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Application range
Terminal blocks for the direct lettering
Accessories
SNAP IN technology
PUSH IN technology
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Stud technology
A-Series
Feed-through terminal blocks
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Fuse terminal blocks
Modular test-disconnect terminal blocks
Pluggable terminal blocks
Modular terminal blocks with electronic components
1-tier
2-tier
1.5 mm²
2.5 mm²
4 mm²
General ordering data
Version
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.
1989950000
Type
ADT 2.5 4C W/O DTLV
GTIN (EAN)
4050118374605
Qty.
50 pc(s).
Dimensions and weights
Depth
36.5 mm
Depth (inches)
1.437 inch
Depth including DIN rail
37 mm
Height
96 mm
Height (inches)
3.78 inch
Width
5.1 mm
Width (inches)
0.201 inch
Net weight
12.34 g
Temperatures
Storage temperature
-25 °C...55 °C
Continuous operating temp., min.
-60 °C
Continuous operating temp., max.
130 °C
Environmental Product Compliance
REACH SVHC
/
RoHS Compliance Status
Compliant without exemption
Material data
Material
Wemid
Colour
dark beige
Colour of operational elements
orange
UL 94 flammability rating
V-0
System specifications
End cover plate required
Yes
Number of potentials
1
Number of levels
1
Number of clamping points per level
4
Number of potentials per tier
1
Levels cross-connected internally
No
PE connection
No
Rail
TS 35
N-function
No
PE function
No
PEN function
No
Additional technical data
Installation advice
Rail
Open sides
right
Snap-on
No
Type of fixing
Snap-on
Type of mounting
TS 35
With snap-in pegs
No
CSA rating data
Certificate No. (CSA)
200039-70089609
Current size B (CSA)
20 A
Current size C (CSA)
20 A
Current size D (CSA)
5 A
Voltage size B (CSA)
300 V
Voltage size C (CSA)
300 V
Voltage size D (CSA)
600 V
Wire cross section max. (CSA)
12 AWG
Wire cross section min. (CSA)
28 AWG
Conductors for clamping (additional connection)
Connection type, additional connection
PUSH IN
Conductors for clamping (rated connection)
Blade size
0.6 x 3.5 mm
Clamping range, max.
4 mm²
Clamping range, min.
0.14 mm²
Connection cross-section, stranded, max.
4 mm²
Connection cross-section, stranded, min.
0.5 mm²
Connection direction
top
Gauge to IEC 60947-1
A3
Number of connections
4
Stripping length
10 mm
Tube length for twin wire-end ferrule
Cross-section for conductor connection
min.
0.5 mm²
max.
0.75 mm²
Tube length
Tube length for wire-end ferrule with plastic collar DIN 46228/4
Tube length
Cross-section for conductor connection
min.
0.34 mm²
max.
0.14 mm²
Tube length
Cross-section for conductor connection
Tube length
Cross-section for conductor connection
min.
2.5 mm²
max.
1.5 mm²
Tube length for wire-end ferrule without plastic collar DIN 46228/1
Cross-section for conductor connection
Tube length
Cross-section for conductor connection
Tube length
Cross-section for conductor connection
Tube length
Twin wire-end ferrules, max.
0.75 mm²
Twin wire-end ferrules, min.
0.5 mm²
Type of connection
PUSH IN
Type of connection 2
PUSH IN
Wire connection cross section AWG, max.
AWG 12
Wire connection cross section AWG, min.
AWG 28
Wire connection cross section, finely stranded, max.
4 mm²
Wire connection cross section, finely stranded, min.
0.5 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, max.
4 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, min.
0.5 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, max.
2.5 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, min.
0.5 mm²
Wire connection cross-section, solid core, max.
2.5 mm²
Wire connection cross-section, solid core, min.
0.5 mm²
Disconnect terminals
Cross-disconnect
without
Integral test socket
Yes
General
Installation advice
Rail
Rail
TS 35
Standards
IEC 60947-7-1
Wire connection cross section AWG, max.
AWG 12
Wire connection cross section AWG, min.
