| Article number | 3RV2021-4EA40 | 3RV2021-4EA10 | |
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| Circuit breaker size S0 for motor protection, CLASS 10 A-release 27...32 A N-release 400 A ring cable lug connection Standard switching capacity | Circuit breaker size S0 for motor protection, CLASS 10 A-release 27...32 A N-release 400 A screw terminal Standard switching capacity | ||
| product brand name | SIRIUS | ||
| product designation | Circuit breaker | ||
| design of the product | For motor protection | ||
| product type designation | 3RV2 | ||
| General technical data | |||
| size of the circuit-breaker | S0 | ||
| size of contactor can be combined company-specific | S00, S0 | ||
| product extension auxiliary switch | Yes | ||
| power loss [W] for rated value of the current | |||
| ● at AC in hot operating state | 13.25 W | ||
| ● at AC in hot operating state per pole | 4.4 W | ||
| insulation voltage with degree of pollution 3 at AC rated value | 690 V | ||
| surge voltage resistance rated value | 6 kV | ||
| shock resistance according to IEC 60068-2-27 | 25g / 11 ms | ||
| mechanical service life (operating cycles) | |||
| ● of the main contacts typical | 100 000 | ||
| ● of auxiliary contacts typical | 100 000 | ||
| electrical endurance (operating cycles) typical | 100 000 | ||
| reference code according to IEC 81346-2 | Q | ||
| Substance Prohibitance (Date) | 10/01/2009 | ||
| SVHC substance name |
Lead - 7439-92-1
Lead titanium zirconium oxide - 12626-81-2
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| Net Weight | 0.368 kg | 376 g | |
| Ambient conditions | |||
| installation altitude at height above sea level maximum | 2 000 m | ||
| ambient temperature | |||
| ● during operation | -20 ... +60 °C | ||
| ● during storage | -50 ... +80 °C | ||
| ● during transport | -50 ... +80 °C | ||
| relative humidity during operation | 10 ... 95 % | ||
| Main circuit | |||
| number of poles for main current circuit | 3 | ||
| adjustable current response value current of the current-dependent overload release | 27 ... 32 A | ||
| type of voltage for main current circuit | AC | ||
| operating voltage | |||
| ● rated value | 20 ... 690 V | ||
| ● at AC-3 rated value maximum | 690 V | ||
| ● at AC-3e rated value maximum | 690 V | ||
| operating frequency rated value | 50 ... 60 Hz | ||
| operational current rated value | 32 A | ||
| operational current | |||
| ● at AC-3 at 400 V rated value | 32 A | ||
| ● at AC-3e at 400 V rated value | 32 A | ||
| operating power | |||
| ● at AC-3 | |||
| — at 230 V rated value | 7.5 kW | ||
| — at 400 V rated value | 15 kW | ||
| — at 500 V rated value | 18.5 kW | ||
| — at 690 V rated value | 30 kW | ||
| ● at AC-3e | |||
| — at 230 V rated value | 7.5 kW | ||
| — at 400 V rated value | 15 kW | ||
| — at 500 V rated value | 18.5 kW | ||
| — at 690 V rated value | 30 kW | ||
| operating frequency | |||
| ● at AC-3 maximum | 15 1/h | ||
| ● at AC-3e maximum | 15 1/h | ||
| Auxiliary circuit | |||
| type of voltage for auxiliary and control circuit | AC/DC | ||
| number of NC contacts for auxiliary contacts | 0 | ||
| number of NO contacts for auxiliary contacts | 0 | ||
| number of CO contacts for auxiliary contacts | 0 | ||
| Protective and monitoring functions | |||
| product function | |||
| ● ground fault detection | No | ||
| ● phase failure detection | Yes | ||
| trip class | CLASS 10 | ||
| design of the overload release | thermal | ||
| maximum short-circuit current breaking capacity (Icu) | |||
| ● at AC at 240 V rated value | 100 kA | ||
| ● at AC at 400 V rated value | 55 kA | ||
| ● at AC at 500 V rated value | 10 kA | ||
| ● at AC at 690 V rated value | 4 kA | ||
| operating short-circuit current breaking capacity (Ics) at AC | |||
