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SIEMENS

Siemens 5SV3344-4 Residual Current Operated Circuit Breaker, 4-Pole, Type B, 40A, 30mA Original Brand New

Model / SKU5SV3344-4

A high-performance, 4-pole residual current operated circuit breaker (RCCB) designed for superior protection in demanding industrial and commercial environments. Featuring Type B residual current detection for both AC and smooth DC fault currents, a 40 A rated current, and a 30 mA sensitivity.

Original price was: $1,107.74.Current price is: $595.83.
Available on backorder
  • ConditionOriginal Brand New
  • Warranty12 months

Backorder available · Factory lead time 2–3 weeks.

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Description

Overview

The Siemens 5SV3344-4 is a high-performance residual current operated circuit breaker (RCCB) engineered to deliver maximum electrical safety in demanding industrial and commercial environments. Featuring 4-pole protection, Type B sensitivity, and short-time-delayed operation, this RCCB ensures reliable protection against AC, pulsating, and smooth DC fault currents. Designed with SIGRES technology, it offers enhanced resistance to harsh ambient conditions, ensuring long-term stability and reduced maintenance needs.

Ideal for advanced applications requiring robust fault-current detection, the Siemens 5SV3344-4 guarantees superior performance even under challenging environmental influences.

Benefits

  • Advanced Protection: Detects AC, pulsating DC, and smooth DC residual currents with Type B sensitivity.

  • Reliable Operation: Short-time-delayed response prevents nuisance tripping and ensures system stability.

  • Harsh-Environment Ready: SIGRES construction improves resistance to moisture, dust, chemical vapors, and temperature fluctuations.

  • Extended Test Interval: Lengthened inspection cycles reduce downtime and maintenance frequency.

  • Versatile Application: Ideal for EV charging stations, industrial systems, drives, converters, and sensitive electronic equipment.

Functions & Features

  • Rated Current (In): 40 A

  • Rated Residual Current: 30 mA

  • Voltage Rating: AC 400 V

  • 4-Pole Configuration

  • Type B Sensitivity – Universal fault-current detection

  • Short-time-delayed tripping for enhanced system reliability

  • SIGRES technology for harsh ambient conditions

  • Extended testing interval for lower operational overhead

  • High endurance design suitable for continuous industrial use

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Specifications

SKU / Model5SV3344-4
BrandSIEMENS
product brand nameSENTRON
product designationRCCB
design of the productShort-time delayed
number of poles4
size of installation devices / acc. to DIN 438801
mechanical service life (switching cycles) / typical10 000
short-circuit current / of series fuse / maximum permissible100 A
short-circuit current rating10 kA
switching function / short-term delayedYes
overvoltage categoryIII
supply voltage-
● for testing equipment / minimum195 V
operating frequency50/60 Hz
supply voltage frequency / rated value50 Hz
protection class IPIP20, if the distribution board is installed, with connected conductors
switching capacity current-
● acc. to EN 60898 / rated value0.8 kA
● according to IEC 61008-1 / rated value0.8 kA
power loss [W]-
● for rated value of the current / at AC / in hot operating state / per pole2.5 W
tripping fault current / rated value30 mA
operational current-
● at 40 °C / rated value40 A
● at 45 °C / rated value40 A
● at 50 °C / rated value40 A
● at 55 °C / rated value40 A
● at 60 °C / rated value40 A
● at 65 °C / rated value40 A
● at 70 °C / rated value40 A
● at AC / rated value40 A
residual current typeB
let-through current / permissible6 200 kA
I2t value / permissible41 000 A²·s
surge current resistance / rated value3 kA
product feature / silicon-freeYes
product extension / installable / supplementary devicesYes
connectable conductor cross-section / solid-
connectable conductor cross-section / stranded-
tightening torque / with screw-type terminals-
installation depth70 mm
number of modular width units4
fastening methodDIN rail (REG)
mounting positionany
ambient temperature / during operation-
● minimum-25 °C
● maximum45 °C
ambient temperature / during storage-
● minimum permissible-40 °C
● maximum permissible75 °C
number of test cycles / for environmental testing / acc. to IEC 60068-2-3028
otherDangerous Good Railway
Weight0.447 kg
Dimensions97.00 × 78.00 × 85.00 mm

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