AWG 28
Rating data
Rated cross-section
2.5 mm²
Rated voltage
500 V
Rated DC voltage
500 V
Rated current
20 A
Current at maximum wires
20 A
Standards
IEC 60947-7-1
Volume resistance according to IEC 60947-7-x
1.33 mΩ
Rated impulse withstand voltage
6 kV
Power loss in accordance with IEC 60947-7-x
0.77 W
Pollution severity
3
Surge voltage category
III
UL rating data
Certificate No. (cURus)
E60693
Conductor size Factory wiring max. (cURus)
12 AWG
Conductor size Factory wiring min. (cURus)
28 AWG
Conductor size Field wiring max. (cURus)
12 AWG
Conductor size Field wiring min. (cURus)
28 AWG
Current size B (cURus)
20 A
Current size C (cURus)
20 A
Current size D (cURus)
5 A
Voltage size B (cURus)
300 V
Voltage size C (cURus)
300 V
Voltage size D (cURus)
600 V
Classifications
ETIM 6.0
EC000902
ETIM 7.0
EC000902
ETIM 8.0
EC000902
ETIM 9.0
EC000902
ECLASS 9.0
27-14-11-26
ECLASS 9.1
27-14-11-26
ECLASS 10.0
27-14-11-26
ECLASS 11.0
27-14-11-26
ECLASS 12.0
27-14-11-26
ECLASS 13.0
27-25-01-09
ECLASS 14.0
27-25-01-09
Order No.:
1989900000
Type:
A2C 2.5 /DT/FS
Version:
Feed-through terminal, PUSH IN, 2.5 mm², 800 V, 24 A, dark beige
Order No.:
1989910000
Type:
A2C 2.5 /DT/FS BL
Version:
Feed-through terminal, PUSH IN, 2.5 mm², 800 V, 24 A, blue
Order No.:
1989920000
Type:
A2C 2.5 /DT/FS OR
Version:
Feed-through terminal, PUSH IN, 2.5 mm², 800 V, 24 A, orange
Order No.:
1989890000
Type:
A2C 2.5 PE/DT/FS
Version:
PE terminal, PUSH IN, 2.5 mm², Green/yellow
Order No.:
1989800000
Type:
ADT 2.5 2C
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.:
1989810000
Type:
ADT 2.5 2C BL
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, blue
Order No.:
1989820000
Type:
ADT 2.5 2C OR
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, orange
Order No.:
1989930000
Type:
ADT 2.5 2C W/O DTLV
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.:
2430040000
Type:
ADT 2.5 2C W/O DTLV BL
Version:
Disconnect and modular disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, blue
Order No.:
1989830000
Type:
ADT 2.5 3C
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.:
1989840000
Type:
ADT 2.5 3C BL
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, blue
Order No.:
1989850000
Type:
ADT 2.5 3C OR
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, orange
Order No.:
1989940000
Type:
ADT 2.5 3C W/O DTLV
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.:
1989860000
Type:
ADT 2.5 4C
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.:
1989870000
Type:
ADT 2.5 4C BL
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, blue
Order No.:
1989880000
Type:
ADT 2.5 4C OR
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, orange
Order No.:
2898660000
Type:
ALDT 2.5 2C
Version:
Test-disconnect terminal, PUSH IN, dark beige, 2.5 mm², 20 A, 500 V, Number of connections: 2, Number of levels: 1, TS 35, V-0, Wemid
Order No.:
2898670000
Type:
ALDT 2.5 2C BL
Version:
Test-disconnect terminal, PUSH IN, blue, 2.5 mm², 20 A, 500 V, Number of connections: 2, Number of levels: 1, TS 35, V-0, Wemid
Order No.:
2898680000
Type:
ALDT 2.5 2C W/O DTLV
Version:
Basic terminal for component plug, PUSH IN, 20, 2
Order No.:
2898690000
Type:
ALDT 2.5 2C W/O DTLV BL
Version:
Basic terminal for component plug, PUSH IN, 20, 2
Order No.:
2898700000
Type:
ALDT 2.5 3C
Version:
Test-disconnect terminal, PUSH IN, dark beige, 2.5 mm², 20 A, 500 V, Number of connections: 3, Number of levels: 1, TS 35, V-0, Wemid
Order No.:
2898710000
Type:
ALDT 2.5 3C BL
Version:
Test-disconnect terminal, PUSH IN, blue, 2.5 mm², 20 A, 500 V, Number of connections: 3, Number of levels: 1, TS 35, V-0, Wemid
Order No.:
2898720000
Type:
ALDT 2.5 4C
Version:
Test-disconnect terminal, PUSH IN, dark beige, 2.5 mm², 20 A, 500 V, Number of connections: 4, Number of levels: 1, TS 35, V-0, Wemid
Order No.:
2898730000
Type:
ALDT 2.5 4C BL
Version:
Test-disconnect terminal, PUSH IN, blue, 2.5 mm², 20 A, 500 V, Number of connections: 4, Number of levels: 1, TS 35, V-0, Wemid
Version
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.
