Data Sheet

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Data sheet 5SY5204-7KK11

Circuit breaker Universal current 440 V DC/400 V AC 10kA, 2-pole,

C, 4 A for railway applications

Model

Product brand name SENTRON

Product designation Miniature circuit breaker

Design of the product For railway applications

General technical data

Number of poles 2

Number of poles / Note 2P

Tripping characteristic class C

Mechanical service life (switching cycles) / typical 10000

Overvoltage category III

Voltage

Insulation voltage

● at DC / rated value

250V

● with single-phase operation / at AC / rated

value

440V

● with multi-phase operation / at AC / rated value

440V

Supply voltage

Type of voltage AC/DC

5SY5204-7KK11 Subject to change without notice

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Summary of content (5 pages)

PAGE 1
Data sheet 5SY5204-7KK11 Circuit breaker Universal current 440 V DC/400 V AC 10kA, 2-pole, C, 4 A for railway applications Model Product brand name SENTRON Product designation Miniature circuit breaker Design of the product For railway applications General technical data Number of poles 2 Number of poles / Note 2P Tripping characteristic class C Mechanical service life (switching cycles) / typical 10 000 Overvoltage category III Voltage Insulation voltage ● at DC / rated value 250 V ● wi
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Current / at AC / rated value 4A Supply voltage ● at AC / rated value 400 V ● at DC / rated value 440 V Operating voltage ● at DC / rated value / maximum 500 V Supply voltage frequency ● rated value 50/60 Hz Protection class Protection class IP IP20, with connected conductors Switching capacity Switching capacity current ● at DC / acc. to IEC 60947-2 / rated value 15 kA ● acc.
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● Connectable conductor cross-section — solid 0.75 ... 35 mm² — stranded 0.75 ... 35 mm² ● Connectable conductor cross-section / finely stranded / with core end processing 0.75 ... 25 mm² AWG number / as coded connectable conductor cross section 18 ... 4 Tightening torque [lbf·in] / with screw-type terminals 22 ... 31 lbf·in Tightening torque / with screw-type terminals 2.5 ... 3.
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