https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
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
relay with multi-layer gold contact, for mounting on DIN rail NS 35/7,5, 1 PDT, input voltage 24 V AC/DC
Your advantages
Slim design
Efficient connection to system cabling using V8 adapter
Safe isolation according to DIN EN 50178 between coil and contact
RT III sealed relay
Functional plug-in bridges
Integrated input circuit and interference suppression circuit
Key Commercial Data
Packing unit
1 pc
GTIN
GTIN
4017918131029
Weight per Piece (excluding packing)
40.000 g
Custom tariff number
85364190
Country of origin
Germany
Technical data
Note
Utilization restriction
EMC: class A product, see manufacturer's declaration in the download
area
Dimensions
Width
6.2 mm
12/14/2019 Page 1 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Technical data
Dimensions
Height
80 mm
Depth
94 mm
Ambient conditions
Ambient temperature (operation)
-40 °C ... 60 °C
Ambient temperature (storage/transport)
-40 °C ... 85 °C
Degree of protection
IP20 (Relay base)
Coil side
Nominal input voltage UN
24 V AC/DC
Typical input current at UN
11 mA (at UN = 24 V AC)
8.5 mA (at UN = 24 V DC)
Typical response time
6 ms
Typical release time
15 ms
Protective circuit
Bridge rectifier Bridge rectifier
Operating voltage display
Yellow LED
Power dissipation for nominal condition
0.26 W
Contact side
Contact type
1 PDT
Type of switch contact
Single contact
Contact material
AgSnO, hard gold-plated
Maximum switching voltage
30 V AC
36 V DC
Minimum switching voltage
100 mV (at 10 mA)
Min. switching current
1 mA (at 24 V)
Maximum inrush current
50 mA
Limiting continuous current
50 mA
Interrupting rating (ohmic load) max.
1.2 W (at 24 V DC)
Contact side (with destroyed gold layer)
Note
the following values are applicable if a gold layer is destroyed
Maximum switching voltage
250 V AC/DC
Minimum switching voltage
5 V (at 100 mA)
Limiting continuous current
6A
Min. switching current
10 mA (at 12 V)
Interrupting rating (ohmic load) max.
140 W (at 24 V DC)
20 W (at 48 V DC)
18 W (at 60 V DC)
12/14/2019 Page 2 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Technical data
Contact side (with destroyed gold layer)
23 W (at 110 V DC)
40 W (at 220 V DC)
1500 VA (for 250 V AC)
Switching capacity
2 A (at 24 V, DC13)
0.2 A (at 110 V, DC13)
0.1 A (at 220 V, DC13)
3 A (at 24 V, AC15)
3 A (at 120 V, AC15)
3 A (at 230 V, AC15)
General
Test voltage relay winding/relay contact
4 kV AC (50 Hz, 1 min.)
Operating mode
100% operating factor
Mechanical service life
2x 10 cycles
Mounting position
any
Assembly instructions
In rows with zero spacing
7
Connection data
Connection name
Coil side
Connection method
Screw connection
Stripping length
8 mm
Screw thread
M3
Conductor cross section solid
0.14 mm² ... 2.5 mm²
Conductor cross section flexible
0.14 mm² ... 2.5 mm²
0.2 mm² ... 2.5 mm² (Single ferrule)
2x 0.5 mm² ... 1.5 mm² (TWIN ferrule)
Conductor cross section AWG
26 ... 14
Connection data 2
Connection name
Contact side
Connection method
Screw connection
Stripping length
8 mm
Screw thread
M3
Conductor cross section solid
0.14 mm² ... 2.5 mm²
Conductor cross section flexible
0.14 mm² ... 2.5 mm²
0.2 mm² ... 2.5 mm² (Single ferrule)
2x 0.5 mm² ... 1.5 mm² (TWIN ferrule)
Conductor cross section AWG
26 ... 14
12/14/2019 Page 3 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Technical data
Standards and Regulations
Connection in acc. with standard
CUL
Designation
Standards/regulations
Standards/regulations
IEC 60664
EN 50178
Pollution degree
3
Overvoltage category
III
Environmental Product Compliance
Lead 7439-92-1
China RoHS
Environmentally Friendly Use Period = 50
For details about hazardous substances go to tab “Downloads”, Category
“Manufacturer's declaration”
Drawings
12/14/2019 Page 4 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Diagram
Curve A
Maximum permissible continuous voltage Umax with limiting continuous current on the contact side (see relevant technical data)
Curve B
Minimum permissible operate voltage Uop after pre-excitation (see relevant technical data)
12/14/2019 Page 5 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Circuit diagram
Articles in set
Relay base - PLC-BSC- 24UC/21 - 2966029
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 24 V AC/DC
12/14/2019 Page 6 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Articles in set
Single relay - REL-MR- 24DC/21AU - 2961121
