https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page1/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
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)
PCB connector, nominal cross section: 2.5 mm², color: light gray, nominal current: 12 A, rated voltage (III/2): 320
V, contact surface: Tin, type of contact: Female connector, Number of potentials: 4, Number of rows: 1, Number
of positions per row: 4, number of connections: 4, product range: FKCT 2,5/..-ST, pitch: 5 mm, connection
method: Push-in spring connection, conductor/PCB connection direction: 0 °, Locking clip: - Locking clip, plug-in
system: CLASSIC COMBICON, Locking: without, Assembly: without, type of packaging: packed in cardboard
Your advantages
Time saving push-in connection, tools not required
Intuitive use through colour coded actuation lever
Quick and convenient testing using integrated test option
Optimized for tight installation situations: operation and conductor connection from one direction
Can be combined with the MSTB 2,5 range
Key Commercial Data
Packing unit 1 pc
Minimum order quantity 100 pc
GTIN
GTIN 4017918572020
Weight per Piece (excluding packing) 7.180 g
Custom tariff number 85366990
Country of origin Germany
Technical data
Item properties
Brief article description PCB connector
Plug-in system CLASSIC COMBICON
Type of contact Female connector
Range of articles FKCT 2,5/..-ST
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page2/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Technical data
Item properties
Pitch 5 mm
Number of positions 4
Locking no
Number of levels 1
Number of connections 4
Number of potentials 4
Electrical parameters
Nominal current 12 A
Nom. voltage 320 V
Rated voltage (III/3) 320 V
Rated voltage (III/2) 320 V
Rated voltage (II/2) 630 V
Rated surge voltage (III/3) 4 kV
Rated surge voltage (III/2) 4 kV
Rated surge voltage (II/2) 4 kV
Connection capacity
Connection method Push-in spring connection
pluggable Yes
Conductor cross section solid 0.2 mm² ... 2.5 mm²
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section AWG / kcmil 24 ... 12
Conductor cross section flexible, with ferrule without plastic sleeve 0.25 mm² ... 2.5 mm²
Conductor cross section, flexible, with ferrule, with plastic sleeve 0.25 mm² ... 2.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with
plastic sleeve 0.5 mm² ... 1.5 mm²
Stripping length 10 mm
Material data - contact
Note WEEE/RoHS-compliant, free of whiskers according to IEC 60068-2-82/
JEDEC JESD 201
Contact material Cu alloy
Surface characteristics hot-dip tin-plated
Metal surface terminal point (top layer) Tin (4 - 8 µm Sn)
Metal surface contact area (top layer) Tin (4 - 8 µm Sn)
Material data - housing
Housing color light gray (7035)
Insulating material PA
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page3/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Technical data
Material data - housing
Insulating material group I
CTI according to IEC 60112 600
Flammability rating according to UL 94 V0
Glow wire flammability index GWFI according to EN60695-2-12 850
Glow wire ignition temperature GWIT according to EN60695-2-13 775
Temperature for the ball pressure test according to EN60695-10-2 125 °C
Material data – actuating element
Color of the actuating lever orange (2003)
Insulating material PBT
CTI according to IEC 60112 600
Flammability rating according to UL 94 V0
Dimensions for the product
Caption Schematische Abbildung - weitere Details siehe Produktfamilienzeichnung
im Download Center
Length [ l ] 25.6 mm
Width [ w ] 20.1 mm
Height [ h ] 15 mm
Pitch 5 mm
Height (without solder pin) 15 mm
Packaging information
Type of packaging packed in cardboard
Pieces per package 100
Denomination packing units Pcs.
General product information
Type of note Notes on operation
Note
In accordance with IEC 61984, COMBICON connectors have no switching
power (COC). During designated use, they must not be plugged in or
disconnected when carrying voltage or under load.
Ambient conditions
Ambient temperature (storage/transport) -40 °C ... 70 °C
Ambient temperature (assembly) -5 °C ... 100 °C
Ambient temperature (operation) -40 °C ... 100 °C (dependent on the derating curve)
Termination and connection method
Conductor connection test The stripped-off ends of the largest conductor can be completely inserted
in the opening of the terminal point without using excessive force.