1989950000
Type
ADT 2.5 4C W/O DTLV
GTIN (EAN)
4050118374605
Qty.
50 pc(s).
Depth
36.5 mm
Depth (inches)
1.437 inch
Depth including DIN rail
37 mm
Height
96 mm
Height (inches)
3.78 inch
Width
5.1 mm
Width (inches)
0.201 inch
Net weight
12.34 g
Storage temperature
-25 °C...55 °C
Continuous operating temp., min.
-60 °C
Continuous operating temp., max.
130 °C
REACH SVHC
/
RoHS Compliance Status
Compliant without exemption
Material
Wemid
Colour
dark beige
Colour of operational elements
orange
UL 94 flammability rating
V-0
End cover plate required
Yes
Number of potentials
1
Number of levels
1
Number of clamping points per level
4
Number of potentials per tier
1
Levels cross-connected internally
No
PE connection
No
Rail
TS 35
N-function
No
PE function
No
PEN function
No
Installation advice
Rail
Open sides
right
Snap-on
No
Type of fixing
Snap-on
Type of mounting
TS 35
With snap-in pegs
No
Certificate No. (CSA)
200039-70089609
Current size B (CSA)
20 A
Current size C (CSA)
20 A
Current size D (CSA)
5 A
Voltage size B (CSA)
300 V
Voltage size C (CSA)
300 V
Voltage size D (CSA)
600 V
Wire cross section max. (CSA)
12 AWG
Wire cross section min. (CSA)
28 AWG
Connection type, additional connection
PUSH IN
Blade size
0.6 x 3.5 mm
Clamping range, max.
4 mm²
Clamping range, min.
0.14 mm²
Connection cross-section, stranded, max.
4 mm²
Connection cross-section, stranded, min.
0.5 mm²
Connection direction
top
Gauge to IEC 60947-1
A3
Number of connections
4
Stripping length
10 mm
Tube length for twin wire-end ferrule
Cross-section for conductor connection
min.
0.5 mm²
max.
0.75 mm²
Tube length
Tube length for wire-end ferrule with plastic collar DIN 46228/4
Tube length
Cross-section for conductor connection
min.
0.34 mm²
max.
0.14 mm²
Tube length
Cross-section for conductor connection
Tube length
Cross-section for conductor connection
min.
2.5 mm²
max.
1.5 mm²
Tube length for wire-end ferrule without plastic collar DIN 46228/1
Cross-section for conductor connection
Tube length
Cross-section for conductor connection
Tube length
Cross-section for conductor connection
Tube length
Twin wire-end ferrules, max.
0.75 mm²
Twin wire-end ferrules, min.
0.5 mm²
Type of connection
PUSH IN
Type of connection 2
PUSH IN
Wire connection cross section AWG, max.
AWG 12
Wire connection cross section AWG, min.
AWG 28
Wire connection cross section, finely stranded, max.
4 mm²
Wire connection cross section, finely stranded, min.
0.5 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, max.
4 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, min.
0.5 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, max.
2.5 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, min.
0.5 mm²
Wire connection cross-section, solid core, max.
2.5 mm²
Wire connection cross-section, solid core, min.
0.5 mm²
Cross-disconnect
without
Integral test socket
Yes
Installation advice
Rail
Rail
TS 35
Standards
IEC 60947-7-1
Wire connection cross section AWG, max.
AWG 12
Wire connection cross section AWG, min.
