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Distribution blocks OJL


Universal distribution blocks for copper and aluminium

Distribution blocks OJL are intended for distributing conductors with larger cross section to several smaller ones. These blocks are provided in 6 standard designs with a nominal connecting cross section of 70 mm² AL/CU (6 outputs for copper cable), 120 mm² AL/CU (11 outputs for copper cable) and 240 mm² AL/CU (7 outputs for copper cable). AF and AFS models are designed for connecting (input) of flexibars 10 x 25 mm or several bars of 1 x 25 mm.

The screws are tightened by a hexagonal key. Blocks can be installed on a standard DIN rail or can be mounted using screws on a flat solid surface. Maximum operating temperature is 80 °C. Cover sealing is possible in models AS and AFS. Housing for all design types has a protection class IP20.


Certification and product safety

Morek distribution blocks OJL are tested and certified by following standards:
EN 60947-7-1:2009 „Low-voltage switchgear and control gear – Part 7-1: Ancillary equipment – Terminal blocks for copper conductors“
EN 61238-1:2003 „Compression and mechanical connectors for power cables for rated voltages up to 30 kV (Um = 36 kV) – Part 1: Test methods and requirements“
All connectors used inside switchgears or similar appliances must fulfil these requirements.


EN 61238-1:2003 for copper and aluminium cables are divided into two classes.

Class A (heat cycle and short-circuit tested) – These are connectors intended for electricity distribution or industrial networks in which they can be subjected to short-circuits of relatively high intensity and duration. Therefore, Class A connectors are suitable for most applications. Class B (heat cycle tests only, not short-circuit tested) – These are connectors for networks in which overloads or short-circuits are rapidly cleared by the installed protective devices, e.g. fast-acting fuses.

Morek distribution blocks OJL are tested and certified class A connectors.

For choosing safe and reliable connector, always make sure that the terminal is equipped with CE and Class A markings with the symbol of certifying institute, for example FI -mark.


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