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SMCBs
S750 series DR- selective main circuit-breakers, E characteristic
selective

S750 series DR
Selective main circuit-breakers of the S 750 DR series are SMCBs based on DIN VDE
0641-21 with voltage-independent operating principle. This means that they do not rely on a
control circuit to make or break contact (SHU) and are therefore particularly suitable for use
in energy distributionsystems with maximum availability requirements. They offer total
selectivity to downstream MCBs and outstanding selectivity to upstream protective devices
due to unique current limiting selectivity.

Number Rated Bbn Order details Price Weight Pack
of poles current 4016779 1 piece 1 piece unit
In A EAN Type code Order code kg pc.
1 16 878968 S 751 DR-E16 2CDH781010R0162 0.35 3
20 878975 S 751 DR-E20 2CDH781010R0202 0.35 3
25 878982 S 751 DR-E25 2CDH781010R0252 0.35 3
32 878999 S 751 DR-E32 2CDH781010R0322 0.35 3
40 879019 S 751 DR-E40 2CDH781010R0402 0.35 3
50 879026 S 751 DR-E50 2CDH781010R0502 0.35 3
63 879033 S 751 DR-E63 2CDH781010R0632 0.35 3

S751 DR

2 16 879361 S 752 DR-E16 2CDH782010R0162 0.7 2
20 879378 S 752 DR-E20 2CDH782010R0202 0.7 2
25 879385 S 752 DR-E25 2CDH782010R0252 0.7 2
32 879392 S 752 DR-E32 2CDH782010R0322 0.7 2
40 879415 S 752 DR-E40 2CDH782010R0402 0.7 2
50 879422 S 752 DR-E50 2CDH782010R0502 0.7 2
63 879439 S 752 DR-E63 2CDH782010R0632 0.7 2

S752 DR
3 16 879569 S 753 DR-E16 2CDH783010R0162 1.05 1
20 879576 S 753 DR-E20 2CDH783010R0202 1.05 1
25 879583 S 753 DR-E25 2CDH783010R0252 1.05 1
32 879590 S 753 DR-E32 2CDH783010R0322 1.05 1
40 879613 S 753 DR-E40 2CDH783010R0402 1.05 1
50 879620 S 753 DR-E50 2CDH783010R0502 1.05 1
63 879637 S 753 DR-E63 2CDH783010R0632 1.05 1

S753 DR

4 16 879767 S 754 DR-E16 2CDH784010R0162 1.4 1
20 879774 S 754 DR-E20 2CDH784010R0202 1.4 1
25 879781 S 754 DR-E25 2CDH784010R0252 1.4 1
32 879798 S 754 DR-E32 2CDH784010R0322 1.4 1
40 879811 S 754 DR-E40 2CDH784010R0402 1.4 1
50 879828 S 754 DR-E50 2CDH784010R0502 1.4 1
63 879835 S 754 DR-E63 2CDH784010R0632 1.4 1

S754 DR

Due to the lack of international product standards for SMCB, S750DR products as given in this catalogue are certified acc.
to IEC/EN 60947-2. If requested, S750 (for 40mm busbar systems) and S750DR (for DIN rail mounting) are also available with
a certification based on a German SMCB standard. Please contact your ABB office for further information.