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LoadSafe

LoadSafe

Product catalog summary

Overview: This document provides comprehensive technical information on load break and change-over switches manufactured by Katko, a Finnish company known for safety switches. It includes specifications, technical data, and standards compliance for various switch types, such as rotary and toggle load break switches, as well as disconnect and change-over switches.

Switches According to IEC 60 947-3: The document categorizes switches into mechanical switches, disconnectors, and switch disconnectors/load break switches. It explains utilization categories (AC-20A to AC-23Ae) and overvoltage protection, with most switches rated at 8kV impulse withstand voltage.

Technical Data: Specifications for load break switches range from 16A to 800A, detailing rated insulation voltage, thermal current, operational current, and short circuit capacities. It covers rotary (KU, VKA) and toggle (KUE, EVA) switches, emphasizing their electrical and mechanical endurance.

Load Break Switches: The document categorizes load break switches by current ratings, providing specific technical data for each. It includes installation, operational power, and endurance information, highlighting compliance with international standards like IEC 60 947-3 and UL 60947-4-1A.

Change-Over Switches: Specifications for change-over switches include current ratings and operational capabilities, along with dimensional drawings and accessory options.

Manufacturing and Quality: Katko emphasizes quality and environmental responsibility, manufacturing in Finland and Poland, adhering to ISO 9001 and ISO 14001 standards.

Conclusion: Katko's switches are designed for reliability and safety, suitable for various applications and environments. The document serves as a guide to understanding the specifications and capabilities of Katko's switches.

LoadSafe KU Series: Detailed technical specifications and accessory information for LoadSafe KU Series rotary switches, designed for industrial applications, are provided. These switches come in various configurations, including 3-pole to 8-pole versions, with options for DIN-rail mounting and modular design.

Specifications:

Switch Technology: Utilizes silver contacts for durability.
Poles: Standard 3-pole and 4-pole, with 2-pole available upon request.
Voltage and Current Ratings: Rated insulation voltage of 800V, with thermal current ratings from 16A to 250A.
Endurance: Electrical endurance of 3000 operations and mechanical endurance of 50,000 operations.

Accessories:

Handles: Compatible with LK10, LK11, and LK12 handles, available in black or yellow/red, with IP69K options.
Shafts: Various lengths and materials, including aluminum and steel.
Auxiliary Contacts: Options for 1NO/1NC and 2NO/2NC configurations.
Mounting Kits: Door mounting kits for different pole configurations and handle types.

Technical Data:

Load Break Switches: Specifications for load break switches from 16A to 250A, including rated operational power for 3-phase motors and short circuit capacities.
Cable Connectors: Recommendations based on cable cross-section, with specific connectors for aluminum and copper cables.

Recommendations:

Ensure accessory compatibility with specific switch configurations.
Use recommended cable connectors for optimal performance and safety.
Refer to the KATKO ConnectSafe Catalogue for additional information.

Product Specifications:

Handles: LKX150CO102 (Black, 1-0-2 positions), LKX150CO102YR (Yellow/Red, 1-0-2 positions).
Terminal Covers: LS800F (low model), LS800H (high model).
Phase Barrier: VS800 for all configurations.

Dimensional Drawings: Includes detailed dimensions for various KU and VKA models ranging from 16A to 800A, covering 3 to 8 pole configurations.

Conditions of Sale:

Validity: Subject to special stipulations by Katko.
Specifications: Goods quoted per Katko's specifications at order time.
Price: Subject to adjustments with two months' notice.
Delivery: Binding upon confirmation, ex-works Helsinki.
Force Majeure: No liability for delays due to uncontrollable events.
Payment: Full payment in Euro, interest on late payments.
Claims: Must be made within warranty period or 14 days of awareness.
Warranty: 12 months from delivery, limited to replacement or refund.
IPR and Confidentiality: Intellectual property rights remain with Katko.
Taxes: Exclusive of taxes, duties, fees in destination country.
No Waiver: Non-adherence does not waive conditions.
Governing Law: Finnish law, disputes settled by arbitration in Helsinki.
Orgalime S 2012: Applies unless otherwise agreed.

Contact Information: Ruosilantie 2, 00390 Helsinki, Finland. Tel: +358 (0)9 849 600. Website: www.katko.com. Email: [email protected].

Company Overview: Established in 1938, KATKO is a family-owned company exporting over 60% of its products to more than 40 countries.

Catalog excerpts

LOAD BREAK & CHANGE-OVER SWITCHES

Open the catalog to page 1

CONTENTS SWITCHES ACCORDING TO IEC 60 947-3 LOAD BREAK SWITCHES 16-800 A - GENERAL INFORMATION TECHNICAL DATA LOAD BREAK SWITCHES, ROTARY (KU) LOAD BREAK SWITCHES 16-40 A8 LOAD BREAK SWITCHES 16-125A (N)10 LOAD BREAK SWITCHES 100-160 A12 LOAD BREAK SWITCHES 200-250A & 160A (P)14 LOAD BREAK SWITCHES 315-400 A16 LOAD BREAK SWITCHES 630-800 A18 COMPACT LOAD BREAK SWITCHES, ROTARY (VKA) LOAD BREAK SWITCHES 200-250 A20 LOAD BREAK SWITCHES, TOGGLE (KUE & EVA) LOAD BREAK SWITCHES 16-125 A22 LOAD BREAK SWITCHES 125-250 A24 DISCONNECT SWITCHES UL DISCONNECT SWITCHES UL98 60-100 A DISCONNECT SWITCHES UL...

