RBK pro / RBK evo — LV cassette-type fuse switch disconnectors 125–630 A, 690 V
Country: Poland · Model: RBK pro / RBK evo
RBK pro and RBK evo cassette-type fuse switch disconnectors for 125–630 A and 690 V are made for NH blade fuse links from NH000 to NH3. They find a place in industrial LV switchgear, cable distribution cabinets and capacitor banks with frequent switching and thermal load.
- Range
- RBP 000 pro (125 A), RBK 000 pro (160 A), RBK 00/00 pro/evo (160 A), RBK 1/1 pro (250 A), RBK 2 pro (400 A), RBK 3 pro (630 A)
- Voltage
- Un 690 V; Ui 1 000 V; Uimp 12 kV
- RBK 2 pro
- Ith 400 A; AC-23B 690 V, DC-22B 220 V, DC-21B 440 V; 80 kA at 690 V, 100 kA at 400 V; 1 000 mech./200 switching cycles; IP20
- Mounting
- on a panel or on a 60/100 mm busbar bridge (APASYS60)
Technical specifications
| Range | RBP 000 pro (125 A), RBK 000 pro (160 A), RBK 00/00 pro/evo (160 A), RBK 1/1 pro (250 A), RBK 2 pro (400 A), RBK 3 pro (630 A) |
|---|---|
| Voltage | Un 690 V; Ui 1 000 V; Uimp 12 kV |
| RBK 2 pro | Ith 400 A; AC-23B 690 V, DC-22B 220 V, DC-21B 440 V; 80 kA at 690 V, 100 kA at 400 V; 1 000 mech./200 switching cycles; IP20 |
| Mounting | on a panel or on a 60/100 mm busbar bridge (APASYS60) |
| Versions | pro-S, pro-V120, evo-MP/MS/BS/X, pro-X/XT with electronic fuse link monitoring |
| Contacts | copper, galvanically silver-plated |
| Material | V0 (pro, evo), V2 (RBK 00, RBK 1) |
| Standards | PN-EN 60947-1, -3 |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
The fuse links sit in a hinged cassette cover, so during maintenance and replacement the circuit is disconnected clearly and safely. The range starts with the RBP 000 pro at 125 A (NH000), followed by the RBK 000 pro at 160 A (NH000) and the RBK 00, RBK 00 pro and RBK 00 evo at 160 A (NH00). The larger sizes RBK 1 and RBK 1 pro are rated for 250 A (NH1), the RBK 2 pro for 400 A (NH2), the RBK 3 pro for 630 A (NH3). In the evo line (MP, MS, BS, X) the current paths and contacts made of electrical copper are galvanically silver-plated, which reduces power losses. The pro and evo housings are made of self-extinguishing plastic of class V0, the basic RBK 00 and RBK 1 are class V2. The pro-S and pro-V120 versions differ in the connection method, and the other variants differ in the feed direction and in mounting on a panel or on a busbar bridge with a centre distance of 100 or 60 mm (APASYS60 system). Each version has a declaration of conformity to PN-EN 60947-1 and PN-EN 60947-3, 2D/3D models and accessories.
How to choose
The size is chosen by the NH fuse link size and the line current, from 125 A for the RBP 000 pro to 630 A for the RBK 3 pro. The second question is the busbar bridge pitch of the switchboard or panel mounting. If the state of the fuse links has to be monitored electronically, take the RBK pro-X or pro-XT. For a rotary device with a snap-action drive for the same currents, the RAB at 100–630 A will do.
Request a price and lead time
RBK pro / RBK evo — LV cassette-type fuse switch disconnectors 125–630 A, 690 V. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What conditional short-circuit current does the RBK 2 pro withstand?
For the RBK 2 pro and pro-S, 80 kA at 690 V and 100 kA at 400 V AC are stated. On DC this is 25 kA at 250 V and 15 kA at 440 V.
Can the RBK 2 pro be used in DC circuits?
Yes, at 400 A it has categories DC-22B at 220 V and DC-21B at 440 V, and on AC it has AC-23B at 690 V.
How many cycles does the RBK 2 pro cassette-type switch withstand?
Mechanical endurance is 1 000 cycles, switching endurance 200. The protection degree is IP20, and the weight of the pro and pro-S versions is about 3 and 4.5 kg.
What are the insulation and impulse voltages of the RBK pro switches?
Ui 1 000 V and Uimp 12 kV at a rated voltage of 690 V and a frequency of 50–60 Hz.
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