General Purpose Relays
Relay Package PT (Continued)
SCHRACK
Insulation
PT2
PT3
PT5
Dielectric strength coil-contact circuit 2500 V rms
open contact circuit 1200 V rms
2500 V rms
1200 V rms
2500 V rms
1200 V rms
adjacent contact circuits 2500 V rms 2500 V rms 2000 V rms
Clearance / creepage coil-contact circuit W 4 / 4 mm W 4/ 4 mm W 4 / 4 mm
adjacent cont. circuits W 3.5 / 9.5 mm W 2.6 / 3.5 mm W 1.8 / 3.5 mm
Material group of insulation parts IIIa
Insulation to IEC 60664-1
Type of insulation coil-contact circuit basic
open contact circuit micro disconnection
adjacent contact circuits basic
Rated insulation voltage 250 V
Pollution degree 2 2 2
Rated voltage system 230 / 400 V 240 V 240 V
Overvoltage category III III III
Other data
PT2
PT3
PT5
Mechanical endurance DC coil 30x10 6 cycles
AC coil 20x10 6 cycles
Material
RoHS - Directive 2002/95/EC compliant as per product date code 0535
Environment
Ambient temperature range -40...+70°C
Procesing
Terminals screw
Terminal screw torque acc. IEC 61984 0.5 Nm
max. 0.7 Nm
Wire cross section
single wire 2 x 2.5 mm 2
fine wire 2 x 2.5 mm 2
with bootlace crimp (DIN 46228/1) 2 x 1.5 mm 2
Insertion cycles A (10)
Max. Insertion Force total 100 N
Mounting distance W 0, dense packing of sockets
Weight with PT78720 / PT78730 / PT78740 71 g 78 g 85 g
with PT78722 / PT78742 74 g - 90 g
Packaging unit 5 pcs
Dimensions
Package with PT 78 720 / PT 78 730 / PT 78 740
S0427-D
Package with PT 78 722 / PT 78 742
S0489-CI
2
Datasheet Rev. IJ1
Issued 2009/10
www.tycoelectronics.com
www.schrackrelays.com
Dimensions are in mm unless
otherwise specified and are
shown for reference purposes
only.
Product specification
according to IEC 61810-1.
Product data, technical para-
me ters, test conditions and
processing information only
to be used together with the
'Definitions' section in the cat-
alogue or at schrackrelays.com
in the ‘Schrack’ section.
Specifications subject to
change.
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