https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page1/18
Feed-through terminal block-UDK 3 BU-2718277
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)
1-level terminal block with double connection on both sides, cross section: 0.2 - 2.5 mm², AWG: 30 - 12, width:
5.2 mm, color: blue
Your advantages
Two connection points on each side to accommodate several conductors
Double bridge shaft enables individual potential distribution and supply
Key Commercial Data
Packing unit 1 pc
GTIN
GTIN 4017918105136
Weight per Piece (excluding packing) 13.390 g
Custom tariff number 85369010
Country of origin China
Technical data
General
Number of levels 2
Number of connections 4
Potentials 1
Nominal cross section 2.5 mm²
Color blue
Insulating material PA
Flammability rating according to UL 94 V2
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page2/18
Feed-through terminal block-UDK 3 BU-2718277
Technical data
General
Rated surge voltage 6 kV
Degree of pollution 3
Overvoltage category III
Insulating material group I
Maximum power dissipation for nominal condition 0.77 W (the value is multiplied when connecting multiple levels)
Maximum load current
32 A (in case of a 4 mm² conductor cross section, the maximum load
current must not be exceeded by the total current of all connected
conductors.)
Nominal current IN24 A (with 4mm² conductor cross section)
Nominal voltage UN500 V
Open side panel Yes
Shock protection test specification IEC 60529:2001-02
Back of the hand protection guaranteed
Finger protection guaranteed
Result of surge voltage test Test passed
Result of power-frequency withstand voltage test Test passed
Power frequency withstand voltage setpoint 1.89 kV
Result of the test for mechanical stability of terminal points (5 x conductor
connection) Test passed
Result of bending test Test passed
Bending test rotation speed 10 rpm
Bending test turns 135
Bending test conductor cross section/weight 0.2 mm² / 0.2 kg
2.5 mm² / 0.7 kg
Tensile test result Test passed
Result of tight fit on support Test passed
Tight fit on carrier NS 32/NS 35
Setpoint 1 N
Result of voltage-drop test Test passed
Result of temperature-rise test Test passed
Requirement temperature-rise test Increase in temperature ≤ 45 K
Short circuit stability result Test passed
Conductor cross section short circuit testing 2.5 mm²
Short-time current 0.3 kA
Conductor cross section short circuit testing 4 mm²
Short-time current 0.48 kA
Result of thermal test Test passed
Proof of thermal characteristics (needle flame) effective duration 30 s
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page3/18
Feed-through terminal block-UDK 3 BU-2718277
Technical data
General
Relative insulation material temperature index (Elec., UL 746 B) 130 °C
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)) 130 °C
Static insulating material application in cold -60 °C
Surface flammability NFPA 130 (ASTM E 162) passed
Specific optical density of smoke NFPA 130 (ASTM E 662) passed
Calorimetric heat release NFPA 130 (ASTM E 1354) 28 MJ/kg
Smoke gas toxicity NFPA 130 (SMP 800C) passed
Fire protection for rail vehicles (DIN EN 45545-2) R22 HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23 HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24 HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26 HL 1 - HL 3
Dimensions
Width 5.2 mm
End cover width 1.5 mm
Length 63.5 mm
Height NS 35/7,5 47 mm
Height NS 35/15 54.5 mm
Height NS 32 52 mm
Connection data
Note Terminal point
Connection 1 level
Connection method Screw connection
Screw thread M3
Stripping length 8 mm
Tightening torque, min 0.5 Nm
Tightening torque max 0.6 Nm
Connection in acc. with standard IEC60947-7-1
Conductor cross section solid min. 0.2 mm²
Conductor cross section solid max. 4 mm²
Conductor cross section AWG min. 24
Conductor cross section AWG max. 12
Conductor cross section flexible min. 0.2 mm²
Conductor cross section flexible max. 2.5 mm²
Min. AWG conductor cross section, flexible 24
Max. AWG conductor cross section, flexible 14
Conductor cross section flexible, with ferrule without plastic sleeve min. 0.25 mm²
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page4/18
Feed-through terminal block-UDK 3 BU-2718277
Technical data
Connection data
Conductor cross section flexible, with ferrule without plastic sleeve max. 2.5 mm²
Conductor cross section flexible, with ferrule with plastic sleeve min. 0.25 mm²
Conductor cross section flexible, with ferrule with plastic sleeve max. 1.5 mm²
Cross section with insertion bridge, solid max. 2.5 mm²
Cross section with insertion bridge, stranded max. 2.5 mm²
2 conductors with same cross section, solid min. 0.2 mm²
2 conductors with same cross section, solid max. 1 mm²
2 conductors with same cross section, stranded min. 0.2 mm²
2 conductors with same cross section, stranded max. 1.5 mm²
Two conductors with the same cross section, flexible, with TWIN ferrules,
with plastic sleeve, minimum 0.5 mm²
Two conductors with the same cross section, flexible, with TWIN ferrules,
with plastic sleeve, maximum 1 mm²
Two conductors with the same cross section stranded, with ferrule and
