Siemens Solid State Relay, 20 A Load, Panel Mount, 230 V Load, 24 V dc Control

RS Stock No.:: 472-9042
Mfr. Part No.:: 3RF2120-1AA02
Brand:: Siemens

Siemens Solid State Relay, 20 A Load, Panel Mount, 230 V Load, 24 V dc Control

8 in Global stock for delivery within 7 working day (+3 days for regional areas).

9 in Global stock for delivery within 7 working day (+3 days for regional areas).

Added

Price (ex. GST) Each

$97.86

(exc. GST)

$112.54

(inc. GST)

Units	Per unit
1 +	$97.86

RS Stock No.:: 472-9042
Mfr. Part No.:: 3RF2120-1AA02
Brand:: Siemens

Technical data sheets

Legislation and Compliance

COO (Country of Origin):: DE

Product Details

3RF21 Series

Compact space-saving design, 22mm width
Zero-cross switching
IP20
Mount onto existing heatsinks
Efficient thyristors with high reverse voltage
Screw connections for fast and simple connection
Self-contained unit
Isolation voltage 600Vac
Frequency 50 / 60Hz

Note

Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet

Zero Voltage Relays

Note

Temperature can affect current rating; please consult the data sheet for potential derating.

Specifications

Attribute	Value
Maximum Load Current	20 A
Mounting Type	Panel Mount
Maximum Load Voltage	230 V
Minimum Load Voltage	24 V
Maximum Control Voltage	24 V dc
Minimum Control Voltage	15 V dc
Switching Type	Zero Crossing
Control Voltage Range	15 → 24 V dc
Minimum Load Current	0.1 A
Contact Configuration	SPST
Terminal Type	Screw
Output Device	Thyristor
Maximum Turn On Time	1 (+1/2 cycle) ms
Load Voltage Range	24 → 230V
Dimensions	22.5 x 48 x 85mm
Height	85mm
Off State Leakage Current	10 mA
Length	22.5mm
Operating Temperature Range	-25 → +60°C
Minimum Operating Temperature	-25°C
Maximum Operating Temperature	+60°C
Depth	48mm