5SU1656-1KK20

Product ID:166863
Updated: 2026/4/3
Siemens 5SU1656-1KK20

Key Features

  • 1Provide robust 6 kA breaking capacity for reliable fault protection. 2、Ensure quick tripping with high 300 mA sensitivity. 3、Fit compactly into 1P+N installations for space efficiency. 4、Meet IEC/EN 61008 and VDE 0664-10 safety standards. 5、Withstand harsh conditions for durable, long-term performance.
Product Details
5SU1656-1KK20
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Description
5SU1_AC_0.3 1P+N C20 6KA; Rated Current 20A; Breaking Capacity 6kA; Trip Unit C; 1P+N; Residual Current 300mA; AC; Electromagnetic
Testing Method: (ELE: Electronic, ELM: Electromagnetic)
Electromagnetic
Leakage Current Type:
AC
Residual Current:
300 mA
Breaking Capacity Icn(kA): Standard IEC60898
6
Product Type:
Residual Current Protective Circuit Breaker
Trip Unit:
C【C characteristic curve】
Number of Poles:
1P+N
In(A):
20
Lifecycle
Delivery Release (PM300)
Country of Origin
Germany
ECCN
N
AL
N
Model Number
5SU1656-1KK20

Specifications may be subject to change without notice