Katko ConnectSafe terminal blocks provide safe and reliable electrical connections for demanding industrial and building applications. Suitable for both copper and aluminum conductors, they are available with screw and DIN-rail mounting options, enabling fast and easy installation. Their robust construction and clear design ensure long service life and trouble-free operation. ConnectSafe terminals meet high industry standards and international approvals, delivering dependable performance for professional use.
Technical data
Al (mm²)
2,5-50
Cu (mm²)
2,5-50
Depth
41.5 mm
ETIM Class
EC000897
E-number FI
1942136
GTIN
6419410205624
Height
59.5 mm
In Al
160.0
In Cu
160.0
Key size
Hex 5
Net weight
0.1449 kg
Nominal voltage
1000V AC / 1500V DC
Product type
KL3X1X50N
Short product description
Terminal block KL 3x1xAl/Cu 2,5-50mm2 Blue
Torque Al/Cu (Nm)
5 (2,5 - 16 mm²) / 10 (25 - 50 mm²)
Volume
0.1198 l
Width
48.5 mm
Dimensional drawing
Logistical data
Package size 1
10
Package size 1 GTIN code
6419410205624
Package size 1 weight
0.1449 kg
Downloadables
- Dimensional drawings media (ConnectSafe_KL3X1X50_Dim.png)
- Brochures (Katko ConnectSafe Catalogue - Terminal Blocks and Cable Connectors EN)
- Brochures (Katko ConnectSafe Tuoteluettelo - Liittimet ja Kojeliittimet FI)
- STEP files (ConnectSafe_KL3X50N_KL3X1X50N.zip)
- Installation manuals (KATKO_ConnectSafe_KL_range_installation_manual_79_en.pdf)
- Installation manuals (KATKO_ConnectSafe_KL_range_installation_manual_79_fi.pdf)
Latest News & Insights
-
We Are Hiring: Area Sales Manager (Finland & Baltics)
February 17, 2026 -
The Core of Responsible and Transparent Collaboration – Partner Code of Conduct
February 06, 2025 -
Product Update: Extended Cable Range for 95-Series Connectors
October 30, 2025 -
Jyrki Luomi has been appointed as the Commercial Director of Katko Oy
September 17, 2024 -
New Front Plate for KU 16–40A Switch Series
August 26, 2025 -
KATKO Strengthens Presence in UK: Ian Bullock Appointed Sales Director
November 10, 2025 -
KATKO Strengthens Presence in Sweden: Kim Rannanjärvi Appointed Sales Manager
July 28, 2025 -
Katko Products Available on EPLAN Data Portal
September 14, 2023 -
KATKO LoadSafe Product Family – New Additions, Now Available
January 14, 2025 -
KATKO KL Terminal Blocks Comply with the Requirements of the IEC TS 60947-7-5 Technical Specification
April 29, 2025 -
KATKO Has Published Its First 'Sustainability at KATKO' Report
November 08, 2024 -
Katko and Solar Group Enter Strategic Partnership to Strengthen Nordic Market Presence
February 11, 2026 -
IsoSafe KSM series upgraded – now with better performance and easier installation
March 05, 2026 -
Introducing the Refreshed LK10 handle: New Fresh Design, Same Trusted Performance
September 02, 2024 -
We Are Hiring: Technical Sales Support Specialist
March 11, 2026 -
Discontinuation of 3-pole EVA and VKA 80–160A Switches
June 23, 2025
