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As important accessories, these busbars are intended for mutual inteconnection of several circuit breakers, switches and protective switches. These are the copper interconnecting "reed" busbars with insulation. The contacts (reeds) are located at the busbar edges. This solution enables mutual interconnection of two busbars whereby the transmission load rating is doubled.
The advantages of the reed busbars consist mainly in the fact that the reed presses with the pressure (second) area of the terminal onto the conductor, thus it limits to the minimum any possible contact resistances, caused by insufficient transmission area at the forked busbars (the reeds can distend to sides, when being tightened). The connection cannot "burn-out" and the interconnecting circuit breakers and protective switches cannot be damaged
The contact´s (reed) dimensions are 4x12 mm, the busbar cross-section is 16 mm2 and current load capacity with power supply away from the busbar edge is 80 A, with two interconnected busbars up to 160 A; if the power supply is in the centre of the busbar, the current load rating amounts to 130 A, with two interconnected busbars up to 260 A.
Technical information |
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Number of poles | 1,2,3,4 |
Length supplied | 1 m |
Loading current | 80 A |
Material of the busbar | copper(E-CU - F25) |
Material of the insulation | self-distinguishing ABS - VO (PC/ABS -Biend UL 94 - VO) |
It is in compliance with the following standards | DIN EN 60 439-1: 1994 and VDE 0660, part 500 |
Short.-circuit resistance | 25 kA |
Busbar cross-section | 16 mm2 |
Dimensions of the reed | 4 x 12 mm |
Insulation resistance of the insulation | 36kV/ mm |
Mechanical ruggedness of the insulation in compliance with the standard | IEC 68 -2 |
Nominal voltage | 415 V |
Operative voltage | max. 500 V |
Maximum load | 4 kV |
Table with the parameters of ampere-loading of the interconnecting busbars as to different cross-sections, power supply varieties and with interconnection of two busbars
Parameters of ampere-loading of the interconnecting busbars |
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1 phase /two interconnected busbars | with 2,3 a 4 phases/two interconnecting busbars | ||||||||||
intercon. busbar cross-section in mm2 | 10 | 12 | 16 | 20 | 25 | 36 | 10 | 16 | 25 | 36 | |
power supply from the stip edge away max. current Is = A | 63/126 | 65/130 | 80/160 | 90/180 | 100/200 | 130/260 | 63/126 | 80/160 | 100/200 | 130/260 | |
power supply in the middle of the busbar maximum current Is = A |
100/200 | 110/220 | 130/260 | 150/300 | 180/360 | 220/440 | 100/200 | 130/260 | 180/360 | 220/440 |
Range of goods of the interconnecting busbars for circuit breakers and protective switches | |||||
Order Code |
Description |
Loading rating A |
Units m(pcs/ cross-section mm2 |
Basic price CZK/pce |
Packing |
07 - 0002 |
Copper interconnecting busbar, 1-pole, with contacts at busbar edges. There are 57 contacts with pitch 17,8 mm per 1 m | 85 / 170 | 1 m / 16mm2 | 138,00 | 1 pce |
07 - 0004 | Copper interconnecting busbar, 2-poles | 85 / 170 | 1 m / 16mm2 | 341,00 | 1 pce |
07 - 0006 | Copper interconnecting busbar, 3-poles, with contacts at busbar edges. There are 19 contacts with pitch of 17,8 mm per 1 m length . | 85 / 170 | 1 m / 16mm2 | 313,00 | 1 pce |
07 - 0008 | Copper interconnecting busbar, 4-poles | 85 / 170 | 1 m / 16mm2 | 698,00 | 1 pce |
07 - 0011 | Plastic terminal head for the 3-poles busbar | 1 pce / 16mm2 | 8,20 | 10 pcs. |
The miniature circuit breakers can be linked-up with many accessories. (low-volt releases, ejecting coils, auxiliary contacts, etc.)
All those elements extend the application of the MCB by overvoltage or undervoltage protection, control, regulation, remote control, remote indication of switch-on and switch-off positions of the circuit breaker, programming and measurement. Those combinations enable the circuit breakers to be applied in the range of control of the complicated automated processes.
