Transcription of MPR3E5 Issue H - P&B
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MPR3E5 Issue H - P&B
Issue H mpr 3e5 Digital Motor Protection Relay P&B Engineering Belle Vue Works Boundary Street Manchester M12 5NG Tel: 0161 230 6363 Issue H Fax: 0161 230 6464 E-mail Contents 1. 2 2. 3 3. FEATURES AND CHARACTERISTICS .. 3 4. DESIGN .. 4 CIRCUIT 4 Analogue input circuits .. 5 Output 5 data 5 5. FRONT PANEL .. 6 ALPHANUMERIC 6 Mode 2 8 Fault indication .. 9 LED 9 Push 9 6. WORKING PRINCIPLES .. 10 ANALOGUE 10 DIGITAL 10 7. OPERATION AND SETTING .. 11 LAYOUT OF THE CONTROL 11 RELAY DISPLAY AND SETTING PROCEDURE.. 11 Display mode(1).. 11 Setting Mode (2).. 11 SETTING 13 t6x Setting .. 13 Speed Switch .. 13 Full Load Current Setting I FLC .. 13 CT Primary Setting .. 13 Hot/Cold Ratio Setting .. 14 Thermal Overload Pre-Alarm Setting .. 14 Number of Starts per Hour.
14/1/98 Page 3 Issue H 2. Application The MPR 3E5 is a universal digital adjustable motor protection relay. It serves as overload, overcurrent, negative sequence (unbalance), and general protection for synchronous and induction
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