ABB Industrial IT enabled REX 521 - Ordering information

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Technical Reference Manual, General
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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, for example, Order No: REX521CMHPSM01D.
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English is always available in REX 521. When ordering, the other additional
language must be defined according to the table below.
When ordering REX 521, the latest hardware and configuration revisions are
delivered unless otherwise specified.
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FI English-Finnish
SE English-Swedish
DE English-German
ES English-Spanish
FR English-French
PT English-Portuguese
PL English-Polish
OrderNo_a
Display language (see the table about display language codes)
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REX521CMHPSM01D
Revision
Power supply: H = PS_87H, L = PS_87L
Configuration name: B01, B02, M01, M02, H01, H02, H03, H04, H05, H06, H07
Optical connectors for rear communication: P = plastic-fibre, G = glass-fibre
Rear communication: S=SPA/IEC, MODBUS L=SPA/IEC/MODBUS/LON
Type of hardware: B = Basic, M = Medium, H = High, S = High sensor
Configuration revision