Name: SIRIUS 3RT2 - Solid-State Time-Delay Auxiliary Switch - Siemens Auxiliary Switches
SKU: 3RA2815-1FW10
Price: 127.16 USD
Availability: InStock

$ 127.16

SKU 3RA2815-1FW10 Category Siemens Auxiliary Switches

The auxiliary switches can be designed as positively driven contacts in 3RH contactor relays or also as mirror contacts in the case of 3RT power contactors.

Siemens Auxiliary Switch 3RA28 Product Specifications:

product brand name	SIRIUS
Article Number	3RA2815-1FW10
product designation	Solid-state time-delay auxiliary switch
product type designation	3RA28
General technical data
size of contactor can be combined company-specific	S00, S0, S2, S3
product component semi-conductor output	No
product extension required remote control	No
product extension optional remote control	No
insulation voltage for overvoltage category III according to	300 V
IEC 60664 with degree of pollution 3 rated value
test voltage for isolation test	1.5 kV
degree of pollution	3
surge voltage resistance rated value	4 kV
test voltage for surge voltage test	4 800 V
protection class IP of the terminal	IP20
shock resistance according to IEC 60068-2-27	15g / 11 ms
vibration resistance according to IEC 60068-2-6	10 … 59 Hz: 0.35 mm, 60 … 150 Hz: 2g
mechanical service life (switching cycles) typical	10 000 000
mechanical service life (switching cycles)
● with contactor 3R.2 of frame size S00	10 000 000
● with contactor 3R.2 of frame size S0	10 000 000
● with contactor 3R.2 of frame size S2	10 000 000
● with contactor 3R.2 of frame size S3	10 000 000
electrical endurance (switching cycles) at AC-15 at 230 V typical	100 000
electrical endurance (switching cycles)
● with contactor 3R.2 of frame size S00	100 000
● with contactor 3R.2 of frame size S0	100 000
● with contactor 3R.2 of frame size S2	100 000
● with contactor 3R.2 of frame size S3	100 000
adjustable time	0.05 … 100 s
relative setting accuracy relating to full-scale value	15%
minimum ON period	200 ms
recovery time	150 ms
reference code according to IEC 81346-2	K
relative repeat accuracy	1%
influence of the surrounding temperature	±1 %
power supply influence	±1 %
Substance Prohibitance (Date)	10/1/2009
Product Function
product function star-delta circuit	No
Control circuit/ Control
type of voltage of the control supply voltage	AC/DC
control supply voltage 1 at AC
● at 50 Hz	24 … 240 V
● at 60 Hz	24 … 240 V
control supply voltage frequency 1	50 … 60 Hz
control supply voltage 1
● at DC	24 … 240 V
operating range factor control supply voltage rated
value at DC
● initial value	0.85
● full-scale value	1.1
operating range factor control supply voltage rated
value at AC at 50 Hz
● initial value	0.85
● full-scale value	1.1
operating range factor control supply voltage rated
value at AC at 60 Hz
● initial value	0.85
● full-scale value	1.1
design of the surge suppressor with	with varistor
Switching Function
switching function
● ON-delay	No
● ON-delay/instantaneous contact	No
● passing make contact	No
● passing make contact/instantaneous contact	No
● OFF delay	Yes
switching function
● flashing symmetrically with interval start/instantaneous	No
● flashing symmetrically with interval start	No
● flashing symmetrically with pulse start/instantaneous	No
● flashing symmetrically with pulse start	No
● flashing asymmetrically with interval start	No
● flashing asymmetrically with pulse start switching function	No
switching function
● constant clock cycle with pulse start	No
● constant clock cycle with interval start switching function	No
switching function
● variably clocked with pulse start	No
● variably clocked with interval start switching function	No
switching function
● star-delta circuit with delay time	No
● star-delta circuit	No
switching function with control signal
