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Siemens 3RF2920-0FA08

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Siemens 3RF2920-0FA08

***phase-out type*** load monitoring basis current range 20 A / 40 °C control voltage 24 V DC output NO for semiconductor relay/contactor

SiemensMFR # 3RF2920-0FA08SKU # CEY-937FC780C1C0
product brand nameSIRIUS
product designationload monitoring, basis
product type designation3RF29
without load current share typical0.6 W
insulation voltage rated value600 V
degree of pollution3
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About This Product

***phase-out type*** load monitoring basis current range 20 A / 40 °C control voltage 24 V DC output NO for semiconductor relay/contactor

Siemens 3RF2920-0FA08

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Specifications

product brand nameSIRIUS
product designationload monitoring, basis
product type designation3RF29
_1 of the accessories that can be ordered3RF2900-0RA88
_1 of the accessories that can be orderedsealable end cover
General technical data
product functionfor 3RF21/23 solid-state relays/solid-state contactors
without load current share typical0.6 W
insulation voltage rated value600 V
degree of pollution3
protection class IPIP20
protection class IP on the front according to IEC 60529IP20
shock resistance according to IEC 60068-2-2715 g / 11 ms
vibration resistance according to IEC 60068-2-62 g
reference code according to IEC 81346-2B
Substance Prohibitance (day/month/year)05/01/2012
SVHC substance nameLead CAS-No. 7439-92-1 Lead monoxide (lead oxide) CAS-No. 1317-36-8 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-10-5 Melamine CAS-No. 108-78-1
Net Weight55.58 g
Main circuit
number of poles for main current circuit0
number of NO contacts for main contacts0
number of NC contacts for main contacts0
operating frequency rated value50 ... 60 Hz
relative symmetrical tolerance of the operating frequency10 %
at AC-51 rated value20 A
derating temperature40 °C
teach range current initial value0.65 A
teach range current full-scale value20 A
partial load for load monitoring0.65 A
Control circuit/ Control
type of voltageDC
control supply voltage at DC rated value18 ... 30 V
control supply voltage at DC full-scale value for signal<0> recognition5 V
at DC2 mA
control current at DC rated value25 mA
Auxiliary circuit
number of NC contacts for auxiliary contacts0
number of NO contacts for auxiliary contacts0
number of CO contacts for auxiliary contacts0
Installation/ mounting/ dimensions
fastening method side-by-side mountingYes
fastening methodclip-on
height101.5 mm
width22.5 mm
depth67 mm
Connections/ Terminals
for auxiliary and control circuitscrew-type terminals
— solid1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1 mm²)
— finely stranded with core end processing1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1 mm²)
— finely stranded without core end processing1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1 mm²)
for AWG cables for auxiliary and control contacts1x (20 ... 12)
tightening torque for auxiliary and control contacts with screw-type terminals0.5 ... 0.6 N·m
tightening torque [lbf·in] for auxiliary and control contacts with screw-type terminals4.5 ... 5.3 lbf·in
design of the thread of the connection screw of the auxiliary and control contactsM3
stripped length of the cable for auxiliary and control contacts7 mm
Electrical Safety
touch protection on the front according to IEC 60529finger-safe, for vertical contact from the front
Ambient conditions
installation altitude at height above sea level maximum1 000 m
during operation-25 ... +60 °C
during storage-55 ... +80 °C
Electromagnetic compatibility
due to burst according to IEC 61000-4-42 kV / 5 kHz, behavior criterion 2
due to conductor-earth surge according to IEC 61000-4-52 kV, behavior criterion 2
due to conductor-conductor surge according to IEC 61000-4-51 kV, behavior criterion 2
due to high-frequency radiation according to IEC 61000-4-6140 dBuV in the frequency range 0.15 ... 80 MHz, behavior criterion 1
electrostatic discharge according to IEC 61000-4-24 kV contact discharging / 8 kV air discharging, behavior criterion 2
conducted HF interference emissions according to CISPR11Class A for industrial environment
field-bound HF interference emission according to CISPR11Class B for the domestic, business and commercial environments

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