https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
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)
6.2 mm PLC basic terminal block for railway applications with Push-in connection, without relay or solid-state
relay, range from 0.7 x UN to 1.25 x UN, temperature range from -25°C to +70°C, 1 changeover contact, input
voltage 24 V DC
Your advantages
Vibration and shock resistance according to EN 50155
Safe isolation according to DIN EN 50178 between coil and contact
Input voltage range of 0.7 to 1.25 x UN
Temperature range of -25°C to +70°C
Key Commercial Data
Packing unit
10 pc
GTIN
GTIN
4046356512916
Technical data
Note
Utilization restriction
EMC: class A product, see manufacturer's declaration in the download
area
Dimensions
Width
6.2 mm
Height
80 mm
Depth
94 mm
Ambient conditions
Ambient temperature (operation)
-25 °C ... 70 °C
Ambient temperature (storage/transport)
-40 °C ... 85 °C
Input data
Input voltage range in reference to UN
0.65 ... 1.25
03/12/2021 Page 1 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Technical data
Input data
Nominal input voltage UN
24 V DC
Status display
LED
Protective circuit
Damping diode, polarity protection diode
Damping diode
Output data
Compatible components
Miniature relay, REL-MR-18DC/21AU, REL-MR-18DC/21
Fitting of components
REL-MR-18DC/21
Contact type
Single contact, 1 changeover contact
Contact material
AgSnO
Maximum switching voltage
250 V AC/DC
Minimum switching voltage
5 V (at 100 mA)
Limiting continuous current
3A
Maximum inrush current
on request
Min. switching current
10 mA (at 12 V)
Interrupting rating (ohmic load) max.
72 W (at 24 V DC)
20 W (at 48 V DC)
18 W (at 60 V DC)
23 W (at 110 V DC)
40 W (at 220 V DC)
750 VA (for 250 V AC)
Switching capacity min.
120 mW
Fitting of components
REL-MR-18DC/21AU
Contact type
Single contact, 1 changeover contact
Contact material
AgSnO, hard gold-plated
Maximum switching voltage
30 V AC
36 V DC
Minimum switching voltage
100 mV (at 10 mA)
Limiting continuous current
50 mA
Maximum inrush current
50 mA
Min. switching current
1 mA (at 24 V)
Interrupting rating (ohmic load) max.
1.2 W (at 24 V DC)
Switching capacity min.
100 µW
General
Protective circuit
Damping diode, polarity protection diode
Operating mode
100% operating factor
Color
gray
Flammability rating according to UL 94
V0 (Housing)
Mounting position
any
Assembly instructions
In rows with zero spacing
03/12/2021 Page 2 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Technical data
Connection data
Connection name
Input side
Connection method
Push-in connection
Stripping length
10 mm
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 mm² (TWIN ferrule)
Conductor cross section AWG
26 ... 14
Connection data 2
Connection name
Output side
Connection method
Push-in connection
Stripping length
10 mm
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 mm² (TWIN ferrule)
Conductor cross section AWG
26 ... 14
Standards and Regulations
Connection in acc. with standard
CUL
Conformance/approvals
Designation
Corrosive gas test
Identification
ISA-S71.04. G3 Harsh Group
EN 60068-2-60
Environmental Product Compliance
REACh SVHC
Lead 7439-92-1
China RoHS
Environmentally Friendly Use Period = 50 years
For details about hazardous substances go to tab “Downloads”,
Category “Manufacturer's declaration”
Drawings
03/12/2021 Page 3 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Diagram
Circuit diagram
Coil voltage U/UN
1,4
1,2
1,0
A2
11
0,8
A1
14
0,6
20
12
30
40
50
60
70
80
Ambient temperature [°C]
Maximum continuous voltage at limiting continuous current = 3 A
Minimum operate voltage
For pre-excitation with UN and limiting continuous current = 3 A
Operating voltage range
Classifications
eCl@ss
eCl@ss 10.0.1
27371603
eCl@ss 11.0
27371603
eCl@ss 4.0
27371000
eCl@ss 4.1
27371000
eCl@ss 5.0
27371600
eCl@ss 5.1
27371600
eCl@ss 6.0
27371600
eCl@ss 7.0
27371603
eCl@ss 9.0
27371603
ETIM
ETIM 2.0
EC001456
ETIM 3.0
EC001456
ETIM 4.0
EC001456
ETIM 5.0
EC001456
ETIM 6.0
EC001456
ETIM 7.0
EC001456
UNSPSC
UNSPSC 6.01
30211917
UNSPSC 7.0901
39121516
UNSPSC 11
39121516
UNSPSC 12.01
39121516
UNSPSC 13.2
39122326
UNSPSC 18.0
39122335
UNSPSC 19.0
39122335
UNSPSC 20.0
39122335
03/12/2021 Page 4 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Classifications
UNSPSC
UNSPSC 21.0
39122335
Approvals
Approvals
Approvals
DNV GL / UL Recognized / cUL Recognized / EAC / cULus Recognized
Ex Approvals
Approval details
DNV GL
https://approvalfinder.dnvgl.com/
TAE0000196-03
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
EAC
RU DDE.B*00573/18
cULus Recognized
Accessories
Accessories
Bridge
03/12/2021 Page 5 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Accessories
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
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
03/12/2021 Page 6 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Accessories
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
DIN rail
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
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