● additive ON-delay	No
● passing break contact	No
● passing break contact/instantaneous	No
● OFF delay	No
● OFF delay/instantaneous	No
● pulse delayed	No
● pulse delayed/instantaneous	No
● pulse-shaping	No
● pulse-shaping/instantaneous	No
● additive ON-delay/instantaneous	No
● ON-delay/OFF-delay	No
● ON-delay/OFF-delay/instantaneous	No
● passing make contact	No
● passing make contact/instantaneous contact	No
switching function of interval relay with control signal
● retrotriggerable with deactivated control signal/instantaneous contact	No
● retrotriggerable with switched-on control signal	No
● retrotriggerable with switched-on control	No
signal/instantaneous contact
● retriggerable with deactivated control signal	No
design of the control terminal non-floating	No
Short-circuit protection
design of the fuse link for short-circuit protection of the auxiliary switch required	fuse gL/gG: 4 A
Auxiliary circuit
material of switching contacts	AgNi
number of NC contacts
● delayed switching	1
number of NO contacts
● delayed switching	1
operational current of auxiliary contacts at AC-15
● maximum	3 A
● at 24 V	3 A
● at 250 V	3 A
operational current of auxiliary contacts as NC contact at AC-15
● at 24 V	3 A
● at 250 V	3 A
operational current of auxiliary contacts as NO contact at AC-15
● at 24 V	3 A
● at 250 V	3 A
operational current of auxiliary contacts at DC-13	1 … 0.1
operational current of auxiliary contacts at DC-13
● at 24 V	1 A
● at 125 V	0.2 A
● at 250 V	0.1 A
operating frequency with 3RT2 contactor maximum	2 500 1/h
contact rating of auxiliary contacts according to UL	B300 / R300
Main circuit
type of voltage	AC/DC
Inputs/ Outputs
product function
● at the relay outputs switchover delayed/without	No
● non-volatile	No
Electromagnetic compatibility
EMC immunity according to IEC 61812-1	Environment A (industrial area)
conducted interference
● due to burst according to IEC 61000-4-4	2 kV network connection / 1 kV control connection
● due to conductor-earth surge according to IEC 61000-4-5	2 kV
● due to conductor-conductor surge according to IEC 61000-4-5	1 kV
field-based interference according to IEC 61000-4-3	10 V/m
electrostatic discharge according to IEC 61000-4-2	8 kV
Safety related data
protection class IP on the front according to IEC 60529	IP20
type of insulation	Basic insulation
category according to EN 954-1	none
Connections/ Terminals
product component removable terminal for auxiliary	Yes
and control circuit
type of electrical connection for auxiliary and control circuit	screw-type terminals
type of connectable conductor cross-sections
● solid	0.5 … 4 mm², 2x (0.5 … 2.5 mm²)
● finely stranded with core end processing	1x (0.5 … 2.5 mm²), 2x (0.5 … 1.5 mm²)
● at AWG cables solid	2x (20 … 14)
● at AWG cables stranded	2x (20 … 14)
connectable conductor cross-section
● solid	0.5 … 4 mm²
● finely stranded with core end processing	0.5 … 2.5 mm²
● finely stranded without core end processing	0.25 … 1.5 mm²
AWG number as coded connectable conductor cross
section
● solid	20 … 14
● stranded	20 … 14
Installation/ mounting/ dimensions
mounting position	any (like contactor)
fastening method	clip-on
height	38 mm
width	45 mm
depth	74 mm
required spacing
● with side-by-side mounting
— forwards	0 mm
— backwards	0 mm
— upwards	0 mm
— downwards	0 mm
— at the side	0 mm
● for grounded parts
— forwards	0 mm
— backwards	0 mm
— upwards	0 mm
— at the side	0 mm
— downwards	0 mm
● for live parts
— forwards	0 mm
— backwards	0 mm
— upwards	0 mm
— downwards	0 mm
— at the side	0 mm
Ambient conditions
installation altitude at height above sea level maximum	2 000 m
ambient temperature
● during operation	-25 … +60 °C
● during storage	-40 … +85 °C
● during transport	-40 … +85 °C
relative humidity during operation	0 … 95 %