2966650

Solid State Relay, SPST-NO, 3 A, 33 VDC, DIN Rail, Screw, Zero Crossing

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: PHOENIX CONTACT
Product type:
SVHC: Hexahydromethylphthalic anhydride [1], Hexahydro-4-methylphthalic anhydride [2], Hexahydro-1-methylphthalic anhydride[3] (04-Feb-2026)
Load Current: 3A
Product Range: PLC-INTERFACE Series
Relay Mounting: DIN Rail
Switching Mode: Zero Crossing
Relay Terminals: Screw
Control Voltage Max: 132VAC
Control Voltage Min: 108VAC
Contact Configuration: SPST-NO
Operating Voltage Max: 33VDC
Operating Voltage Min: 3V

Delivery and price
Units per pack	20
Price	26.51 €
Current stock	10+
Lead time	30 days

Datasheet

https://www.phoenixcontact.com/us/products/2966650 

## Solid-state relay module - PLC-OSC-120UC/ 24DC/ 2 - 2966650 

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) 

PLC-INTERFACE, consisting of PLC-BSC…/21 basic terminal block with screw connection and plug-in miniature solid-state relay, for mounting on DIN rail NS 35/7,5, 1 N/O contact, input: 120 V AC/110 V DC, output: 3 - 33 V DC/3 A 

The illustration shows the version PLC-BSC- 24DC/21 

## Product Features 

Slim design 

Efficient connection to system cabling using V8 adapter 

- RT III sealed solid-state relay 

- Functional plug-in bridges 

Zero voltage switch at AC output 

High switching power 

Integrated input circuit 

## Key commercial data 

~~Pee~~ Packing unit 1 pc GTIN ~~«CT Paes~~ Weight per Piece (excluding packing) ~~ee~~ 38.0 GRM ~~Paes~~ Custom tariff number ~~ae~~ 85364900 ~~Pee~~ Country of origin Germany 

## Technical data 

Note 

EMC: class A product, see manufacturer's declaration in the download Utilization restriction area ~~ns~~ 

Dimensions 

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https://www.phoenixcontact.com/us/products/2966650 

## Solid-state relay module - PLC-OSC-120UC/ 24DC/ 2 - 2966650 

## Technical data 

## Dimensions 

|Width|6.2 mm|
|---|---|
|Height|80 mm|
|Depth|94 mm|
|Ambient conditions||
|Ambient temperature (operation)|-25 °C ... 60 °C|
|Ambient temperature (storage/transport)|-25 °C ... 70 °C|
|Input data||
|Nominal input voltage UN|120 V AC (110 V DC)|
||110 V DC|
|Input voltage range in reference to UN|0.9 ... 1.1|
|Switching threshold "0" signal in reference to UN|≤ 0.3|
|Switching threshold "1" signal in reference to UN|≥ 0.8|
|Typical input current at UN|3.5 mA|
|Typical response time|3.5 ms (at UN)|
|Typical turn-off time|7 ms (at UN)|
|Operating voltage display|Yellow LED|
|Type of protection|Bridge rectifier|
|Protective circuit/component|Bridge rectifier|
|Transmission frequency|10 Hz|
|Output data||
|Output voltage range|3 V DC ... 33 V DC|
|Limiting continuous current|3 A (see derating curve)|
|Maximum inrush current|15 A (10 ms)|
|Voltage drop at max. limiting continuous current|≤ 200 mV|
|Output circuit|2-wire, floating|
|Type of protection|Protection against polarity reversal|
||Surge protection|
|Protective circuit/component|Polarity protection diode|
|Connection data||
|Connection method<br>Screw connection<br>Stripping length<br>8 mm<br>Screw thread<br>M3<br>Conductor cross section solid min.<br>0.14 mm²<br>Conductor cross section solid max.<br>2.5 mm²<br>Conductor cross section stranded min.<br>0.14 mm²<br>~~SS~~||
||10/10/2014   Page 2 / 10|



https://www.phoenixcontact.com/us/products/2966650 

## Solid-state relay module - PLC-OSC-120UC/ 24DC/ 2 - 2966650 

## Technical data 

|Conductor cross section stranded max.<br>Conductor cross section AWG/kcmil min.<br>Conductor cross section AWG/kcmil max<br>General<br>~~———~~|2.5 mm²<br>26<br>14<br>~~———~~|
|---|---|
|Test voltage input/output|2.5 kV (50 Hz, 1 min.)|
|Mounting position|any|
|Assembly instructions|In rows with zero spacing|
|Operating mode|100% operating factor|
|Inflammability class according to UL 94|V0|
|Designation|Standards/regulations|
|Standards/regulations|IEC 60664|
||EN 50178|
||IEC 62103|
|Rated surge voltage / insulation|Basic insulation|
|Pollution degree|2|
|Surge voltage category|III|



