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Benchmark Series Boilers Pre-Installation Electrical Power Guide
CIRCUIT BREAKER
Diagram 5b- BMK4000-5000N: 380-415 V / 3
3 POLE 40 AMP
CIRCUIT BREAKER
Diagram 6: BMK2500-5000N: 208 V / 3
Change Log:
Date
Rev O: Added BMK5000N information where applicable.
6/9/2020
Rev P: Added diagram and description of E-Stop power
shutoff switch to Section 4.
Added 208 V row to BMK 4000/5000N – Domestic, changed
5/16/2023
amperage from 15 to 20 in Sections 2 and 4. Added new wiring
schematic diagrams 6a, 6b and 7 for the BMK4000 & 5000N.
Rev Q: Removed reference to Platinum; updated formatting
5/16/2023
TAG-0048_Q • 5/16/2023
DISCONNECT SWITCH
3 POLE 20 AMP
DISCONNECT SWITCH
3 POLE 40 AMP
Description
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
3 POLE 20 AMP
/ 50-60 Hz Wiring Schematic- 4 Wire – INTERNATIONAL
/ 60 Hz Wiring Schematic- 4 Wire – DOMESTIC
380-415 V / 3 / 50-60 Hz
208 V / 3 / 60 Hz
Changed by
Linley
Thobourne, Chris
Blair
Chris Blair
dwbarron
Page 10 of 11
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