without plastic sleeve, minimum 0.25 mm²
Two conductors with the same cross section stranded, with ferrule and
without plastic sleeve, maximum 1.5 mm²
Internal cylindrical gage A3
Standards and Regulations
Connection in acc. with standard CSA
IEC60947-7-1
Flammability rating according to UL 94 V2
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
Circuit diagram
Classifications
eCl@ss
eCl@ss 10.0.1 27141120
eCl@ss 11.0 27141120
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page5/18
Feed-through terminal block-UDK 3 BU-2718277
Classifications
eCl@ss
eCl@ss 4.0 27141100
eCl@ss 4.1 27141100
eCl@ss 5.0 27141100
eCl@ss 5.1 27141100
eCl@ss 6.0 27141100
eCl@ss 7.0 27141120
eCl@ss 8.0 27141120
eCl@ss 9.0 27141120
ETIM
ETIM 2.0 EC000897
ETIM 3.0 EC000897
ETIM 4.0 EC000897
ETIM 5.0 EC000897
ETIM 6.0 EC000897
ETIM 7.0 EC000897
UNSPSC
UNSPSC 6.01 30211811
UNSPSC 7.0901 39121410
UNSPSC 11 39121410
UNSPSC 12.01 39121410
UNSPSC 13.2 39121410
UNSPSC 18.0 39121410
UNSPSC 19.0 39121410
UNSPSC 20.0 39121410
UNSPSC 21.0 39121410
Approvals
Approvals
Approvals
CSA / UL Recognized / cUL Recognized / EAC / EAC / cULus Recognized
Ex Approvals
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page6/18
Feed-through terminal block-UDK 3 BU-2718277
Approvals
Approval details
CSA http://www.csagroup.org/services-industries/product-listing/ 13631
B C
Nominal voltage UN 300 V 300 V
Nominal current IN 20 A 20 A
mm²/AWG/kcmil 28-12 28-12
UL Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 60425
Nominal voltage UN 300 V
Nominal current IN 20 A
mm²/AWG/kcmil 30-12
cUL Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 60425
Nominal voltage UN 300 V
Nominal current IN 20 A
mm²/AWG/kcmil 30-12
EAC RU C-
DE.A*30.B.01742
EAC RU C-
DE.BL08.B.00534
cULus Recognized
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page7/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
Accessories
Bridge
Fixed bridge-FB-150 METER-0201595
Cross connection rail, for fixed bridging of identical inputs and outputs, made of Cu, nickel-plated, 1 m long
DIN rail
DIN rail perforated-NS 32 PERF 2000MM-1201002
DIN rail perforated, G profile, width:32 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 32 UNPERF 2000MM-1201015
DIN rail, unperforated, G profile, width:32 mm, height:15 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 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
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page8/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
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
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
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page9/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
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
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
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page10/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
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
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
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page11/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
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
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
End block
End clamp-CLIPFIX 35-3022218
Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, width: 9.5 mm, color: gray
End clamp-CLIPFIX 35-5-3022276
Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, with parking option for
FBS...5, FBS...6, KSS 5, KSS 6, width: 5.15 mm, color: gray
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page12/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
End clamp-E/NS 35 N-0800886
End clamp, width: 9.5 mm, color: gray
End clamp-E/UK-1201442
End clamp, width:9.5 mm, height:35.3 mm, material:PA, length:50.5 mm, Mounting on a DIN rail NS 32 or NS 35,
color:gray
End clamp-E/UK 1-1201413
End clamps, for supporting the ends of double-level and three-level terminal blocks, width: 10 mm, color: gray
End cover
End cover-D-UDK 4 BU-2775197
End cover, length: 63.5 mm, width: 1.5 mm, height: 35.9 mm, color: blue
End cover-D-UDK 4-2775113
End cover, length: 63.5 mm, width: 1.5 mm, height: 35.9 mm, color: gray
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page13/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
Insertion bridge
Insertion bridge-EBL 3- 5-2303158
Insertion bridge, pitch: 5.2 mm, number of positions: 3, color: gray
Insertion bridge-EBL 2- 5-2303145
Insertion bridge, pitch: 5.2 mm, number of positions: 2, color: gray
Insertion bridge-EBL 10- 5-2303132
Insertion bridge, pitch: 5.2 mm, number of positions: 10, color: gray
Labeled terminal marker
Zack marker strip-ZB 5 CUS-0824962
Zack marker strip, can be ordered: Strip, white, labeled according to customer specifications, mounting type: snap into
tall marker groove, for terminal block width: 5.2 mm, lettering field size: 5.15 x 10.5 mm, Number of individual labels: 10
Zack marker strip-ZB 5,LGS:FORTL.ZAHLEN-1050017
Zack marker strip, Strip, white, labeled, printed horizontally: consecutive numbers 1 ... 10, 11 ... 20, etc. up to 491 ...