Plug-in miniature power relay, with multi-layer gold contact, 1 PDT, input voltage 24 V DC
Classifications
eCl@ss
eCl@ss 4.0
27371100
eCl@ss 4.1
27371100
eCl@ss 5.0
27371600
eCl@ss 5.1
27371600
eCl@ss 6.0
27371600
eCl@ss 7.0
27371601
eCl@ss 8.0
27371601
eCl@ss 9.0
27371601
ETIM
ETIM 2.0
EC001437
ETIM 3.0
EC001437
ETIM 4.0
EC001437
ETIM 5.0
EC001437
ETIM 6.0
EC001437
ETIM 7.0
EC001437
UNSPSC
UNSPSC 6.01
30211916
UNSPSC 7.0901
39121515
UNSPSC 11
39121515
UNSPSC 12.01
39121515
UNSPSC 13.2
39122334
Approvals
Approvals
12/14/2019 Page 7 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Approvals
Approvals
PRS / UL Listed / UL Recognized / cUL Recognized / cUL Listed / RC FRT / DNV GL / EAC / EAC / cULus Recognized / cULus Listed
Ex Approvals
Approval details
PRS
http://www.prs.pl/
TE/2109/880590/16
UL Listed
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
FILE E 172140
UL Recognized
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
FILE E 238705
cUL Recognized
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
FILE E 238705
cUL Listed
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
FILE E 172140
RC FRT
B.00094
DNV GL
https://approvalfinder.dnvgl.com/
TAE0000196-02
12/14/2019 Page 8 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Approvals
EAC
TR_TS_D_00573_c
EAC
TR_TS_S_00010_c
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
12/14/2019 Page 9 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Accessories
Continuous plug-in bridge - FBST 500-PLC GY - 2966838
Continuous plug-in bridge, length: 500 mm, color: gray
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
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
Controller board
12/14/2019 Page 10 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Accessories
System connection - PLC-V8/FLK14/OUT - 2295554
V8 adapter for 8 x PLC-INTERFACE (6.2 mm), controller: PLC system cabling of output cards, connection 1: Screw
connection 1x, connection 2: IDC/FLK pin strip 1x 14-position, connection 3: Plug connection (Can be snapped onto 8x
PLC-INTERFACE terminals), number of channels: 8, control logic: positive switching
System connection - PLC-V8/FLK14/OUT/M - 2304102
V8 adapter for 8 x PLC-INTERFACE (6.2 mm), controller: PLC system cabling of output cards, connection 1: Screw
connection 1x, connection 2: IDC/FLK pin strip 1x 14-position, connection 3: Plug connection (Can be snapped onto 8x
PLC-INTERFACE terminals), number of channels: 8, control logic: negative switching
System connection - PLC-V8/D15S/OUT - 2296058
V8 adapter for 8 x PLC-INTERFACE (6.2 mm), controller: PLC system cabling of output cards, connection 1: Screw
connection 1x, connection 2: D-SUB pin strip 1x 15-position, connection 3: Plug connection (Can be snapped onto 8x
PLC-INTERFACE terminals), number of channels: 8, control logic: positive switching
System connection - PLC-V8/D15B/OUT - 2296061
V8 adapter for 8 x PLC-INTERFACE (6.2 mm), controller: PLC system cabling of output cards, connection 1: Screw
connection 1x, connection 2: D-SUB socket strip 1x 15-position, connection 3: Plug connection (Can be snapped onto 8x
PLC-INTERFACE terminals), number of channels: 8, control logic: positive switching
System connection - PLC-V8/FLK14/IN - 2296553
V8 adapter for 8 x PLC-INTERFACE (6.2 mm), controller: PLC system cabling of input cards, connection 1: Screw
connection 1x, connection 2: IDC/FLK pin strip 1x 14-position, connection 3: Plug connection (Can be snapped onto 8x
PLC-INTERFACE terminals), number of channels: 8, control logic: positive switching
12/14/2019 Page 11 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Accessories
System connection - PLC-V8/FLK14/IN/M - 2304115
V8 adapter for 8 x PLC-INTERFACE (6.2 mm), controller: PLC system cabling of input cards, connection 1: Screw
connection 1x, connection 2: IDC/FLK pin strip 1x 14-position, connection 3: Plug connection (Can be snapped onto 8x
PLC-INTERFACE terminals), number of channels: 8, control logic: negative switching
System connection - PLC-V8/D15S/IN - 2296074
V8 adapter for 8 x PLC-INTERFACE (6.2 mm), controller: PLC system cabling of input cards, connection 1: Screw
connection 1x, connection 2: D-SUB pin strip 1x 15-position, connection 3: Plug connection (Can be snapped onto 8x
PLC-INTERFACE terminals), number of channels: 8, control logic: positive switching
System connection - PLC-V8/D15B/IN - 2296087
V8 adapter for 8 x PLC-INTERFACE (6.2 mm), controller: PLC system cabling of input cards, connection 1: Screw