## Classifications 

## eCl@ss 

|eCl@ss 4.0|eCl@ss 4.0|27371102|
|---|---|---|
|eCl@ss 4.1|eCl@ss 4.1|27371102|
|eCl@ss 5.0|eCl@ss 5.0|27371001|
|eCl@ss 5.1|eCl@ss 5.1|27371001|
|eCl@ss 6.0|eCl@ss 6.0|27371001|
|eCl@ss 7.0|eCl@ss 7.0|27371001|
|eCl@ss 8.0|eCl@ss 8.0|27371001|



## ETIM 

|ETIM 2.0|EC001504|
|---|---|
|ETIM 3.0|EC001504|
|ETIM 4.0|EC001504|
|ETIM 5.0|EC001504|
|UNSPSC<br>UNSPSC 6.01<br>30211916<br>UNSPSC 7.0901<br>39121542<br>~~er~~||



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https://www.phoenixcontact.com/us/products/2966650 

## Solid-state relay module - PLC-OSC-120UC/ 24DC/ 2 - 2966650 

## Classifications 

UNSPSC UNSPSC 11 39121542 UNSPSC 12.01 39121542 UNSPSC 13.2 39121542 ~~————————————~~ 

## Approvals 

## Approvals 

## Approvals 

UL Recognized / UL Listed / cUL Recognized / GOST / cUL Listed / GL / cULus Recognized / cULus Listed 

Ex Approvals 

## Approvals submitted 

Approval details 

UL Recognized ~~ow~~ UL Listed cUL Recognized 

GOST ~~pe~~ 

cUL Listed 

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https://www.phoenixcontact.com/us/products/2966650 

## Solid-state relay module - PLC-OSC-120UC/ 24DC/ 2 - 2966650 

Approvals 

GL ~~ee~~ 

cULus Recognized cULus Listed 

## Accessories 

Accessories Bridge Continuous plug-in bridge - FBST 500-PLC RD - 2966786 Continuous plug-in bridge, Length: 500 mm, Color: red 

Continuous plug-in bridge - FBST 500-PLC BU - 2966692 Continuous plug-in bridge, Length: 500 mm, Color: blue Continuous plug-in bridge - FBST 500-PLC GY - 2966838 Continuous plug-in bridge, Length: 500 mm, Color: gray 

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https://www.phoenixcontact.com/us/products/2966650 

## Solid-state relay module - PLC-OSC-120UC/ 24DC/ 2 - 2966650 

## Accessories 

Single plug-in bridge - FBST 6-PLC RD - 2966236 

Single plug-in bridge, Length: 6 mm, Number of positions: 2, Color: red 

Single plug-in bridge - FBST 6-PLC BU - 2966812 

Single plug-in bridge, Length: 6 mm, Number of positions: 2, Color: blue ~~Se~~ Single plug-in bridge - FBST 6-PLC GY - 2966825 Single plug-in bridge, Length: 6 mm, Number of positions: 2, Color: gray = Single plug-in bridge - FBST 8-PLC GY - 2967688 Single plug-in bridge, Length: 8 mm, Number of positions: 2, Color: gray 

## Labeled terminal marker Zack marker strip - ZB 6,LGS:FORTL.ZAHLEN - 1051016 

Zack marker strip, Strip, white, labeled, can be labeled with: Plotter, Printed horizontally: Consecutive numbers 1 - 10, 11 - 20, etc. up to 491 - 500, Mounting type: Snap into tall marker groove, for terminal block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm 

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https://www.phoenixcontact.com/us/products/2966650 

## Solid-state relay module - PLC-OSC-120UC/ 24DC/ 2 - 2966650 

## Accessories 

## Mounting rail 

DIN rail perforated - NS 35/ 7,5 PERF 2000MM - 0801733 

DIN rail, material: steel galvanized and passivated with a thick layer, perforated, height 7.5 mm, width 35 mm, length: 2000 mm 

## DIN rail, unperforated - NS 35/ 7,5 CU UNPERF 2000MM - 0801762 

DIN rail, material: Copper, unperforated, height 7.5 mm, width 35 mm, length: 2 m 

## DIN rail, unperforated - NS 35/15 UNPERF 2000MM - 1201714 

DIN rail, material: Steel, unperforated, height 15 mm, width 35 mm, length: 2 m 

## DIN rail, unperforated - NS 35/15 CU UNPERF 2000MM - 1201895 

DIN rail, material: Copper, unperforated, 1.5 mm thick, height 15 mm, width 35 mm, length: 2 m 

DIN rail, unperforated - NS 35/15-2,3 UNPERF 2000MM - 1201798 

DIN rail, material: Steel, unperforated, 2.3 mm thick, height 15 mm, width 35 mm, length: 2 m 