500, mounting type: snap into tall marker groove, for terminal block width: 5.2 mm, lettering field size: 5.15 x 10.5 mm,
Number of individual labels: 10
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page14/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
Zack marker strip-ZB 5,QR:FORTL.ZAHLEN-1050020
Zack marker strip, white, Printed vertically: consecutive numbers 1 ... 10, 11 ... 20, etc. up to 491 ... 500, mounting type:
snap into tall marker groove, for terminal block width: 5.2 mm, lettering field size: 5.15 x 10.5 mm
Zack marker strip-ZB 5,LGS:GLEICHE ZAHLEN-1050033
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: 5.2 mm, lettering field size: 5.15
x 10.5 mm, Number of individual labels: 10
Zack marker strip-ZB 5,LGS:L1-N,PE-1050415
Zack marker strip, Strip, white, labeled, horizontal: L1, L2, L3, N, PE, L1, L2, L3, N, PE, mounting type: snap into tall
marker groove, for terminal block width: 5.2 mm, lettering field size: 5.15 x 10.5 mm, Number of individual labels: 10
Marker for terminal blocks-UC-TM 5 CUS-0824581
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: 5.2 mm, lettering field size: 10.5 x 4.6 mm, Number of individual
labels: 96
Marker for terminal blocks-UCT-TM 5 CUS-0829595
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: 5.2 mm, lettering field size: 4.6 x 10.5 mm, Number of individual
labels: 72
Partition plate
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page15/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
Separating plate-TS-KK 3-2770215
Separating plate, length: 14 mm, width: 0.5 mm, height: 16 mm, color: gray
Screw bridge
Fixed bridge-FBRI 20-5 N-3000515
Fixed bridge, pitch: 5 mm, number of positions: 20, color: silver
Fixed bridge-FBRI 16-5 N-3000476
Fixed bridge, number of positions: 16, color: silver
Fixed bridge-FBRI 12-5 N-3000434
Fixed bridge, number of positions: 12, color: silver
Fixed bridge-FBRI 2-5 N-3000227
Fixed bridge, pitch: 5 mm, number of positions: 2, color: silver
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page16/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
Fixed bridge-FBRI 3-5 N-3000201
Fixed bridge, pitch: 5 mm, number of positions: 3, color: silver
Fixed bridge-FBRI 4-5 N-3000191
Fixed bridge, pitch: 5 mm, number of positions: 4, color: silver
Fixed bridge-FBRI 10-5 N-2770642
Fixed bridge, pitch: 5.2 mm, number of positions: 10, color: silver
Fixed bridge-FBRI 40-5 N-3006823
Fixed bridge, number of positions: 40, color: silver
Short-circuit connector
Short-circuit connector-KSS 5-2303543
Short-circuit connector, pitch: 5 mm, number of positions: 2, color: black
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page17/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
Switching jumper
Switching jumper-USBRJ 2-7-2305538
Switching jumper, number of positions: 2, color: silver
Switching jumper-USBR 2-7-2303239
Switching jumper, pitch: 7 mm, number of positions: 2, color: silver
Switching jumper-SBRN 2-7-1413230
Switching jumper, pitch: 7 mm, number of positions: 2, color: silver
Terminal marking
Zack marker strip-ZB 5 :UNBEDRUCKT-1050004
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: 5.2 mm, lettering field size: 5.1 x 10.5 mm, Number of individual labels:
10
Marker for terminal blocks-UC-TM 5-0818108
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: 5.2 mm, lettering field size: 10.5 x 4.6 mm, Number of individual labels: 96
https://www.phoenixcontact.com/us/products/2718277
01/18/2021Page18/18
Feed-through terminal block-UDK 3 BU-2718277
Accessories
Marker for terminal blocks-UCT-TM 5-0828734
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: 5.2 mm, lettering field size:
4.6 x 10.5 mm, Number of individual labels: 72
Test plug terminal block
Reducing plug-RPS-0201647
Reducing plug, color: gray
Test socket
Female test connector-PSBJ 3/13/4-0201304
Female test connector, color: silver
Female test connector-PSB 3/10/4-0601292
Female test connector, color: silver
Phoenix Contact 2021 © - all rights reserved
http://www.phoenixcontact.com