AWG 28
Rated cross-section
2.5 mm²
Rated voltage
500 V
Rated DC voltage
500 V
Rated current
20 A
Current at maximum wires
20 A
Standards
IEC 60947-7-1
Volume resistance according to IEC 60947-7-x
1.33 mΩ
Rated impulse withstand voltage
6 kV
Power loss in accordance with IEC 60947-7-x
0.77 W
Pollution severity
3
Surge voltage category
III
Certificate No. (cURus)
E60693
Conductor size Factory wiring max. (cURus)
12 AWG
Conductor size Factory wiring min. (cURus)
28 AWG
Conductor size Field wiring max. (cURus)
12 AWG
Conductor size Field wiring min. (cURus)
28 AWG
Current size B (cURus)
20 A
Current size C (cURus)
20 A
Current size D (cURus)
5 A
Voltage size B (cURus)
300 V
Voltage size C (cURus)
300 V
Voltage size D (cURus)
600 V
ETIM 6.0
EC000902
ETIM 7.0
EC000902
ETIM 8.0
EC000902
ETIM 9.0
EC000902
ECLASS 9.0
27-14-11-26
ECLASS 9.1
27-14-11-26
ECLASS 10.0
27-14-11-26
ECLASS 11.0
27-14-11-26
ECLASS 12.0
27-14-11-26
ECLASS 13.0
27-25-01-09
ECLASS 14.0
27-25-01-09
Approvals
ROHS
Conform
UL File Number Search
UL Website
Certificate No. (cURus)
E60693
Order No.:
1989900000
Type:
A2C 2.5 /DT/FS
Version:
Feed-through terminal, PUSH IN, 2.5 mm², 800 V, 24 A, dark beige
Order No.:
1989910000
Type:
A2C 2.5 /DT/FS BL
Version:
Feed-through terminal, PUSH IN, 2.5 mm², 800 V, 24 A, blue
Order No.:
1989920000
Type:
A2C 2.5 /DT/FS OR
Version:
Feed-through terminal, PUSH IN, 2.5 mm², 800 V, 24 A, orange
Order No.:
1989890000
Type:
A2C 2.5 PE/DT/FS
Version:
PE terminal, PUSH IN, 2.5 mm², Green/yellow
Order No.:
1989800000
Type:
ADT 2.5 2C
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.:
1989810000
Type:
ADT 2.5 2C BL
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, blue
Order No.:
1989820000
Type:
ADT 2.5 2C OR
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, orange
Order No.:
1989930000
Type:
ADT 2.5 2C W/O DTLV
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.:
2430040000
Type:
ADT 2.5 2C W/O DTLV BL
Version:
Disconnect and modular disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, blue
Order No.:
1989830000
Type:
ADT 2.5 3C
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.:
1989840000
Type:
ADT 2.5 3C BL
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, blue
Order No.:
1989850000
Type:
ADT 2.5 3C OR
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, orange
Order No.:
1989940000
Type:
ADT 2.5 3C W/O DTLV
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.:
1989860000
Type:
ADT 2.5 4C
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, dark beige
Order No.:
1989870000
Type:
ADT 2.5 4C BL
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, blue
Order No.:
1989880000
Type:
ADT 2.5 4C OR
Version:
Test-disconnect terminal, PUSH IN, 2.5 mm², 500 V, 20 A, orange
Order No.:
2898660000
Type:
ALDT 2.5 2C
Version:
Test-disconnect terminal, PUSH IN, dark beige, 2.5 mm², 20 A, 500 V, Number of connections: 2, Number of levels: 1, TS 35, V-0, Wemid
Order No.:
2898670000
Type:
ALDT 2.5 2C BL
Version:
Test-disconnect terminal, PUSH IN, blue, 2.5 mm², 20 A, 500 V, Number of connections: 2, Number of levels: 1, TS 35, V-0, Wemid
Order No.:
2898680000
Type:
ALDT 2.5 2C W/O DTLV
Version:
Basic terminal for component plug, PUSH IN, 20, 2
Order No.:
2898690000
Type:
ALDT 2.5 2C W/O DTLV BL
Version:
Basic terminal for component plug, PUSH IN, 20, 2
Order No.:
2898700000
Type:
ALDT 2.5 3C
Version:
Test-disconnect terminal, PUSH IN, dark beige, 2.5 mm², 20 A, 500 V, Number of connections: 3, Number of levels: 1, TS 35, V-0, Wemid
Order No.:
2898710000
Type:
ALDT 2.5 3C BL
Version:
Test-disconnect terminal, PUSH IN, blue, 2.5 mm², 20 A, 500 V, Number of connections: 3, Number of levels: 1, TS 35, V-0, Wemid
Order No.:
2898720000
Type:
ALDT 2.5 4C
Version:
Test-disconnect terminal, PUSH IN, dark beige, 2.5 mm², 20 A, 500 V, Number of connections: 4, Number of levels: 1, TS 35, V-0, Wemid
Order No.:
2898730000
Type:
ALDT 2.5 4C BL
Version:
Test-disconnect terminal, PUSH IN, blue, 2.5 mm², 20 A, 500 V, Number of connections: 4, Number of levels: 1, TS 35, V-0, Wemid
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