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SWITCHES WITHOUT COMPROMISES. Katko is a Finnish family business specialising in safety switches, load break switches and fused switches with more than 70 years of experience. Not all safety and load break switches on the market come from specialised manufacturers by any means, and that is precisely why we are so proud of ours. We design and manufacture every product ourselves in our own factories. The challenging Finnish climate creates a basis for developing switches that work in all conditions across the globe. Switches without compromises. This is what we at Katko think, as did the generations...

Open the catalog to page 3

Data subject to change without notice PROTECTION AGAINST OVERVOLTAGE A mechanical switching device capable of making, carrying and breaking currents under normal circuit conditions which may include specified operating overload conditions and also carrying for a specified time currents under specified abnormal circuit conditions such as those of short circuit. Note: A switch may be capable of making, but not breaking, short-circuit currents. Uimp (Impulse withstand voltage) defines the device’s use in abnormal network conditions with overvoltage due to lightning on overhead wires etc. This characteristic...

Open the catalog to page 4

Data subject to change without notice LOAD BREAK SWITCHES 16-800 A ROTARY AND TOGGLE SWITCHES General information: General installation and life-cycle manual The professional range of KATKO Load Break Switches consists of rotary and toggle switches. Types KU and VKA are rotary switches while KUE and EVA are toggle switches. The KATKO range is available from 16 A up to 800 A. Also 1000-3150 A is available on request. Katko’s general installation manual is available on Katko’s website at www.katko.com/terms-conditions. This manual contains important information about installation and maintenance...

Open the catalog to page 5

Data subject to change without notice TECHNICAL DATA LOAD BREAK SWITCHES LOAD BREAK SWITCHES Rated insulation voltage, Ui (V) Rated thermal current, Ith (A) Nominal values with cable size (mm²) Rated operational current, Ie (A) 400/415V AC-21A Rated operational power for 3-phase (1500 r.p.m.) squirrel cage induction motors (kW) Rated fused short circuit current Back-up fuse (A) R.M.S. value, Ik (kA) Impulse withstand voltage, Uimp (kV) Rated short circuit making capacity, Icm (kA) 690V Rated short time withstand current (1 s), Icw (kA) Rated breaking capacity, Icn (A) AC-23A Electrical endurance...

Open the catalog to page 6

Data subject to change without notice TECHNICAL DATA LOAD BREAK SWITCHES LOAD BREAK SWITCHES Rated thermal current, Ith (A) Nominal values with cable size (mm²) Rated insulation voltage, Ui (V) Rated operational current, Ie (A) AC-21A Rated operational power for 3-phase (1500 r.p.m.) squirrel cage induction motors (kW) 7.5 Back-up fuse (A) R.M.S. value, Ik (kA) AC-23A Rated fused short circuit current Impulse withstand voltage, Uimp (kV) Rated short circuit making capacity, Icm (kA) 690V Rated short time withstand current (1 s), Icw (kA) Rated breaking capacity, Icn (A) AC-23A Electrical endurance...

Open the catalog to page 7

Data subject to change without notice LOAD BREAK SWITCHES 16-40 A ROTARY SWITCHES LOADSAFE KU & RT SERIES DIN-rail or screw mounting 3-pole and 4-pole KU-switches as standard. 1 and 2-pole upon request Switch technology by means of silver contacts ensures safe and durable operation Compatible with handles LKX50 and LK10 RT version is suitable for door mounting and will be delivered with 42 mm shaft and LKX50 (black) or LKX50YR (yellow/red) handle KU 3 and 4 pole will be delivered with black direct handle NEW 16-40 A LOAD BREAK SWITCH MANUFACTURED IN HELSINKI, FINLAND SWITCHES Type Switch Type...

Open the catalog to page 8

Data subject to change without notice TECHNICAL DATA LOAD BREAK SWITCHES Rated insulation voltage, Ui (V) Rated thermal current, Ith (A) Nominal values with cable size (mm²) Rated operational current, Ie (A) 400/415V AC-21A 500V 690V 400/415V AC-22A 500V 690V 400/415V 500V AC-23A 690V 1000V Rated operational power for 3-phase (1500 r.p.m.) squirrel cage induction motors (kW) AC-23 Rated fused short circuit current Back-up fuse (A) R.M.S. value, Ik (kA) Peak value (kA) Impulse withstand voltage, Uimp (kV) Rated short circuit making capacity, Icm (kA) 690V Rated short time withstand current (1...

Open the catalog to page 9

Data subject to change without notice LOAD BREAK SWITCHES 16-80 A & 125A (N) ROTARY SWITCHES LOADSAFE KU SERIES DIN-rail mounting 3-pole and 4-pole KU-switches as standard. 2-pole upon request Switch technology by means of silver contacts ensures safe and durable operation 4-pole versions with early-make and late-break neutral pole Compatible with handles LK10 and LK11 Switch Type Load Break Switch Load Break Switch Load Break Switch Load Break Switch Load Break Switch Load Break Switch Load Break Switch Load Break Switch Load Break Switch Load Break Switch Load Break Switch Load Break Switch...

Open the catalog to page 10

Data subject to change without notice Attention! Cable connectors must be used with Al-cables. With Cu-cables cable connector usage is optional. Other connectors may be compatible, ask for more options. CABLE CONNECTORS - SUGGESTIONS PER CABLE CROSS SECTION 16 - 40 A, Al cable Terminal position Terminal cover Terminal cover Terminal position Terminal cover Terminal cover All connectors and more information available in KATKO ConnectSafe Catalogue. You will find it here: www.katko.com/downloads TECHNICAL DATA LOAD BREAK SWITCHES Rated insulation voltage, Ui (V) Rated thermal current, Ith (A) Nominal...

Open the catalog to page 11

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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