DIN rail perforated - NS 35/ 7,5 WH PERF 2000MM - 1204119
DIN rail perforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Steel, Galvanized,
white passivated, length: 2000 mm, color: silver
03/12/2021 Page 7 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Accessories
DIN rail, unperforated - NS 35/ 7,5 WH UNPERF 2000MM - 1204122
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Steel, Galvanized,
white passivated, length: 2000 mm, color: silver
DIN rail, unperforated - NS 35/ 7,5 AL UNPERF 2000MM - 0801704
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Aluminum,
uncoated, length: 2000 mm, color: silver
DIN rail perforated - NS 35/ 7,5 ZN PERF 2000MM - 1206421
DIN rail perforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Steel, galvanized,
length: 2000 mm, color: silver
DIN rail, unperforated - NS 35/ 7,5 ZN UNPERF 2000MM - 1206434
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Steel, galvanized,
length: 2000 mm, color: silver
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
03/12/2021 Page 8 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Accessories
End cap - NS 35/ 7,5 CAP - 1206560
DIN rail end piece, for DIN rail NS 35/7.5
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 35/15 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 perforated - NS 35/15 WH PERF 2000MM - 0806602
DIN rail perforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Steel, Galvanized,
white passivated, length: 2000 mm, color: silver
DIN rail, unperforated - NS 35/15 WH UNPERF 2000MM - 1204135
DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Steel,
Galvanized, white passivated, length: 2000 mm, color: silver
03/12/2021 Page 9 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Accessories
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
DIN rail perforated - NS 35/15 ZN PERF 2000MM - 1206599
DIN rail perforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Steel, galvanized,
length: 2000 mm, color: silver
DIN rail, unperforated - NS 35/15 ZN UNPERF 2000MM - 1206586
DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Steel,
galvanized, 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
End cap - NS 35/15 CAP - 1206573
DIN rail end piece, for DIN rail NS 35/15
03/12/2021 Page 10 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Accessories
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
Labeled terminal marker
Zack marker strip - ZB 6 CUS - 0824992
Zack marker strip, can be ordered: Strip, white, labeled according to customer specifications, 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,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
Zack marker strip - ZB 6,QR:FORTL.ZAHLEN - 1051029
Zack marker strip, Strip, white, labeled, can be labeled with: CMS-P1-PLOTTER, Printed vertically: 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
Zack marker strip - ZB 6,LGS:GLEICHE ZAHLEN - 1051032
Zack marker strip, Strip, white, labeled, can be labeled with: CMS-P1-PLOTTER, printed horizontally: Identical
numbers 1 or 2, etc. up to 100, 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
03/12/2021 Page 11 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Accessories
Marker for terminal blocks - ZB 6,LGS:L1-N,PE - 1051414
Marker for terminal blocks, Strip, white, labeled, can be labeled with: CMS-P1-PLOTTER, horizontal: L1, L2, L3, N,
PE, L1, L2, L3, N, PE, 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 - ZB 6,LGS:U-N - 1051430
Marker for terminal blocks, Strip, white, labeled, can be labeled with: CMS-P1-PLOTTER, printed horizontally: U, V,
W, N, GND, U, V, W, N, GND, 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 CUS - 0824589
Marker for terminal blocks, can be ordered: by sheet, white, labeled according to customer specifications, 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
Marker for terminal blocks - UCT-TM 6 CUS - 0829602
Marker for terminal blocks, can be ordered: by sheet, white, labeled according to customer specifications, 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
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
03/12/2021 Page 12 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
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
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
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
Necessary add-on products
03/12/2021 Page 13 / 14
https://www.phoenixcontact.com/pi/products/2900261
Relay base - PLC-BPT- 24DC/21RW - 2900261
Accessories
Single relay - REL-MR- 18DC/21 - 2961383
Plug-in miniature power relay, with power contact, 1 changeover contact, input voltage 18 V DC
Single relay - REL-MR- 18DC/21AU - 2961493
Plug-in miniature power relay, with multi-layer gold contact, 1 changeover contact, input voltage 18 V DC
Phoenix Contact 2021 © - all rights reserved
http://www.phoenixcontact.com
PHOENIX CONTACT GmbH & Co. KG
Flachsmarktstr. 8
32825 Blomberg
Germany
Tel. +49 5235 300
Fax +49 5235 3 41200
http://www.phoenixcontact.com
03/12/2021 Page 14 / 14
