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Benchmark Series Boilers Pre-Installation Electrical Power Guide
1 POLE 20 AMP
220 V / 1 / 50-60 Hz
DISCONNECT SWITCH
CIRCUIT BREAKER
1 POLE 20 AMP
Diagram 1b - BMK750 – 2000: 220 V / 1
/ 50-60 Hz Wiring Schematic – 3 Wire – INTERNATIONAL
480 V / 3 / 60 Hz
380-415 V / 3 / 50-60 Hz
/ 50-60 Hz Wiring Schematic- 4 Wire – INTERNATIONAL
Diagram 2 - BMK2500-5000N: 380-415 V / 3
208 V / 3 / 60 Hz
/ 60 Hz Wiring Schematic- 4 Wire – DOMESTIC
Diagram 3: BMK5000/6000: 208 V / 3
480 V / 3 / 60Hv or
575 V / 3 / 60 Hz
TAG-0048_Q • 5/16/2023
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
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