3RM1302-3AA04
REV. STARTER 0.4-2.0A, 24V SAFETY PUSH

From SIEMENS

Motor starter SIRIUS 3RM1 Reversing starter SAFETY 500 V; 0.4 - 2.0 A; 24 V DC Control circuit push-in Main circuit screw terminal
Product brand nameSIRIUS
Product categoryMotor starter
Product designationFailsafe reversing starters
Design of the productWith electronic overload protection and safety-related disconnection
Product type designation3RM1
General technical data
Trip classCLASS 10A
Product function
Intrinsic device protectionYes
Suitability for operation Device connector 3ZY12Yes
Power loss [W] typical0.3 W
Insulation voltage
rated value500 V
Surge voltage resistance rated value6 kV
maximum permissible voltage for safe isolation
between main and auxiliary circuit500 V
between control and auxiliary circuit250 V
Protection class IPIP20
Shock resistance6g / 11 ms
Operating frequency maximum1 1/s
Mechanical service life (switching cycles)
typical30 000 000
Reference code acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750Q
Reference code acc. to DIN EN 81346-2Q
Reference code acc. to DIN EN 61346-2Q
Product function
direct startNo
reverse startingYes
Product function Short circuit protectionNo
Electromagnetic compatibility
Conducted interference
due to burst acc. to IEC 61000-4-43 kV / 5 kHz
due to conductor-earth surge acc. to IEC 61000-4-54 kV signal lines 2 kV
due to conductor-conductor surge acc. to IEC 61000-4-52 kV
due to high-frequency radiation acc. to IEC 61000-4-610 V
Electrostatic discharge acc. to IEC 61000-4-26 kV contact discharge / 8 kV air discharge
Conducted HF-interference emissions acc. to CISPR11Class B for the domestic, business and commercial environments
Field-bound HF-interference emission acc. to CISPR11Class B for the domestic, business and commercial environments
Safety related data
Safety device type acc. to IEC 61508-2Type B
Safety Integrity Level (SIL) acc. to IEC 615083
Performance level (PL) acc. to EN ISO 13849-1e
Category acc. to EN ISO 13849-14
Stop category acc. to DIN EN 60204-10
Safe failure fraction (SFF)99.4 %
Average diagnostic coverage level (DCavg)99 %
Diagnostics test interval by internal test function maximum600 s
Function test interval maximum1 y
Failure rate [FIT]
at rate of recognizable hazardous failures (λdd)1 400 FIT
at rate of non-recognizable hazardous failures (λdu)16 FIT
PFHD with high demand rate acc. to EN 620610.00000002 1/h
PFDavg with low demand rate acc. to IEC 615080.000018
MTTFd75 y
Hardware fault tolerance acc. to IEC 615081
T1 value for proof test interval or service life acc. to IEC 6150820 y
Safe stateLoad circuit open
Protection against electrical shockfinger-safe
Off-delay time with safety-related request when switched off via control inputs maximum43 ms
Off-delay time with safety-related request when switched off via supply voltage maximum120 ms
Hardware fault tolerance acc. to IEC 61508 relating to ATEX0
PFDavg with low demand rate acc. to IEC 61508 relating to ATEX0.0005
PFHD with high demand rate acc. to EN 62061 relating to ATEX0.00000005 1/h
Safety Integrity Level (SIL) acc. to IEC 61508 relating to ATEXSIL2
T1 value for proof test interval or service life acc. to IEC 61508 relating to ATEX3 y
Main circuit
Number of poles for main current circuit3
Adjustable pick-up value current of the current-dependent overload release0.4 ... 2 A
Minimum load [%]20 %
Type of the motor protectionsolid-state
Operating voltage
rated value48 ... 500 V
Relative symmetrical tolerance of the operating voltage10 %
Operating frequency 1 rated value50 Hz
Operating frequency 2 rated value60 Hz
Relative symmetrical tolerance of the operating frequency10 %
