Datasheet

https://www.phoenixcontact.com/gb/products/3210251
02/03/2017Page2/4
Knife disconnect terminal block-PTT 2,5-L/MT-3210251
Technical data
General
Degree of pollution 3
Overvoltage category III
Insulating material group I
Maximum load current 16 A (with 4 mm² conductor cross section)
Nominal current I
N
16 A
Nominal voltage U
N
400 V
Open side panel Yes
Shock protection test specification DIN EN 50274 (VDE 0660-514):2002-11
Back of the hand protection guaranteed
Finger protection guaranteed
Result of surge voltage test Test passed
Surge voltage test setpoint 7.3 kV
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 0.14 mm² / 0.2 kg
2.5 mm² / 0.7 kg
4 mm² / 0.9 kg
Tensile test result Test passed
Conductor cross section tensile test 0.14 mm²
Tractive force setpoint 10 N
Conductor cross section tensile test 2.5 mm²
Tractive force setpoint 50 N
Conductor cross section tensile test 4 mm²
Tractive force setpoint 60 N
Result of tight fit on support Test passed
Tight fit on carrier NS 35
Setpoint 1 N
Result of voltage-drop test Test passed
Result of temperature-rise test Test passed
Short circuit stability result Test passed
Conductor cross section short circuit testing 2.5 mm²
Short-time current 0.3 kA
Result of aging test Test passed
Ageing test for screwless modular terminal block temperature cycles 192
Result of thermal test Test passed
Proof of thermal characteristics (needle flame) effective duration 30 s