Test result Test passed
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page4/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Technical data
Termination and connection method
Test – repeated connection and release IEC 60999-1:1999-11
Test passed
Test for conductor damage and slackening IEC 60999-1:1999-11
Test passed
Pull-out test
Pull-out test IEC 60999-1:1999-11
Conductor cross section / conductor type / tensile force 0.14 mm² / solid / > 10 N
0.14 mm² / flexible / > 10 N
2.5 mm² / solid / > 50 N
2.5 mm² / flexible / > 50 N
Mechanical tests according to standard
Test specification IEC 61984
Visual inspection IEC 60512-1-1:2002-02
Dimension check IEC 60512-1-2:2002-02
Resistance of inscriptions IEC 60068-2-70:1995-12
Insertion and withdrawal force IEC 60512-13-2:2006-02
No. of cycles 25
Insertion strength per pos. approx. 8 N
Withdraw strength per pos. approx. 6 N
Polarization and coding IEC 60512-13-5:2006-02
Contact holder in insert IEC 60512-15-1:2008-05
Test force per pos. 32 N
Air clearances and creepage distances
Clearances and creepage distances IEC 60664-1:2007-04
Specification IEC 60664-1:2007-04
Minimum clearance - inhomogeneous field (III/3) 3 mm
Minimum clearance - inhomogeneous field (III/2) 3 mm
Minimum clearance - inhomogeneous field (II/2) 3 mm
Minimum creepage distance value (III/3) 4 mm
Minimum creepage distance value (III/2) 1.6 mm
Minimum creepage distance value (II/2) 3.2 mm
Current carrying capacity / derating curves
Caption Type: FKCT 2,5/...-ST with MSTB 2,5/...-G
Mechanical tests (A)
Test specification IEC 61984
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page5/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Technical data
Mechanical tests (A)
Insertion strength per pos. approx. 8 N
Withdraw strength per pos. approx. 6 N
Polarization when inserted requirement >20 N Test passed
Contact holder in insert requirements >20 N Test passed
Durability tests (B)
Specification IEC 60512-9-1:2010-03
Contact resistance R11.1 mΩ
Insertion/withdrawal cycles 25
Contact resistance R21.2 mΩ
Impulse withstand voltage at sea level 4.8 kV
Thermal tests (C)
Specification IEC 60512-5-1:2002-02
Number of positions 20
Upper limiting temperature requirements <100 °C Test passed
Climatic tests (D)
Specification ISO 6988:1985-02
Cold stress -40 °C/2 h
Thermal stress 100 °C/168 h
Corrosive stress 0.2 dm3 SO2 on 300 dm3/40 °C/1 cycle
Impulse withstand voltage at sea level 4.8 kV
Power-frequency withstand voltage 2.21 kV
Environmental and durability tests (E)
Specification IEC 61984:2008-10
Result, degree of protection, IP code Finger safety with IP20 test finger
Environmental Product Compliance
China RoHS Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values
Drawings
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page6/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Diagram
0
2
4
6
8
10
12
14
16
18
20
010 20 30 40 50 60 70 80 90 100 110
I [A]
[°C]
= 3-pos.
= 6-pos.
= 16-pos.
1
2
3
1
2
3
4= 20-pos. 4
Type: FKCT 2,5/...-ST with MDSTBV 2,5/...-G1
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
22
24
!
"
$
%
= 2-pos.
= 5-pos.
= 16-pos.
= 20-pos.
"
!
$%
#[°C]
I [A]
Type: FKCT 2,5/...-ST with MSTB 2,5/...-G
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
4
8
12
16
20
24
2
6
10
14
18
22
= 2-pos.
= 5-pos.
= 12-pos.
!= 20-pos.
!
Ambient temperature [°C]
Current strength [A]
Type: FKCT 2,5/...-ST with MSTBA 2,5/...-G
Diagram
$
%
"
!
= 2-pos.
= 5-pos.
= 16-pos.
$
%= 18-pos.
!
