# Solid State Relay, 3 A, 280 VAC, Socket, Plug In ![Product image](https://novapart.co/image/farnell:3258050/) **URL**: https://novapart.co/products/2903231/solid-state-relay-3-a-280-vac-socket-plug-in **SKU**: 2903231 **Manufacturer**: PHOENIX CONTACT **Price**: €66.7400 **Stock**: 10+ **Lead Time**: 120 days (indicative) ## Specifications | Parameter | Value | |---|---| | Svhc | Hexahydromethylphthalic anhydride [1], Hexahydro-4-methylphthalic anhydride [2], Hexahydro-1-methylphthalic anhydride[3] (04-Feb-2026) | | Load Current | 3A | | Product Range | ST-OV3 Series | | Relay Mounting | Socket | | Switching Mode | - | | Relay Terminals | Plug In | | Control Voltage Max | 28.8VDC | | Control Voltage Min | 19.2VDC | | Contact Configuration | - | | Operating Voltage Max | 280VAC | | Operating Voltage Min | 24VAC | ## Datasheet 📄 [Download PDF](https://novapart.co/datasheet/farnell:3258050/) https://www.phoenixcontact.com/us/products/2903231 ## Solid-state relays - ST-OV3- 24DC/240AC/3 - 2903231 Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid (http://phoenixcontact.com/download) Plug-in power solid-state relay, with LED and protective circuit in input and output circuits, input: 24 V DC, output: 24 - 280 V AC/max. 3 A, can be plugged into basic terminal blocks The illustration shows version ST-OV 3- 5 DC/240 AC/3 Key commercial data Packing unit 1 pc ~~|~~ GTIN ~~I |~~ Weight per Piece (excluding packing) 56.59 GRM ~~QO~~ Custom tariff number 85364190 Country of origin Germany ~~Pe~~ ## Technical data ## Dimensions |Width|20.8 mm| |---|---| |Height|33 mm| |Depth|66.5 mm| |Ambient conditions|| |Ambient temperature (operation)|-20 °C ... 60 °C| |Ambient temperature (storage/transport)|-20 °C ... 70 °C| |Input data|| |Nominal input voltage UN|24 V DC ±20 %| |Switching threshold "0" signal in reference to UN|≤ 0.4| |Switching threshold "1" signal in reference to UN|≥ 0.8| |Typical input current at UN|7 mA| 10/10/2014 Page 1 / 5 https://www.phoenixcontact.com/us/products/2903231 ## Solid-state relays - ST-OV3- 24DC/240AC/3 - 2903231 |Technical data| |---| |Input data| |Typical response time
switch-on time: Max. one half cycle - zero-voltage crossing
Typical turn-off time
switch-off time Max. one half cycle - zero-current crossing
Operating voltage display
Yellow LED
Type of protection
Protection against polarity reversal
Protective circuit/component
Polarity protection diode
Transmission frequency
25 Hz
~~——~~| |Output data| |Output voltage range
24 V AC ... 280 V AC
Limiting continuous current
3 A (see derating curve)
Min. load current
50 mA
Leakage current
5 mA (in off state - components with low minimum load and leakage
currents on request.)
Surge current
35 A (t = 10 ms)
Max. load value
6 A
2s (I
2x t at t = 8.3 ms)
Peak offstate voltage
600 V
Voltage drop at max. limiting continuous current
1.5 V
Output circuit
2-wire, floating
Protective circuit/component
RC element
General
Test voltage input/output
2.5 kV AC
Mounting position
any
Standards/regulations
DIN VDE 0110
~~=~~| |Classifications| |eCl@ss
eCl@ss 4.0
27371102
eCl@ss 4.1
27371102
eCl@ss 5.0
27371001
eCl@ss 5.1
27371001
eCl@ss 6.0
27371001
eCl@ss 7.0
27371001
eCl@ss 8.0
27371001
ETIM
ETIM 2.0
EC001504
ETIM 3.0
EC001504
~~—e~~| |10/10/2014 Page 2 / 5| https://www.phoenixcontact.com/us/products/2903231 ## Solid-state relays - ST-OV3- 24DC/240AC/3 - 2903231 ## Classifications |Classifications|Classifications| |---|---| |ETIM
ETIM 4.0
EC001504
ETIM 5.0
EC001504
~~ee~~|| |UNSPSC|| |UNSPSC 6.01|30211916| |UNSPSC 7.0901|39121542| |UNSPSC 11|39121542| |UNSPSC 12.01|39121542| |UNSPSC 13.2|39121542| ## Approvals Approvals Approvals GOST / GOST Ex Approvals Approvals submitted ## Approval details GOST GOST ## Drawings 10/10/2014 Page 3 / 5 https://www.phoenixcontact.com/us/products/2903231 ## Solid-state relays - ST-OV3- 24DC/240AC/3 - 2903231 **==> picture [363 x 112] intentionally omitted <==** **----- Start of picture text -----**
Diagram Circuit diagram
3 1 is 1 ]
2
5oO 2 2
io
3 1 1
0
20 30 40 50 60
Ambient temperature [°C]
1 In rows with zero spacing
2 stand-alone device
**----- End of picture text -----**
10/10/2014 Page 4 / 5 https://www.phoenixcontact.com/us/products/2903231 ## Solid-state relays - ST-OV3- 24DC/240AC/3 - 2903231 **==> picture [62 x 9] intentionally omitted <==** **----- Start of picture text -----**
Circuit diagram
**----- End of picture text -----**
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