These elements can be mutually interconnected (e.g. MCB + undervoltage release + auxiliary indicating contact etc.), thus they can form different combinations.
Being mounted, it has to be attached to the left side of the circuit breaker; or combined with the VIGI module without any instruments. The VIGI module must be always bonded on the right side of the circuit breaker.
Mounting without using any instruments
Combination of electrical accessories (1 module 9 mm, max. width 54 mm):
Unit with auxiliary SD contacts:
- it includes 1 change-over contact indicating reaction of someone of the circuit breakers releases
- it indicates if the releases have switched-off the circuit breaker (overvoltage releases or MX or MN)
- the unit provides: - switch-off indicator with a red parachute on the front side of indicating contact
- resetting without switching-on the circuit breaker
- testing of functions
Unit with auxiliary OF contacts:
- it includes 1 change-over contact indicating condition of the circuit breaker
- the change-over contact which is involved in the control or indicating circuits and which indicates the circuit breaker positions ON or OFF
- test button on the front side of the auxiliary contacts serves as the check of signalling circuit without any circuit breaker handling
Range of goods - auxiliary contacts OF |
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Order Codevací |
Description |
Quantity |
Packing pcs/case |
26923 | Unit with auxil. contacts S C60/RCCB | 1 pce | 1 pce. |
26924 | Unit with auxiliary contactsů OF C60/RCCB | 1 pce | 1 pce. |
26921 | Unit with auxiliary contacts SD C60/RCCB | 1 pce | 1 pce. |
- they enable to switch-off the circuit breaker from any place by conducting the voltage onto the release coil; simultaneously they can indicate the ON/OFF condition of the circuit breaker
- they enable to indicate the ON/OFf condition of the cirucit breaker by the same voltage by which the release is supplied
- it is fitted with the break contact put in series with the OFF coil
- all the volt releases are fitted with indication of the OFF condition (red parachute)
- power input - MX releases: | 415 | V ~ |
starting up |
120 W | 48 V ~ / = starting up 22 W |
220/240 | V ~ | 50 W | 24 V ~ / = 120 W | ||
110/130 | V ~ | 200 W | 110/130 V = 10 W |
Range of goods - the volt switch-off releases MX+OF |
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Order Code | Desription | Quantity | Packing |
26946 | remote switch-off release MX+OF 220-415V st. 110-130V ss | 1 pce | 1 pce |
26947 | remote switch-off release MX+OF 48-130Vst. 48Vss C60/RCCB | 1 pce | 1 pce |
26948 | remote switch-off release . MX+OF 24V st./ss C60/RCCB | 1 pce | 1 pce |
- it enables to switch off the circuit breaker with voltage drop or when pressing the switch-off button (to be used for circuits Total stop etc.)
- it switches off if the nominal voltage falls down under 70%
- it is possible to switch on the miniature circuit breaker when the voltage is > 85 % Un
- it avoids the circuit breaker to be switched-on again if the low-volt release is live
- the low-volt time-limit release MNS enables to overbridge any short-time voltage drops < 200 ms without being switched-off (delayed reaction)
- all the low-volt releases are fitted with switch-off indicator (red parachute)
- input power of the release MN: | 220/240 | V ~ | 4,1 W | |
48 | V ~ | 4,3 W | ||
48 | V = | 2,0 W | ||
- input power of the release MNS: | 220/240 | V ~ |
hold value |
4,1 W |
Range of goods - the low-volt switch-off releases MN |
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Order Code |
Despription |
Quantity | Packing pcs./case |
26960 | Low-volt release MN 220/240 V st.C60/RCCB | 1 ks | 1 ks |
26961 | Low-volt release MN 48V st. C60 | 1 ks | 1 ks |
26962 | Low-volt release MN 48V ss C60 | 1 ks | 1 ks |
26963 | Low-volt release MN 220/240V st. C60/RCCB S | 1 ks | 1 ks |
Export Manager: Michal Hudeček, tel: +420 605 518 724, [email protected]
Sales Department: - Mrs Adriana Jamná, fax +420 518 335 216, email : [email protected], 696 66 Sudoměřice nad Moravou 302
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