"
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
22
24
#[°C]
I [A]
Type: FKCT 2,5/...-ST with FKIC 2,5/...-ST
Diagram
"
"
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
![°C]
I [A]
#
= 16-pos.
= 6-pos.
= 3-pos.
#
$
= 20-pos.
$
%
%
Type: FKCT 2,5/...-ST with MDSTB 2,5/...-G1
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
![°C]
I [A]
= 2-pos.
= 5-pos.
= 12-pos.
"
#
$#
$
"
Type: FKCT 2,5/...-ST with MDSTBVA 2,5/...-G
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page7/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Dimensional drawing Diagram
0 10 20 30 40 50 60 70 80 90 100 110
= 2-pos.
= 5-pos.
= 16-pos.
= 20-pos.
0
4
8
12
16
20
24
2
6
10
14
18
22
[°C]
I [A]
Type: FKCT 2,5/...-ST with MSTBV 2,5/...-G
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
22
24
= 2-pos.
= 5-pos.
= 16-pos.
= 20-pos.
[°C]
I [A]
Type: FKCT 2,5/...-ST with MSTBVA 2,5/...-G
Diagram
0
2
4
6
8
10
12
14
16
18
20
0 10 20 30 40 50 60 70 80 90 100 110
I [A]
[°C]
= 2-pos.
= 5-pos.
= 16-pos.
1
2
3
1
2
3
Type: FKCT 2,5/...-ST with MDSTB 2,5/...-G
Diagram
0
2
4
6
8
10
12
14
16
18
20
0 10 20 30 40 50 60 70 80 90 100 110
I [A]
[°C]
= 2-pos.
= 5-pos.
= 12-pos.
1
2
3
2
1
3
Type: FKCT 2,5/...-ST with MDSTBA 2,5/...-G
Diagram
0
2
4
6
8
10
12
14
16
18
20
0 10 20 30 40 50 60 70 80 90 100 110
I [A]
[°C]
= 2-pos.
= 5-pos.
= 12-pos.
1
2
3
1
2
3
Type: FKCT 2,5/...-ST with MDSTBV 2,5/...-G
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page8/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Diagram
0
2
4
6
8
10
12
14
16
18
20
22
24
0 10 20 30 40 50 60 70 80 90 100 110
I [A]
[°C]
= 2-pos.
= 5-pos.
= 12-pos.
1
2
3
1
2
3
Type: FKCT 2,5/...-ST with MDSTBW 2,5/...-G
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
22
24
= 2-pos.
= 5-pos.
= 16-pos.
= 20-pos.
[°C]
I [A]
Type: FKCT 2,5/...-ST with SMSTB 2,5/...-G
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
22
24
= 2-pos.
= 5-pos.
= 16-pos.
= 20-pos.
[°C]
I [A]
Type: FKCT 2,5/...-ST with SMSTBA 2,5/...-G
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
22
24
= 2-pos.
= 5-pos.
= 16-pos.
= 20-pos.