| ● at 240 V rated value | 100 kA | ||
| ● at 400 V rated value | 25 kA | ||
| ● at 500 V rated value | 5 kA | ||
| ● at 690 V rated value | 2 kA | ||
| response value current of instantaneous short-circuit trip unit | 400 A | ||
| UL/CSA ratings | |||
| full-load current (FLA) for 3-phase AC motor | |||
| ● at 480 V rated value | 32 A | ||
| ● at 600 V rated value | 32 A | ||
| yielded mechanical performance [hp] | |||
| ● for single-phase AC motor | |||
| — at 110/120 V rated value | 2 hp | ||
| — at 230 V rated value | 5 hp | ||
| ● for 3-phase AC motor | |||
| — at 200/208 V rated value | 7.5 hp | ||
| — at 220/230 V rated value | 10 hp | ||
| — at 460/480 V rated value | 20 hp | ||
| Category Control Number (CCN) | E156943 (NKJH, NKJH7) | ||
| Short-circuit protection | |||
| product function short circuit protection | Yes | ||
| design of the short-circuit trip | magnetic | ||
| design of the fuse link for IT network for short-circuit protection of the main circuit | |||
| ● at 400 V | gL/gG 63 A | ||
| ● at 500 V | gL/gG 63 A | ||
| ● at 690 V | gL/gG 63 A | ||
| Installation/ mounting/ dimensions | |||
| mounting position | any | ||
| fastening method | screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715 | ||
| height | 97 mm | ||
| width | 45 mm | ||
| depth | 97 mm | ||
| required spacing | |||
| ● with side-by-side mounting at the side | 0 mm | ||
| ● for grounded parts at 400 V | |||
| — downwards | 30 mm | ||
| — upwards | 30 mm | ||
| — at the side | 9 mm | ||
| ● for live parts at 400 V | |||
| — downwards | 30 mm | ||
| — upwards | 30 mm | ||
| — at the side | 9 mm | ||
| ● for grounded parts at 500 V | |||
| — downwards | 30 mm | ||
| — upwards | 30 mm | ||
| — at the side | 9 mm | ||
| ● for live parts at 500 V | |||
| — downwards | 30 mm | ||
| — upwards | 30 mm | ||
| — at the side | 9 mm | ||
| ● for grounded parts at 690 V | |||
| — downwards | 50 mm | ||
| — upwards | 50 mm | ||
| — backwards | 0 mm | ||
| — at the side | 30 mm | ||
| — forwards | 0 mm | ||
| ● for live parts at 690 V | |||
| — downwards | 50 mm | ||
| — upwards | 50 mm | ||
| — backwards | 0 mm | ||
| — at the side | 30 mm | ||
| — forwards | 0 mm | ||
| Connections/ Terminals | |||
| type of electrical connection | |||
| ● for main current circuit | Ring cable lug connection | screw-type terminals | |
| ● for auxiliary and control circuit | ring terminal lug connection | ||
| arrangement of electrical connectors for main current circuit | Top and bottom | ||
| type of connectable conductor cross-sections | |||
| ● for main contacts | |||
| — solid or stranded | 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) | ||
| — finely stranded with core end processing | 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm² | ||
| ● for AWG cables for main contacts | 2x (16 ... 12), 2x (14 ... 8) | ||
| tightening torque | |||
| ● for main contacts for ring cable lug | 2 ... 2.5 N·m | ||
| ● for auxiliary contacts for ring cable lug | 1.2 ... 0.8 N·m | ||
| outer diameter of the usable ring cable lug maximum | 7.5 mm | ||
| tightening torque | |||
| ● for main contacts with screw-type terminals | 2 ... 2.5 N·m | ||
| design of screwdriver shaft | Diameter 5 to 6 mm | ||
| size of the screwdriver tip | size 2 and Pozidriv 2 | Pozidriv size 2 | |
| design of the thread of the connection screw | |||
| ● for main contacts | M4 | ||
| ● of the auxiliary and control contacts | M3 | ||
| Safety related data | |||
| product function suitable for safety function | Yes | ||
| suitability for use | |||
| ● safety-related switching on | No | ||
| ● safety-related switching OFF | Yes | ||
| service life maximum | 10 a | ||
| test wear-related service life necessary | Yes | ||
