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MCBs 10kA D curve

To protect against overloads and short circuits, control and isolation of high in-rush loads, such as motors, transformers, UPS, welding equipment, electronic / IT equipment with high surge current, etc, in commercial and industrial electrical distribution systems. Available from 0.5A to 63A, 10KA, in 1P, 2P, 3P and 4P.

Main technical data

  • Rating from 0.5 to 63A
  • Standard 35mm DIN rail mounting
  • Conformity and approval with national and international standard

Load switch

The switch control function allows system operating personnel to modify a loaded system at any moment, according to requirements:

  • Functional switching
  • Emergency switching
  • Switching OFF for mechanical maintenance

Reduction of temperature rise in the product

The new design of this product made it possible to reduce globally:

  • Various impedances which constitutes the product
  • Power loss by each pole
For example, a product 63A in 4 pole, will reduce the temperature rise of 20%. That means that the global temperature in the enclosure will be lower with this new range.

A more significant limitation capability of short circuit current

The limitation capability of a MCB is an internal characteristic which makes it possible to open the circuit before the short circuit current reaches its prospective maximum value.

A MCB with a better current limitation capability provides several advantages:

  • To reduce the thermal effects in the cable i.e increase life span of cables
  • To reduce the mechanical effects and electrodynamics forces on the different contacts
  • To reduce the electromagnetic effects which can be harmful to sensitive equipment / loads.

Advantages

Installation

Mounting on Din rail EN 50.022-35.
Incoming supply can be fed either from the top or bottom terminal.
The state of isolation is clearly indicated by the "OFF" mechanical position on the toggle with the green colour.
Mounting:
Din rail EN 50.022-35
Supply:
Feed either top or bottom
Connection capacity:
Rigid conductor: 35mm˛
Flexible conductor: 25mm˛

On the bottom, there is a bi-connect terminal for both cable and busbar connection.
Tightening torque:
4 Nm nominal with Screw head pozidrive size 2 and slot 6 mm
6 Nm nominal with Screw head pozidrive size 2 and slot 6 mm
Type of cable:
Copper
Sealable:
The locking kit allows locking MCB in the "OFF" and "ON" position.
The locking kit is sealable.

The MCB can be lock in the "OFF" and "ON" position with max. diam. 1,5mm leading wire.
Flag indicator:
The state of isolation is clearly indicated by the "OFF" mechanical position on the toggle with the green colour.
Installation altitude:
2000 meters max.
Working position:
Product performances not affected if installed vertically, horizontally or flat.
Din clip type:
Plastic Din clips on the Top & Bottom
Auxiliaries:
Yes