connection 1x, connection 2: D-SUB socket strip 1x 15-position, connection 3: Plug connection (Can be snapped onto 8x
PLC-INTERFACE terminals), number of channels: 8, control logic: positive switching
DIN rail
DIN rail, unperforated - NS 35/ 7,5 V2A UNPERF 2000MM - 0801377
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Stainless steel V2A,
uncoated, length: 2000 mm, color: silver
DIN rail perforated - NS 35/ 7,5 PERF 2000MM - 0801733
DIN rail perforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Steel, galvanized,
passivated with a thick layer, length: 2000 mm, color: silver
12/14/2019 Page 12 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Accessories
DIN rail, unperforated - NS 35/ 7,5 CU UNPERF 2000MM - 0801762
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Copper, uncoated,
length: 2000 mm, color: copper-colored
DIN rail, unperforated - NS 35/15 UNPERF 2000MM - 1201714
DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Steel, galvanized,
passivated with a thick layer, length: 2000 mm, color: silver
DIN rail, unperforated - NS 35/15 CU UNPERF 2000MM - 1201895
DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Copper, uncoated,
length: 2000 mm, color: copper-colored
DIN rail, unperforated - NS 35/15-2,3 UNPERF 2000MM - 1201798
DIN rail, unperforated, Standard profile 2.3 mm, width: 35 mm, height: 15 mm, acc. to EN 60715, material: Steel,
galvanized, passivated with a thick layer, length: 2000 mm, color: silver
DIN rail, unperforated - NS 35/15 AL UNPERF 2000MM - 1201756
DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Aluminum,
uncoated, length: 2000 mm, color: silver
12/14/2019 Page 13 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Accessories
DIN rail perforated - NS 35/15 PERF 2000MM - 1201730
DIN rail perforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Steel, galvanized,
passivated with a thick layer, length: 2000 mm, color: silver
DIN rail, unperforated - NS 35/ 7,5 UNPERF 2000MM - 0801681
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Steel, galvanized,
passivated with a thick layer, length: 2000 mm, color: silver
Labeled terminal marker
Zack marker strip - ZB 6,LGS:FORTL.ZAHLEN - 1051016
Zack marker strip, Strip, white, labeled, can be labeled with: CMS-P1-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 size: 6.15 x 10.5 mm, Number of individual labels: 10
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
Power module
12/14/2019 Page 14 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Accessories
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
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, 2component grip, with non-slip grip
Terminal marking
Zack marker strip - ZB 6:UNBEDRUCKT - 1051003
Zack marker strip, Strip, white, unlabeled, can be labeled with: PLOTMARK, CMS-P1-PLOTTER, mounting type: snap
into tall marker groove, for terminal block width: 6.2 mm, lettering field size: 6.15 x 10.5 mm, Number of individual labels:
10
Zack marker strip - ZB 6/WH-100:UNBEDRUCKT - 5060935
Zack marker strip, Strip, white, unlabeled, can be labeled with: PLOTMARK, CMS-P1-PLOTTER, mounting type: snap
into tall marker groove, for terminal block width: 6.2 mm, lettering field size: 6.15 x 10.5 mm, Number of individual labels:
10
Marker for terminal blocks - UC-TM 6 - 0818085
Marker for terminal blocks, Sheet, white, unlabeled, can be labeled with: BLUEMARK ID COLOR, BLUEMARK ID,
BLUEMARK CLED, PLOTMARK, CMS-P1-PLOTTER, mounting type: snap into tall marker groove, for terminal block
width: 6.2 mm, lettering field size: 5.6 x 10.5 mm, Number of individual labels: 80
12/14/2019 Page 15 / 16
https://www.phoenixcontact.com/us/products/2966278
Relay Module - PLC-RSC- 24UC/21AU - 2966278
Accessories
Marker for terminal blocks - UCT-TM 6 - 0828736
Marker for terminal blocks, Sheet, white, unlabeled, can be labeled with: TOPMARK NEO, TOPMARK LASER,
BLUEMARK ID COLOR, BLUEMARK ID, BLUEMARK CLED, THERMOMARK PRIME, THERMOMARK CARD 2.0,
THERMOMARK CARD, mounting type: snap into tall marker groove, for terminal block width: 6.2 mm, lettering field size:
5.6 x 10.5 mm, Number of individual labels: 60
Spare parts
Relay base - PLC-BSC- 24UC/21 - 2966029
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 24 V AC/DC
Single relay - REL-MR- 24DC/21AU - 2961121
Plug-in miniature power relay, with multi-layer gold contact, 1 PDT, input voltage 24 V DC
Phoenix Contact 2019 © - all rights reserved
http://www.phoenixcontact.com
12/14/2019 Page 16 / 16
