.l.
Atmosphere at the installation place free from chemically aggressive and conducting dust,
fumes and gases

4) Depending on the devices used.

At the customer's request it is possible to design a switchgear adapted to other conditions.