hager KEB734M1 Unibar M Empty Tap-Off Box Instruction Manual
- October 30, 2023
- hager
Table of Contents
hager KEB734M1 Unibar M Empty Tap-Off Box
Product Information
The product is a Unibar M, which is a type of electrical device used in power distribution systems. It is designed to meet IEC/EN 61439-1 and IEC/EN 61439-6 safety standards. The product has a main circuit with a rated operating voltage (Ue), rated frequency range (fn), conditional rated short-circuit current (Icc), size of the tap-off box (ISize), rated current (Inc), and max rated current of the fuse-link (Imax). The product also has specific markings for assembly (DBO) as specified in IEC/EN 61539-1 clause 6.1.
Product Usage
- The Unibar M is intended for use by qualified installers in accordance with the installation norms, directives, conditions, and safety regulations specific to their country. It is important not to exceed any of the maximum values specified for the product. The product should be installed according to the provided assembly instructions to avoid damage, fire, or other hazards. The customer should keep the instruction manual as a part of the product.
- When using the Unibar M, it is important to be aware of the safety information provided in the manual. Electric shock can occur when live parts are touched, and this can lead to death. The product has specific markings for assembly (DBO) that must be completed as specified in IEC/EN 61539 – 1 clause 6.1.
- The Unibar M has specific specifications on the type label for its main circuit, including its rated operating voltage (Ue), rated frequency range (fn), conditional rated short-circuit current (Icc), size of the tap-off box (ISize), rated current (Inc), and max rated current of the fuse-link (Imax).
- The product is intended for use with MCCB H3+ P400.
- The Unibar M comes with specific markings that must be completed as specified in IEC/EN 61439-1 clause 6.1. The product also has specific torque values for its SW10 and T27 screws, which should be tightened to 5 Nm and 8 Nm, respectively. The product should be installed according to the provided assembly instructions to avoid damage, fire, or other hazards.
Empty tap-off box, size 4, for MCCB
Safety Information
- Electrical devices may only be installed and assembled by a qualified electrician in accordance with the relevant installation standards, guidelines, regulations, directives, safety and accident prevention regulations of the country.
- Always comply with the warning information on the device!
- Do not exceed any approved maximum values.
- Observe the mounting instructions of the installed devices.
- The tap-off box may not be used to supply energy into the busbar system (IEC 61439-6).
- Failure to comply with these installation instructions may result in damage to the device, fire or other hazards.
- These instructions are an integral component of the product and must be retained by the end user
DANGER!
- Electric shock when live parts are touched! An electric shock can lead to death!
- Isolate all connection cables before working on the device and cover any live parts in the area!
- Disconnect all the parts of the busbar system which have an electrical connection to the empty outlet box from it.
Details on the type label
Main circuit:
- Ue Rated operating voltage
- fn Rated frequency range
- Icc Conditional rated short-circuit current
- ISize Size, tap-off box
- Inc Rated current (for MCCB: Value of the overload trigger)
- Imax Max. rated current of the fuse-link
TOOLS REQUIRED
WHAT IN BOX
INSTALLATION
N rail only with 3-pin MCCB
Shorten the phase barrier fields (not in scope of delivery) and use for the
incoming side
The Assembly (DBO) designated markings must be completed as specified in
IEC/EN 61539 – 1 clause 6.1
- MCCB was used during the test according to 61439 – 6 Para. 10.10.2. For conversion to other MCCBs of the same series, see uni bar M technical handbook.
- Ambient temperature during test according to 61439 – 6 Para. 10.10.2.
- Intended for MCCB H3+ P400
T +49 6842 945 0
F +49 6842 945 4625
info@hager.com
hager.com
03.2023
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