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5SY4450-5
New

5SY4450-5

New product

Siemens 5SY4450-5

Miniature circuit breaker 400 V 10kA, 4-pole, A, 50 A, D=70 mm

Model
product brand name SENTRON
product designation Miniature circuit breaker
General technical data
number of poles 4
design of pole 4P
tripping characteristic class A
mechanical service life (operating cycles) typical 10 000
overvoltage category 3
degree of pollution 3
Voltage
type of voltage of the operating voltage AC
insulation voltage (Ui)
● with single-phase operation at AC rated value 440 V
● with multi-phase operation at AC rated value 440 V
supply voltage with single-phase operation at AC rated value 230 V
 
● operational current
— at 40 °C rated value 48 A
— at 50 °C rated value 45.95 A
— at 55 °C rated value 44.9 A
— at 60 °C rated value 43.8 A
● operational current at AC rated value 50 A
Supply voltage
supply voltage
● at AC 400 V
● at DC rated value 60 V
value range of the supply voltage frequency 50/60 Hz
operating voltage at DC rated value maximum 72 V
Protection class
protection class IP IP20, with connected conductors

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