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Siemens 3RS2900-2AA30

Name: 3RS2900-2AA30
Brand: Siemens
SKU: 3RS2900-2AA30
Availability: LimitedAvailability

MPN3RS2900-2AA30

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Sensor extension module for 3RS26/8 Temperature monitoring relay, 2 sensors, sensor status relay, analog input, 22.5 mm width, 24 V AC/DC, spring-type terminals (push-in)

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Siemens 3RS2900-2AA30 datasheet (PDF)

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

3RS2900-2AA30 — Identification
Parameter	Value
Product designation	Sensor extension module

3RS2900-2AA30 — Timing
Parameter	Value
At 24 V	1 A
Influence of ambient temperature	0.05% per K deviation from T20

3RS2900-2AA30 — Electrical
Parameter	Value
Control supply voltage type (AC/DC)	AC/DC
At 50 Hz	24 ... 24 V
At 60 Hz	24 ... 24 V
Initial value	0.85
Full-scale value	1.1

3RS2900-2AA30 — Output / Contacts
Parameter	Value
At 250 V	0.1 A
At 125 V	0.2 A

3RS2900-2AA30 — Environmental
Parameter	Value
Operating temperature range	-25 ... +60 °C
Storage temperature range	-40 ... +85 °C
Transport temperature range	-40 ... +85 °C
Operating humidity range	70 %
IP protection rating	20
Pollution degree	3
Max. installation altitude	2 000 m
Shock resistance (IEC 60068-2-27)	11g / 15 ms
Vibration resistance (IEC 60068-2-6)	10 ... 55 Hz: 0.35 mm
ESD immunity (IEC 61000-4-2)	6 kV contact discharge / 8 kV air discharge
Burst immunity (IEC 61000-4-4)	2 kV (power ports), 1 kV (signal ports)

3RS2900-2AA30 — Mechanical
Parameter	Value
Fastening method	screw and snap-on mounting onto 35 mm DIN rail
Mounting position	any
Removable terminals	Yes
Width	22.5 mm
Height	100 mm
Depth	90 mm
Wire range, solid (AWG)	20 ... 12
Wire range, stranded (AWG)	20 ... 12
Wire range, finely stranded w/ ferrule (mm²)	0.5 ... 2.5 mm²
Clearance, rear	0 mm
Clearance, front	0 mm
Clearance, sides	0 mm
Clearance, top	0 mm
Clearance, bottom	0 mm