Power distribution terminal block | for wire | cable connection | Al: 145A 6–50mm² | Cu: 160A 2.5–50mm² | DIN rail mounting | grey | IP20 | IEK | YZN12-050-K03 | 4606056504101

Technical specifications

Manufacturer: IEK
Product type: power distribution terminal block
Purpose: for connecting, distributing and routing wires and cables into a distribution board
Mounting type: on a standard 35 mm DIN rail
Colour: grey
Number of poles: 1
Number of screw terminals per pole: 2
Connection point: side / cross connection
Housing material: polyamide
Housing insulating material: polyamide
Clamping material: aluminium
Conductor material: aluminium
Rated operating voltage: up to 800 V
Rated insulation voltage Ui: 800 V
Rated AC operating voltage Ue: ≤ 800 V
Rated DC operating voltage Ue: ≤ 800 V
Rated current for copper conductors Cu: 160 A
Rated current for aluminium conductors Al: 145 A
Rated connection capacity Cu: 2.5–50 mm²
Rated connection capacity Al: 6–50 mm²
Cross-section of stranded flexible wire: 6–50 mm²
Cross-section of solid rigid wire: 6–50 mm²
Tightening torque: 4 Nm for 2.5–4 mm² conductors; 12 Nm for 6–50 mm² conductors
Rated frequency: 50 Hz
Operating temperature: from -40 °C to +85 °C
Degree of protection: IP20
Height: 51 mm
Length: 51 mm
Width: 17.5 mm

Functions

Power distribution in the panel – allows electrical power to be neatly distributed between circuits in a distribution board
Wire and cable connection – designed for connecting copper and aluminium conductors to a common distribution point
Suitable for Cu conductors – copper wires from 2.5 to 50 mm² can be connected, with a rated current of up to 160 A
Suitable for Al conductors – aluminium wires from 6 to 50 mm² can be connected, with a rated current of up to 145 A
DIN rail mounting – quickly and conveniently mounted on a standard 35 mm DIN rail
Side conductor connection – wires are connected from the side, making it easier to route cables neatly inside the panel
Screw clamping – conductors are secured with screws, ensuring a firm and stable contact
Operation in AC and DC circuits – can be used in both alternating current and direct current systems up to 800 V
Compact housing – only 17.5 mm wide, helping to save space in the electrical panel
Protection against accidental contact – IP20 protection class is suitable for installation inside a closed electrical panel
Temperature resistance – can operate within a wide temperature range from -40 °C to +85 °C

Use

For household users: This terminal block can be useful when electrical power needs to be neatly distributed in a home distribution board, garage, workshop or utility building. It helps avoid messy wire connections and allows electrical circuits to be arranged more professionally.

For electricians: A practical solution when incoming or distribution cables need to be connected quickly and reliably. DIN rail mounting, clearly defined conductor cross-sections and specified tightening torques help ensure neat and technically correct installation.

For engineers / designers: When designing electrical panels, this terminal block is useful due to its clear parameters: 800 V operating voltage, Cu up to 160 A, Al up to 145 A, IP20 protection and an operating temperature range of -40...+85 °C. This makes it suitable for inclusion in distribution, control or automation panel solutions.

For industrial and commercial users: Suitable for use in production facilities, warehouses, technical areas and commercial buildings where reliable electrical distribution inside a panel is required. Due to its high current and voltage ratings, the terminal block can be used in higher-load circuits.

Advantages

Suitable for copper and aluminium conductors
Rated current up to 160 A for Cu and 145 A for Al
Operating voltage up to 800 V AC/DC
Mounted on a standard 35 mm DIN rail
Compact 17.5 mm wide housing
Resistant to a wide temperature range: -40...+85 °C
Suitable for distribution boards, control cabinets and incoming circuits

Disadvantages

IP20 degree of protection, therefore it must be installed only in a suitable electrical panel or protected enclosure
Not suitable for direct outdoor installation without additional protection

FAQ

Is this terminal block suitable for aluminium wires?

Yes, the terminal block is suitable for aluminium conductors from 6 to 50 mm². The rated current when using Al conductors is up to 145 A.

Can copper wires be connected?

Yes, copper conductors from 2.5 to 50 mm² can be connected. When using Cu conductors, the rated current reaches up to 160 A.

Where is this power distribution terminal block mounted?

The terminal block is mounted on a standard 35 mm DIN rail in a distribution board, electrical cabinet or control panel.

Does this terminal block protect against short circuits or overloads?

No. This is not a circuit breaker or fuse. The terminal block is intended for wire connection and power distribution. Suitable circuit breakers, fuses or other protective devices must be used for circuit protection.