| proportion of dangerous failures | |||
| ● with low demand rate according to SN 31920 | 40 % | ||
| ● with high demand rate according to SN 31920 | 50 % | ||
| B10 value with high demand rate according to SN 31920 | 5 000 | ||
| failure rate [FIT] with low demand rate according to SN 31920 | 50 FIT | ||
| ISO 13849 | |||
| device type according to ISO 13849-1 | 3 | ||
| overdimensioning according to ISO 13849-2 necessary | Yes | ||
| IEC 61508 | |||
| safety device type according to IEC 61508-2 | Type A | ||
| T1 value | |||
| ● for proof test interval or service life according to IEC 61508 | 10 a | ||
| Electrical Safety | |||
| protection class IP on the front according to IEC 60529 | IP00 | IP20 | |
| touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front | ||
| Display | |||
| display version for switching status | Handle | ||
| Approvals Certificates | |||
| Environmental Product Declaration | |||
| ● global warming potential [CO2 eq] / during manufacturing | 2.68 kg | 2.68 kg | |
| ● global warming potential [CO2 eq] / during sales | 0.143 kg | 0.143 kg | |
| ● global warming potential [CO2 eq] / during operation | 72.7 kg | 72.7 kg | |
| ● global warming potential [CO2 eq] / after end of life | -0.445 kg | -0.445 kg | |
| ● global warming potential [CO2 eq] / total | 75.078 kg | 75.078 kg | |
| Environment | |||
| EPD Typ II/III (with life cylce assessment) |
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Yes | Yes |
| Siemens EcoTech Profile (SEP) |
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Yes | Yes |
| Environmental Confirmations | Yes | Yes | |
| General Product Approval | |||
| CCC |
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Yes | Yes |
| EU declaration of conformity |
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Yes | Yes |
| UK Declaration of Conformity |
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Yes | Yes |
| UL |
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Yes | Yes |
| KC |
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Yes | Yes |
| EAC |
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Yes | Yes |
| S Mark |
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Yes | Yes |
| EEQCO Scheme-X |
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Yes | Yes |
| For use in hazardous locations | |||
| IECEx |
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Yes | Yes |
| ATEX |
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Yes | Yes |
| Test Certificates | |||
| Special Test Certificate | Yes | Yes | |
| Type Test Certificates/Test Report | Yes | Yes | |
| Maritime application | |||
| ABS (American Bureau of Shipping) |
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Yes | Yes |
| BV (Bureau Veritas) |
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Yes | Yes |
| DNV (Det Norske Veritas) |
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Yes | Yes |
| LR (Lloyds Register) |
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Yes | Yes |
| PRS (Polski Register of Shipping) |
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Yes | Yes |
| RINA (Registro Italiano Navale) |
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Yes | Yes |
| other | |||
| Miscellaneous | Yes | Yes | |
| Chinese Quality Checkmark |
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Yes | Yes |
| Confirmation | Yes | Yes | |
| Miscellaneous | Yes | Yes | |
| Railway | |||
| Special Test Certificate | Yes | Yes | |
| Confirmation | Yes | Yes | |
| Further information | |||
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| last modified: | 11/13/2025 | ||
| Date 2/25/2026 |
Subject to change without notice © Copyright Siemens 2026 |
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