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https://www.phoenixcontact.com/us/products/2966650 

## Solid-state relay module - PLC-OSC-120UC/ 24DC/ 2 - 2966650 

## Accessories 

DIN rail, unperforated - NS 35/15 AL UNPERF 2000MM - 1201756 

DIN rail, deep drawn, high profile, unperforated, 1.5 mm thick, material: aluminum, height 15 mm, width 35 mm, length 2000 mm 

## DIN rail perforated - NS 35/15 PERF 2000MM - 1201730 

DIN rail, material: steel galvanized and passivated with a thick layer, perforated, height 15 mm, width 35 mm, length: 2000 mm 

## DIN rail, unperforated - NS 35/ 7,5 UNPERF 2000MM - 0801681 

DIN rail, material: Steel, unperforated, height 7.5 mm, width 35 mm, length: 2 m 

## DIN rail, unperforated - NS 35/ 7,5 V2A UNPERF 2000MM - 0801377 

DIN rail, unperforated, Width: 35 mm, Height: 7.5 mm, Length: 2000 mm, Color: silver 

## Partition plate 

## Separating plate - PLC-ATP BK - 2966841 

Separating plate, 2 mm thick, required at the start and end of a PLC terminal strip. Furthermore, it is used for: visual separation of groups, safe isolation of different voltages of neighboring PLC relays in acc. with DIN VDE 0106-101, isolation 

10/10/2014   Page 8 / 10 

https://www.phoenixcontact.com/us/products/2966650 

## Solid-state relay module - PLC-OSC-120UC/ 24DC/ 2 - 2966650 

## Accessories 

Power module Power terminal block - PLC-ESK GY - 2966508 Power terminal block, for the input of up to four potentials, for mounting on NS 35/7.5 . Relay socket Relay socket - PLC-BSC-120UC/21 - 2966032 6.2 mm PLC basic terminal block with screw connection, without relay or solid-state relay, for mounting on DIN rail NS 35/7,5, 1 PDT, input voltage 120 V AC/DC ~~eo~~ Screwdriver tools Screwdriver - SZF 1-0,6X3,5 - 1204517 

Actuation tool, for ST terminal blocks, also suitable for use as a bladed screwdriver, size: 0.6 x 3.5 x 100 mm, 2- component grip, with non-slip grip , Single solid-state relay Miniature solid-state relay - OPT-60DC/ 24DC/ 2 - 2966605 

Plug-in miniature solid-state relay, power solid-state relay, 1 N/O contact, input: 60 V DC, output: 3 - 33 V DC/3 A Terminal marking ~~a~~ 

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https://www.phoenixcontact.com/us/products/2966650 

## Solid-state relay module - PLC-OSC-120UC/ 24DC/ 2 - 2966650 

## Accessories 

Zack marker strip - ZB 6/WH-100:UNBEDRUCKT - 5060935 

Zack marker strip, Strip, white, unlabeled, can be labeled with: Plotter, Mounting type: Snap into tall marker groove, for terminal block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm 

## Zack marker strip - ZB 6:UNBEDRUCKT - 1051003 

Zack marker strip, Strip, white, unlabeled, can be labeled with: Plotter, Mounting type: Snap into tall marker groove, for terminal block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm 

## Drawings 

**==> picture [384 x 101] intentionally omitted <==**

**----- Start of picture text -----**<br>
Diagram Circuit diagram<br>ZX<br>3<br>2<br>S A2 13+<br>1<br>0 A1 14<br>10 20 30 40 50 60<br>**----- End of picture text -----**<br>


Phoenix Contact 2014 © - all rights reserved http://www.phoenixcontact.com 

10/10/2014   Page 10 / 10

Updated at June 5, 2026

Phoenix Contact is a global leader in industrial connection technology, automation systems, and electronic interface solutions. With decades of engineering heritage originating in Germany, the company develops robust components designed to ensure reliable power, data, and signal transmission across demanding manufacturing and industrial environments. The cornerstone of the Phoenix Contact portfolio is its industry-leading selection of connection technologies. The range features an exceptional variety of terminal blocks, including pluggable headers and sockets, highly reliable wire-to-board solutions, and versatile DIN rail terminal blocks. These foundational connectivity components are supported by a comprehensive ecosystem of power distribution blocks, interface modules, marking systems, and accessories engineered for seamless control cabinet wiring. Beyond physical connectivity, Phoenix Contact provides critical components for advanced automation, control, and system protection. The wider offering encompasses a broad spectrum of process controllers, high-efficiency AC/DC converters, and a comprehensive suite of power, safety, and solid-state relays. From precision signal converters and electronic circuit breakers to fiber optic cable assemblies, Phoenix Contact equips engineers with the high-performance technologies required to build secure, highly efficient, and future-ready industrial systems.

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