SIEMENS
Siemens 5SV3344-4 Residual Current Operated Circuit Breaker, 4-Pole, Type B, 40A, 30mA Original Brand New
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.
- ConditionOriginal Brand New
- Warranty12 months
Backorder available · Factory lead time 2–3 weeks.
- Genuine Products
- Up to 1-Year Warranty
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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
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Advanced Protection: Detects AC, pulsating DC, and smooth DC residual currents with Type B sensitivity.
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Reliable Operation: Short-time-delayed response prevents nuisance tripping and ensures system stability.
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Harsh-Environment Ready: SIGRES construction improves resistance to moisture, dust, chemical vapors, and temperature fluctuations.
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Extended Test Interval: Lengthened inspection cycles reduce downtime and maintenance frequency.
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Versatile Application: Ideal for EV charging stations, industrial systems, drives, converters, and sensitive electronic equipment.
Functions & Features
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Rated Current (In): 40 A
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Rated Residual Current: 30 mA
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Voltage Rating: AC 400 V
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4-Pole Configuration
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Type B Sensitivity – Universal fault-current detection
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Short-time-delayed tripping for enhanced system reliability
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SIGRES technology for harsh ambient conditions
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Extended testing interval for lower operational overhead
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High endurance design suitable for continuous industrial use
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Specifications
| SKU / Model | 5SV3344-4 |
|---|---|
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | RCCB |
| design of the product | Short-time delayed |
| number of poles | 4 |
| size of installation devices / acc. to DIN 43880 | 1 |
| mechanical service life (switching cycles) / typical | 10 000 |
| short-circuit current / of series fuse / maximum permissible | 100 A |
| short-circuit current rating | 10 kA |
| switching function / short-term delayed | Yes |
| overvoltage category | III |
| supply voltage | - |
| ● for testing equipment / minimum | 195 V |
| operating frequency | 50/60 Hz |
| supply voltage frequency / rated value | 50 Hz |
| protection class IP | IP20, if the distribution board is installed, with connected conductors |
| switching capacity current | - |
| ● acc. to EN 60898 / rated value | 0.8 kA |
| ● according to IEC 61008-1 / rated value | 0.8 kA |
| power loss [W] | - |
| ● for rated value of the current / at AC / in hot operating state / per pole | 2.5 W |
| tripping fault current / rated value | 30 mA |
| operational current | - |
| ● at 40 °C / rated value | 40 A |
| ● at 45 °C / rated value | 40 A |
| ● at 50 °C / rated value | 40 A |
| ● at 55 °C / rated value | 40 A |
| ● at 60 °C / rated value | 40 A |
| ● at 65 °C / rated value | 40 A |
| ● at 70 °C / rated value | 40 A |
| ● at AC / rated value | 40 A |
| residual current type | B |
| let-through current / permissible | 6 200 kA |
| I2t value / permissible | 41 000 A²·s |
| surge current resistance / rated value | 3 kA |
| product feature / silicon-free | Yes |
| product extension / installable / supplementary devices | Yes |
| connectable conductor cross-section / solid | - |
| connectable conductor cross-section / stranded | - |
| tightening torque / with screw-type terminals | - |
| installation depth | 70 mm |
| number of modular width units | 4 |
| fastening method | DIN rail (REG) |
| mounting position | any |
| ambient temperature / during operation | - |
| ● minimum | -25 °C |
| ● maximum | 45 °C |
| ambient temperature / during storage | - |
| ● minimum permissible | -40 °C |
| ● maximum permissible | 75 °C |
| number of test cycles / for environmental testing / acc. to IEC 60068-2-30 | 28 |
| other | Dangerous Good Railway |
| Weight | 0.447 kg |
| Dimensions | 97.00 × 78.00 × 85.00 mm |
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