[°C]
I [A]
Type: FKCT 2,5/...-ST with MSTBW 2,5/...-G
Classifications
eCl@ss
eCl@ss 10.0.1 27440309
eCl@ss 11.0 27460202
eCl@ss 4.0 27260700
eCl@ss 4.1 27260700
eCl@ss 5.0 27260700
eCl@ss 5.1 27260700
eCl@ss 6.0 27260700
eCl@ss 7.0 27440309
eCl@ss 9.0 27440309
ETIM
ETIM 3.0 EC001121
ETIM 4.0 EC002638
ETIM 6.0 EC002638
ETIM 7.0 EC002638
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page9/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Classifications
UNSPSC
UNSPSC 6.01 30211810
UNSPSC 7.0901 39121409
UNSPSC 11 39121409
UNSPSC 12.01 39121409
UNSPSC 13.2 39121409
UNSPSC 18.0 39121409
UNSPSC 19.0 39121409
UNSPSC 20.0 39121409
UNSPSC 21.0 39121409
Approvals
Approvals
Approvals
VDE Zeichengenehmigung / CSA / IECEE CB Scheme / EAC / cULus Recognized
Ex Approvals
Approval details
VDE Zeichengenehmigung http://www2.vde.com/de/Institut/Online-Service/
VDE-gepruefteProdukte/Seiten/Online-Suche.aspx 40004701
Nominal voltage UN 250 V
Nominal current IN 12 A
mm²/AWG/kcmil 0.2-2.5
CSA http://www.csagroup.org/services-industries/product-listing/ 13631
B D
Nominal voltage UN 300 V 300 V
Nominal current IN 12 A 10 A
mm²/AWG/kcmil 24-12 24-12
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page10/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Approvals
IECEE CB Scheme http://www.iecee.org/ DE1-60988-B1B2
Nominal voltage UN 250 V
Nominal current IN 12 A
mm²/AWG/kcmil 0.2-2.5
EAC B.01687
cULus Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm E60425-19931012
B D
Nominal voltage UN 300 V 300 V
Nominal current IN 10 A 10 A
mm²/AWG/kcmil 26-12 26-12
Accessories
Accessories
Coding element
Coding profile-CP-MSTB-1734634
Coding profile, is inserted into the slot on the plug or inverted header, red insulating material
Insulating sleeve
Insulating sleeve-MPS-IH WH-0201663
Insulating sleeve, color: white
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page11/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Accessories
Insulating sleeve-MPS-IH RD-0201676
Insulating sleeve, color: red
Insulating sleeve-MPS-IH BU-0201689
Insulating sleeve, color: blue
Insulating sleeve-MPS-IH GN-0201702
Insulating sleeve, color: green
Labeled terminal marker
Marker card-SK 5/3,8:FORTL.ZAHLEN-0804183
Marker card, Card, white, labeled, horizontal: consecutive numbers 1 ... 10, 11 ... 20, etc. up to 91 ... (99)100, mounting
type: adhesive, for terminal block width: 5 mm, lettering field size: 5 x 3.8 mm
Screwdriver tools
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page12/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Accessories
Screwdriver-SZS 0,6X3,5-1205053
Actuation tool, for ST terminal blocks, insulated, also suitable for use as a bladed screwdriver, size: 0.6 x 3.5 x 100 mm,
2-component grip, with non-slip grip
Strain relief
Strain relief-STZ 4-FKC-5,08-1876877
Strain relief for snapping into the latching chambers of the plugs, 4-pos.
Strain relief-STZ 8-FKC-5,08-1876880
Strain relief for snapping into the latching chambers of the plug components, 8-pos.
Test plug terminal block
Test plugs-MPS-MT-0201744
Test plugs, with solder connection up to 1 mm² conductor cross section, color: gray
Reducing plug-RPS-0201647
Reducing plug, color: gray
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page13/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Accessories
Additional products
Feed-through header-DFK-MSTB 2,5/ 4-G-0707125
Feed-through header-MSTBW 2,5/ 4-G-1736098
Printed-circuit board connector-MSTBVA 2,5/ 4-G-1755532
Feed-through header-MSTBV 2,5/ 4-G-1753479
Feed-through header-MSTB 2,5/ 4-G-1754478
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page14/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Accessories
Feed-through header-MDSTBVA 2,5/ 4-G-1845808
Feed-through header-MDSTBA 2,5/ 4-G-1846535
Feed-through header-MSTBA 2,5/ 4-G-LA-1770504
Printed-circuit board connector-MSTBA 2,5/ 4-G-1757491
Feed-through header-MSTB 2,5/ 4-G-LA-1768202
https://www.phoenixcontact.com/us/products/1921900
04/05/2021Page15/15
Printed-circuit board connector-FKCT 2,5/ 4-ST KMGY-1921900
Accessories
Feed-through header-MDSTBV 2,5/ 4-G1-1736739
Feed-through header-MDSTB 2,5/ 4-G1-1736690
Feed-through header-SMSTBA 2,5/ 4-G-1769829
Printed-circuit board connector-SMSTB 2,5/ 4-G-1769256
Phoenix Contact 2021 © - all rights reserved
http://www.phoenixcontact.com