Operating current
at AC at 400 V rated value2 A
at AC-53a at 400 V at ambient temperature 40 °C rated value2 A
Ampacity when starting maximum16 A
Operating power for three-phase motors at 400 V at 50 Hz0.09 ... 0.75 kW
Inputs/ Outputs
Input voltage at digital input
at DC rated value24 V
with signal <0> at DC0 ... 5 V
for signal <1> at DC15 ... 30
Input current at digital input
with signal <0> typical0.001 A
for signal <1> typical0.008 A
Input current at digital input
for signal <1> at DC8 mA
with signal <0> at DC1 mA
Number of CO contacts for auxiliary contacts1
Operating current of auxiliary contacts at AC-15 at 230 V maximum3 A
Operating current of auxiliary contacts at DC-13 at 24 V maximum1 A
Control circuit/ Control
Type of voltage of the control supply voltageDC
Control supply voltage 1
at DC rated value24 V
Operating range factor control supply voltage rated value at DC
initial value0.8
Full-scale value1.25
Control current at DC
in standby mode13 mA
when switching on150 mA
during operation57 mA
Response times
Switch-on delay time65 ... 76 ms
Off-delay time30 ... 43 ms
Installation/ mounting/ dimensions
Mounting positionvertical, horizontal, standing (observe derating)
Mounting typescrew and snap-on mounting onto 35 mm standard mounting rail
Height100 mm
Width22.5 mm
Depth141.6 mm
Required spacing
with side-by-side mounting
— forwards0 mm
— Backwards0 mm
— upwards50 mm
— downwards50 mm
— at the side0 mm
for grounded parts
— forwards0 mm
— Backwards0 mm
— upwards50 mm
— at the side3.5 mm
— downwards50 mm
Ambient conditions
Installation altitude at height above sea level
maximum2 000 m
Ambient temperature
during operation-25 ... +60 °C
during storage-40 ... +70 °C
during transport-40 ... +70 °C
Relative humidity during operation10 ... 95 %
Air pressure
acc. to SN 31205900 ... 1 060 hPa
Communication/ Protocol
Product function Bus communicationNo
Connections/Terminals
Type of electrical connectionscrew-type terminals for main circuit, PUSH-IN connection (spring-loaded connection) for control circuit
for main current circuitscrew-type terminals
for auxiliary and control current circuitPUSH-IN connection (spring-loaded connection)
Type of connectable conductor cross-sections
for main contacts
— solid1x (0,5 ... 4 mm²), 2x (0,5 ... 2,5 mm²)
— finely stranded with core end processing1x (0,5 … 4 mm²), 2x (0,5 … 1,5 mm²)
at AWG conductors for main contacts1x (20 ... 12), 2x (20 ... 14)
Connectable conductor cross-section for main contacts
single or multi-stranded0.5 ... 4 mm²
finely stranded with core end processing0.5 ... 4 mm²
Connectable conductor cross-section for auxiliary contacts
single or multi-stranded0.5 ... 1.5 mm²
finely stranded with core end processing0.5 ... 1 mm²
finely stranded without core end processing0.5 ... 1.5 mm²
Type of connectable conductor cross-sections
for auxiliary contacts
— solid1x (0.5 ... 1.5 mm²), 2x (0.5 ... 1.5 mm²)
— finely stranded with core end processing1x (0,5 ... 1,0 mm²), 2x (0,5 ... 1,0 mm²)
— finely stranded without core end processing1x (0.5 ... 1.5 mm²), 2x (0.5 ... 1.5 mm²)
at AWG conductors for auxiliary contacts1x (20 ... 16), 2x (20 ... 16)
AWG number as coded connectable conductor cross section
for main contacts20 ... 12
for auxiliary contacts20 ... 16
UL/CSA ratings
Full-load current (FLA) for three-phase AC motor
at 480 V rated value2 A
Yielded mechanical performance [hp]
for single-phase AC motor
— at 230 V rated value0.125 hp
for three-phase AC motor
— at 200/208 V rated value0.333 hp
— at 220/230 V rated value0.333 hp
— at 460/480 V rated value0.75 hp

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