3RF2405-1BD04
SOLID-STATE CONT. 3-PHASE 3RF2

From SIEMENS

Solid-state contactor 3-phase 3RF2 AC 53 / 5.4 A / 40 °C 48-480 V / 24 V DC Reversing circuit Instantaneous switching screw terminal
General technical data
Product brand nameSIRIUS
Product designationsolid-state reversing contactor
Product functionreversing switch
Number of poles for main current circuit3
Protection class IPIP20
Ambient temperature
during operation°C-25 ... +60
during storage°C-55 ... +80
Installation altitude at height above sea level maximumm1 000
Vibration resistance acc. to IEC 60068-2-62g
Shock resistance acc. to IEC 60068-2-2715g / 11 ms
Reference code acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750K
Reference code acc. to DIN EN 61346-2Q
Number of NC contacts for auxiliary contacts0
Number of NO contacts for auxiliary contacts0
Number of CO contacts for auxiliary contacts0
Main circuit
Number of NO contacts for main contacts2
Number of NC contacts for main contacts0
Operating current
minimummA500
Derating temperature°C40
Power loss [W] total typicalW9
Reverse current of the thyristormA10
Surge current resistance rated valueA600
I2t value maximumA²·s1 800
Operating power at AC-3 at 400 V rated valuekW2.2
Operating voltage at AC
at 50 Hz rated valueV48 ... 480
at 60 Hz rated valueV48 ... 480
Operating range relative to the operating voltage at AC
at 50 HzV40 ... 506
at 60 HzV40 ... 506
Operating frequency rated valueHz50 ... 60
Relative symmetrical tolerance of the operating frequency%10
Insulation voltage rated valueV600
Rate of voltage rise at the thyristor for main contacts maximum permissibleV/µs500
Blocking voltage at the thyristor for main contacts maximum permissibleV1 200
Short-circuit protection, design of the fuse link
Control circuit/ Control
Type of voltage of the control supply voltageDC
Control supply voltage 1
at DCV15 ... 24
Control supply voltage
at DC initial value for signal <1> detectionV15
at DC Full-scale value for signal<0> recognitionV5
Symmetrical line frequency toleranceHz5
Control current
at minimum control supply voltage
— at DCmA2
at DC rated valuemA15
Installation/ mounting/ dimensions
Mounting typescrew and snap-on mounting onto 35 mm standard mounting rail
Mounting type Side-by-side mountingYes
Design of the thread of the screw for securing the equipmentM4
Tightening torque of the screw for securing the equipmentN·m1.5
Widthmm45
Heightmm95
Depthmm114.3
Connections/Terminals
Type of electrical connection for main current circuitscrew-type terminals
Design of the thread of the connection screw for main contactsM4
Tightening torque for main contacts with screw-type terminalsN·m2 ... 2.5
Tightening torque [lbf·in] for main contacts with screw-type terminalslbf·in18 ... 22
Type of connectable conductor cross-sections
for main contacts
— solid2x (1.5 ... 2.5 mm²), 2x (2.5 ... 6 mm²)
— finely stranded
— with core end processing2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm²
at AWG conductors
— for main contacts2x (14 ... 10)
— for auxiliary and control contacts1x (AWG 20 ... 12)
for auxiliary and control contacts
— solid1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.0 mm²)
— finely stranded
— with core end processing1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.0 mm²)
— without core end processing1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.0 mm²)
Connectable conductor cross-section
for main contacts
— single or multi-strandedmm²1.5 ... 6
— finely stranded
— with core end processingmm²1 ... 10
for auxiliary and control contacts
— solidmm²0.5 ... 2.5
— finely stranded
— with core end processingmm²0.5 ... 2.5
— without core end processingmm²0.5 ... 2.5
AWG number as coded connectable conductor cross section
for main contacts14 ... 10
for auxiliary and control contacts20 ... 12
Type of electrical connection for auxiliary and control current circuitscrew-type terminals
Design of the thread of the connection screw of the auxiliary and control contactsM3
Wire stripping length of the cable
for main contactsmm10
for auxiliary and control contactsmm7
Tightening torque for auxiliary and control contacts with screw-type terminalsN·m0.5 ... 0.6
Tightening torque [lbf·in] for auxiliary and control contacts with screw-type terminalslbf·in7.5 ... 5.3

External links