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1MRS 751108-MUM
Protection Relay
Technical Reference Manual, General
REX 521
41
6. Ordering
information
When ordering REX 521 protection relays, specify the following:
• Order number
• Quantity
• Additional language
Each protection relay has a specific order number that identifies the protection relay
type as well as the hardware and the software as described in Fig. 6.-1 below.
The order number is labelled on the marking strip on the front panel of the relay
delivered, e.g. Order No: REX521BMHPSM01C.
)LJ 2UGHUQXPEHURIWKH5(;
English is always available in the REX 521. When ordering, the other additional
language must be defined according to the table below.
When ordering a REX 521, the latest hardware and configuration revisions are
delivered unless otherwise specified.
Table 6.-1 Display language codes
Code
Language combination
FI
English-Finnish
SE
English-Swedish
DE
English-German
ES
English-Spanish
FR
English-French
PT
English-Portuguese
REX521BMHPSM01C
OrderNo
Revision
Power supply: H = High, L = Low
Configuration name: B01, B02, M01, M02, H01, H02, H03, H04, H05, H06
Optical connectors for rear communication: P = Plastic, G = Glass
Rear communication: S=SPA/IEC, L=SPA/IEC/LON
Type of hardware: B = Basic, M = Medium, H = High, S = High sensor
Configuration revision
XX
Display language (see Table 6.-1)
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