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LoadSafe Catalogue - Load Break and Change-Over Switches

LoadSafe Catalogue - Load Break and Change-Over Switches
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LoadSafe Catalogue - Load Break and Change-Over Switches

Product catalog summary
Overview: This document provides comprehensive technical specifications and configurations for load break and change-over switches manufactured by Katko, a Finnish company. It covers various types of switches, their technical data, installation guidelines, and compliance with international standards.
1. General Information: Katko offers load break switches ranging from 16A to 800A, with rotary and toggle mechanisms. These switches comply with IEC 60 947-3 standards and are designed for diverse operational conditions, emphasizing quality and environmental responsibility.
2. Technical Specifications: The document details technical data for different switch types, including rated insulation voltage, thermal current, operational current, and short circuit capacities. The switches are suitable for various utilization categories (AC-20A to AC-23A) and operational environments.
3. Load Break Switches: Load break switches are categorized by current ratings, with specific technical data for each category. It includes rotary switches (KU and VKA series) and toggle switches (KUE and EVA series), highlighting their operational capabilities and endurance.
4. Change-Over Switches: Specifications for change-over switches detail their current ratings and operational parameters, designed to facilitate transitions between power sources.
5. Standards and Compliance: Katko switches comply with international standards such as IEC 60 947, UL 60947-4-1A, and have certifications including CCA, CB, and Lloyd’s Register, emphasizing safety and reliability.
6. Installation and Environmental Considerations: Recommended installation environments specify an ambient temperature range of -40°C to +60°C, with guidance on potential derating in higher temperatures and installation practices.
7. Accessories and Additional Components: A range of accessories is available, including handles, shafts, and auxiliary contacts, enhancing functionality and adaptability for various applications.
Conclusion: Katko's switches are robust, versatile, and compliant with international standards, suitable for a wide range of industrial applications. The document provides comprehensive technical data and guidelines for proper selection and installation.
Additional Information: The document notes that data is subject to change without notice and references the KATKO ConnectSafe Catalogue for further details on connectors and accessories.
Conditions of Sale: Conditions include price adjustments, delivery terms, force majeure, payment terms, warranty, and governing law, with disputes settled by arbitration in Helsinki.
Contact Information: Katko's contact details are provided for further inquiries.
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Catalog excerpts

LoadSafe Catalogue - Load Break and Change-Over Switches-1

LOAD BREAK & CHANGE-OVER SWITCHES

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LoadSafe Catalogue - Load Break and Change-Over Switches-2

0 Load Safe CONTENTS SWITCHES ACCORDING TO IEC 60 947-3 4 LOAD BREAK SWITCHES 16-800 A - GENERAL INFORMATION 5 LOAD BREAK SWITCHES, ROTARY (KU) LOAD BREAK SWITCHES 16-40 A 8 LOAD BREAK SWITCHES 16-125A (N) 10 LOAD BREAK SWITCHES 100-160 A 12 LOAD BREAK SWITCHES 200-250A & 160A (P) 14 LOAD BREAK SWITCHES 315-400 A 16 LOAD BREAK SWITCHES 630-800 A 18 COMPACT LOAD BREAK SWITCHES, ROTARY (VKA) LOAD BREAK SWITCHES 200-250 A 20 LOAD BREAK SWITCHES, TOGGLE (KUE & EVA) LOAD BREAK SWITCHES 16-125 A 22 LOAD BREAK SWITCHES 125-250 A 24 DISCONNECT SWITCHES UL DISCONNECT SWITCHES UL98 60-100 A 26 DIMENSIONAL...

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LoadSafe Catalogue - Load Break and Change-Over Switches-3

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...

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LoadSafe Catalogue - Load Break and Change-Over Switches-4

Data subject to change without notice © Load Safe SWITCHES ACCORDING TO IEC 60 947-3 SWITCH 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...

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LoadSafe Catalogue - Load Break and Change-Over Switches-5

Data subject to change without notice Data subject to change without notice KATKO 0 Load Safe General information: LOAD BREAK SWITCHES 16-800 A ROTARY AND TOGGLE SWITCHES General installation and life-cycle manual The professional range of KATKO Load Break Switches consists Katko’s general installation manual is available on Katko’s of rotary and toggle switches. Types KU and VKA are rotary website at www.katko.com/terms-conditions. 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. This manual contains...

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LoadSafe Catalogue - Load Break and Change-Over Switches-6

Data subject to change without notice © Load Safe TECHNICAL DATA LOAD BREAK SWITCHES LOAD BREAK SWITCHES r.p.m.) squirrel cage induction motors (kW) 400/415V AC-23A 500V 690V 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 s), Icw (kA) 690V Rated breaking capacity, Icn (A)_ 690V Electrical endurance (number of operations) Mechanical endurance (number of operations) Terminals / Bolt size Cu (mm2) Max terminal torque (Nm) * 415 V...

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LoadSafe Catalogue - Load Break and Change-Over Switches-7

Data subject to change without notice © Load Safe TECHNICAL DATA LOAD BREAK SWITCHES KUETOGGLE LBS 16A 25A 40A 63A 80A 690V 1000V Rated operational power for 3-phase (1500 r.p.m.) squirrel cage induction motors (kW) 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 s), Icw (kA) 690V _Rated breaking capacity, Icn (A) 400/415V 500V AC-23A 690V Electrical endurance (number of operations) Mechanical endurance (number of operations) Terminals / Bolt size Cu (mm2) Max...

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LoadSafe Catalogue - Load Break and Change-Over Switches-8

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 Switch Type Load...

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LoadSafe Catalogue - Load Break and Change-Over Switches-9

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...

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LoadSafe Catalogue - Load Break and Change-Over Switches-10

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 anddurable operation • Compatible with handles LK10 and LK11SWITCHES EAN OKAKULK10 Door mounting kit Black, for 3P switch, with LK10 handle 3-pole 6419410224656 3600268 OKAKULK10YR Door mounting kit Yellow/red, for 3P switch, with LK10 handle 3-pole 6419410224663 3600269 OKAKU4PLK10 Door mounting kit Black, for 4P switch, with LK10 handle 4-pole...

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LoadSafe Catalogue - Load Break and Change-Over Switches-11

Data subject to change without notice © Load Safe 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 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, U. (V) Rated thermal current, L (A) 6 AND 8-POLE CONFIGURATIONS • For a 6 or 8 -pole configuration 2 x 3 or 4-pole KU switches 1 x Parallel kit:...

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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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