Features

Permits easy, flexible and rapid installation,service and expansion of both simple andcomplex systemsCombines plug-in apparatus and othercomponents to form complete systems for

protection and control

Fulfills the highest requirements in powerplants, substations and industrial installa-tions.

Application

The parts are of particular value for users ofthe COMBIFLEX system that wish to assem-ble or modify protection relays on their own.They can also be used to design and buildprotection functions and relays that are notavailable as standard. The parts and plug-inunits can easily be combined into functional

units of own design or according to specifica-tion. Due to the unique connection technique

very reliable connection points are obtained.

The parts are also useful for the assembly andwiring of cubicles as well as for extension,modification or service of existing equip-ment.

Design

The COMBIFLEX mounting systems consistmainly of plug-in and firmly mounted electri-cal units that are interconnected with socketleads, specially designed for the system. Theparts for assembly, installation and connec-tion are hereby adapted to assure the besteconomy and quality for the user of the sys-tem

The basis for the mounting systems, whichare modular systems, are equipment frameswith an overall width of 19" and varying

height. The height module U (1U= 44,45 mm= 1,75") and width modulesC (1C=7mm)and TE (1TE=5,08 mm) are used.

The installation parts cover use in 19" rackmounting systems or with flush mounting andcut-outs. Also wall mounting and front termi-nals are available.

The parts also cover the connection detailsand tools required as well as prefabricatedmulticore wires, rapid connectors, branch andcross connectors.

Technical data

Data pertaining to connection details

Clearance and creepage distances, live part to live part = 4 mm

Clearance and creepage distances, live part to exposed conductive part = 6 mm

Current carrying capacity continuous for 10 A pin/socket = 10 A at max. +70°CCurrent carrying capacity continuous for 20 A pin/socket = 20 A at max. +70°C

Current carrying capacity during 1 s for 10 A pin/socket = 150 A at max. +70°C

Current carrying capacity during 1 s for 20 A pin/socket = 500 A at max. +70°C*

Contact resistance pin to socket = < 5 ms2 Valid for RTXP and RTXK.

Ordering

RHGS Cases for 19" Cubicle mounting orsurface mountingThis type of case can be used for all commonway of mounting. The RHGS cases are avail-able in three different sizes, which can becombined with mounting accessories to getmaximum flexibility. The cases can also becombined together with the terminals in the500-series.

The case, a metal box with open rear side, hasa flange working as a stop when the case isinserted into a front panel opening. The caseis provided with a support frame. Appara-tuses which shall be mounted have to be pro-vided with apparatus bars. The colour of thecase is beige.

A spacer frame for semi-flush mounting isavailable. The case can be provided with adoor.

Together with the terminals from the RE 500series described in 1MRK 514 003-BEN, thecases can be mounted in a 19" frame in acubicle (different sizes can be mountedtogether side by side to utilize the width ofthe frame in the cubicle), semi-flushmounted, flush mounted or surface mounted.

RHGS 30 6U 19” 30 1MRK 000 315-A 1MRK 000 315-D 

RHGS 12 6U x 1/2 12 1MRK 000 315-B 1MRK 000 315-E 

RHGS 6 6U x 1/4 6 1MRK 000 315-C 1MRK 000 315-F