Article number 3RV2021-4DA40 3RV2021-4DA10
Circuit breaker size S0 for motor protection, CLASS 10 A-release 18...25 A N-release 325 A ring cable lug connection Standard switching capacity Circuit breaker size S0 for motor protection, CLASS 10 A-release 18...25 A N-release 325 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 10.5 W
● at AC in hot operating state per pole 3.5 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
Weight 0.358 kg 0.369 kg
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 %
Environmental footprint
Global Warming Potential [CO2 eq] total 75.078 kg
Global Warming Potential [CO2 eq] during manufacturing 2.68 kg
global warming potential [CO2 eq] during sales 0.143 kg
Global Warming Potential [CO2 eq] during operation 72.7 kg
Global Warming Potential [CO2 eq] after end of life -0.445 kg
Siemens Eco Profile (SEP) Siemens EcoTech
Main circuit
number of poles for main current circuit 3
adjustable current response value current of the current-dependent overload release 18 ... 25 A
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 25 A
operational current
● at AC-3 at 400 V rated value 25 A
● at AC-3e at 400 V rated value 25 A
operating power
● at AC-3
— at 230 V rated value 5.5 kW
— at 400 V rated value 11 kW
— at 500 V rated value 15 kW
— at 690 V rated value 22 kW
● at AC-3e
— at 230 V rated value 5.5 kW
— at 400 V rated value 11 kW
— at 500 V rated value 15 kW
— at 690 V rated value 22 kW
operating frequency
● at AC-3 maximum 15 1/h
● at AC-3e maximum 15 1/h
Auxiliary circuit
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 325 A
UL/CSA ratings
full-load current (FLA) for 3-phase AC motor
● at 480 V rated value 25 A
● at 600 V rated value 25 A
yielded mechanical performance [hp]
● for single-phase AC motor
— at 110/120 V rated value 2 hp
— at 230 V rated value 3 hp
● for 3-phase AC motor
— at 200/208 V rated value 5 hp
— at 220/230 V rated value 7.5 hp
— at 460/480 V rated value 15 hp
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 50 A
● at 690 V gL/gG 50 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
General Product Approval
CCC CCC
Yes Yes
EU declaration of conformity EU declaration of conformity Yes Yes
Confirmation Yes Yes
UK Declaration of Conformity UK Declaration of Conformity
Yes Yes
UL UL
Yes Yes
KC Yes Yes
EAC EAC
Yes Yes
For use in hazardous locations
ATEX ATEX Yes Yes
IECEx IECEx
Yes Yes
Test Certificates
Special Test Certificate Yes Yes
Type Test Certificates/Test Report Yes Yes
Marine / Shipping
ABS (American Bureau of Shipping) ABS (American Bureau of Shipping)
Yes Yes
BV (Bureau Veritas) BV (Bureau Veritas) Yes Yes
DNV (Det Norske Veritas) DNV (Det Norske Veritas) Yes Yes
LR (Lloyds Register) LR (Lloyds Register) 
Yes Yes
PRS (Polski Register of Shipping) PRS (Polski Register of Shipping) Yes Yes
RINA (Registro Italiano Navale) RINA (Registro Italiano Navale) Yes Yes
other
Miscellaneous Yes Yes
Confirmation Yes Yes
Miscellaneous Miscellaneous
Yes Yes
Railway
Special Test Certificate Yes Yes
Confirmation Yes Yes
Environment
EPD Typ II/III (with life cylce assessment) EPD Typ II/III (with life cylce assessment) Yes Yes
Siemens EcoTech Profile (SEP) Siemens EcoTech Profile (SEP) Yes Yes
Environmental Confirmations Yes Yes
Further information
Information on the packaging
Information- and Downloadcenter (Catalogs, Brochures,…)
Industry Mall (Online ordering system)
Cax online generator
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
Characteristic: Tripping characteristics, I²t, Let-through current
Further characteristics (e.g. electrical endurance, switching frequency)
3RV2021-4DA40 3RV2021-4DA10
3RV2021-4DA40 3RV2021-4DA10
3RV2021-4DA40 3RV2021-4DA10
last modified: 11/6/2024
Date
11/10/2024
Subject to change without notice
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