https://www.phoenixcontact.com/us/products/3210251
Knife disconnect terminal block - PTT 2,5-L/MT - 3210251
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Knife disconnect terminal block, Connection type: Push-in connection, Cross section: 0.14 mm² - 4 mm²,
AWG: 26 - 12, Nominal current: 16 A, Nominal voltage: 400 V, Length: 92.4 mm, Width: 5.2 mm, Color: gray,
Assembly: NS 35/7,5, NS 35/15
Product Features
The Push-in connection terminal blocks are characterized by the system features of the CLIPLINE complete system and by easy and tool-free wiring
of conductors with ferrules or solid conductors
The compact design and front connection enable wiring in a confined space
Convenient separation of circuits, thanks to lever-type disconnect knife
Clear identification of the disconnect point, thanks to color highlighting
Key Commercial Data
Packing unit
Minimum order quantity
Weight per Piece (excluding packing)
Custom tariff number
Country of origin
1 pc
50 pc
17.6 g
85369010
Poland
Technical data
General
Number of levels
Number of connections
Nominal cross section
Color
Insulating material
Flammability rating according to UL 94
Rated surge voltage
Pollution degree
Overvoltage category
2
4
2.5 mm²
gray
PA
V0
6 kV
3
III
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https://www.phoenixcontact.com/us/products/3210251
Knife disconnect terminal block - PTT 2,5-L/MT - 3210251
Technical data
General
Insulating material group
Connection in acc. with standard
Maximum load current
Nominal current I
N
Nominal voltage U
N
Open side panel
Shock protection test specification
Back of the hand protection
Finger protection
Surge voltage test setpoint
Result of surge voltage test
Power frequency withstand voltage setpoint
Result of power-frequency withstand voltage test
Checking the mechanical stability of terminal points (5 x conductor
connection)
Bending test rotation speed
Bending test turns
Bending test conductor cross section/weight
I
IEC 60947-7-1
16 A (with 4 mm² conductor cross section)
16 A
400 V
ja
DIN EN 50274 (VDE 0660-514):2002-11
guaranteed
guaranteed
7.3 kV
Test passed
1.89 kV
Test passed
Test passed
10 rpm
135
0.14 mm² / 0.2 kg
2.5 mm² / 0.7 kg
4 mm² / 0.9 kg
Result of bending test
Conductor cross section tensile test
Tractive force setpoint
Conductor cross section tensile test
Tractive force setpoint
Conductor cross section tensile test
Tractive force setpoint
Tensile test result
Tight fit on carrier
Setpoint
Result of tight fit test
Result of voltage drop test
Temperature-rise test
Conductor cross section short circuit testing
Short-time current
Short circuit stability result
Ageing test for screwless modular terminal block temperature cycles
Test passed
0.14 mm²
10 N
2.5 mm²
50 N
4 mm²
60 N
Test passed
NS 35
1N
Test passed
Test passed
Test passed
2.5 mm²
0.3 kA
Test passed
192
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https://www.phoenixcontact.com/us/products/3210251
Knife disconnect terminal block - PTT 2,5-L/MT - 3210251
Technical data
General
Result of aging test
Proof of thermal characteristics (needle flame) effective duration
Result of thermal test
Test specification, oscillation, broadband noise
Test spectrum
Test frequency
ASD level
Acceleration
Test duration per axis
Test directions
Oscillation, broadband noise test result
Test specification, shock test
Shock form
Acceleration
Shock duration
Number of shocks per direction
Test directions
Shock test result
Temperature index, insulating material (DIN EN 60216-1 (VDE 0304-21))
Static insulating material application in cold
Test passed
30 s
Test passed
DIN EN 50155 (VDE 0115-200):2008-03
Service life test category 2, bogie mounted
f
1
= 5 Hz to f
2
= 250 Hz
6.12 (m/s ) /Hz
3.12 g
5h
X-, Y- and Z-axis
Test passed
DIN EN 50155 (VDE 0115-200):2008-03
Half-sine
30g
18 ms
3
X-, Y- and Z-axis (pos. and neg.)
Test passed
125 °C
-60 °C
2 2
Dimensions
Width
End cover width
Length
Height
Height NS 35/7,5
Height NS 35/15
5.2 mm
0.8 mm
92.4 mm
45.80 mm
47.4 mm
54.9 mm
Connection data
Connection method
Connection in acc. with standard
Conductor cross section solid min.
Conductor cross section solid max.
Conductor cross section AWG min.
Conductor cross section AWG max.
Conductor cross section flexible min.
Conductor cross section flexible max.
Push-in connection
IEC 60947-7-1
0.14 mm²
4 mm²
26
12
0.14 mm²
2.5 mm²
10/20/2015 Page 3 / 6
https://www.phoenixcontact.com/us/products/3210251
Knife disconnect terminal block - PTT 2,5-L/MT - 3210251
Technical data
Connection data
Min. AWG conductor cross section, flexible
Max. AWG conductor cross section, flexible
Conductor cross section flexible, with ferrule without plastic sleeve min.
Conductor cross section flexible, with ferrule without plastic sleeve max.
Conductor cross section flexible, with ferrule with plastic sleeve min.
Conductor cross section flexible, with ferrule with plastic sleeve max.
26
14
0.14 mm²
2.5 mm²
0.14 mm²
2.5 mm²
2 conductors with same cross section, stranded, TWIN ferrules with plastic
0.5 mm²
sleeve, max.
Conductor cross section AWG min.
Conductor cross section AWG max.
Stripping length
Internal cylindrical gage
26
12
8 mm ... 10 mm
A3
Classifications
eCl@ss
eCl@ss 4.0
eCl@ss 4.1
eCl@ss 5.0
eCl@ss 5.1
eCl@ss 6.0
eCl@ss 7.0
eCl@ss 8.0
27141120
27141120
27141120
27141120
27141120
27141120
27141126
ETIM
ETIM 4.0
ETIM 5.0
EC000902
EC000902
UNSPSC
UNSPSC 6.01
UNSPSC 7.0901
UNSPSC 11
UNSPSC 12.01
UNSPSC 13.2
30211811
39121410
39121410
39121410
39121410
Approvals
Approvals
10/20/2015 Page 4 / 6
https://www.phoenixcontact.com/us/products/3210251
Knife disconnect terminal block - PTT 2,5-L/MT - 3210251
Approvals
Approvals
CSA / UL Recognized / cUL Recognized / cULus Recognized
Ex Approvals
Approvals submitted
Approval details
CSA
mm²/AWG/kcmil
Nominal current IN
Nominal voltage UN
B
26-12
16 A
300 V
C
26-12
16 A
300 V
UL Recognized
mm²/AWG/kcmil
Nominal current IN
Nominal voltage UN
26-12
16 A
300 V
B
26-12
16 A
300 V
C
cUL Recognized
mm²/AWG/kcmil
Nominal current IN
Nominal voltage UN
26-12
16 A
300 V
B
26-12
16 A
300 V
C
cULus Recognized
10/20/2015 Page 5 / 6
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