High-performance MCB for DC and AC applications, 3 poles, 16 A, flexible tripping mechanism, and high short-circuit breaking capacity.
Product ModelS203M-C16UC
Material Number2CDS273061R0164
Product ID79486
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Flexible ApplicationThe S203M-C16UC is designed for both DC and AC applications, making it a versatile solution for various electrical needs.
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2. High Short-Circuit Breaking CapacityWith a rated short-circuit breaking capacity of up to 25 kA at 230 V AC and 10 kA at 400 V AC, this MCB provides robust protection against short circuits.
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3. Compliance with International StandardsThe S203M-C16UC complies with IEC/EN 60898-1 and IEC/EN 60947-2, ensuring it meets the requirements for residential, commercial, and industrial applications.
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4. Tripping MechanismEquipped with a delayed thermal tripping mechanism for overload protection and an electromechanical tripping mechanism for short circuit protection, providing comprehensive safety features.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Standards
IEC/EN 60898-1 IEC/EN 60947-2
Tripping Characteristic
C
Rated Operational Voltage
acc. to IEC 60898-1 400 V AC acc. to IEC 60898-1 440 V DC acc. to IEC 60898-1 440 V acc. to IEC 60898-2 400 V AC acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC
Operational Voltage
Maximum (Incl. Tolerance) 440 V AC Maximum (Incl. Tolerance) 500 V DC Minimum 12 V AC Minimum 12 V DC
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 440 V
Rated Impulse Withstand Voltage (Uimp)
5
5. Durable DesignThe MCB features a failsafe bi-directional cylinder-lift terminal and is designed to withstand various environmental conditions, including resistance to vibrations and shock.
4 kV at 2000 m 5 kV at Sea Level 6.2 kV
Dielectric Test Voltage
50/60 Hz-1 min: 2 kV
Input Voltage Type
AC/DC
Rated Current (In)
16 A
Rated Short-Circuit Capacity
(AC) 10 kA (230 V AC) 10 kA (253 V AC) 10 kA (400 V AC) 10 kA (440 V DC) 10 kA (230 V) 10 kA (400 V) 10 kA
