Datasheet
09-2014, Rev. 0914
www.te.com
© 2014 Tyco Electronics Corporation,
a TE Connectivity Ltd. company
Datasheets and product specification
according to IEC 61810-1 and to be used
only together with the ‘Definitions’ section.
Datasheets and product data is subject to the
terms of the disclaimer and all chapters of
the ‘Definitions’ section, available at
http://relays.te.com/definitions
Datasheets, product data, ‘Definitions’ sec-
tion, application notes and all specifications
are subject to change.
3
SCHRACK
DIN-rail socket with screw type terminals
PT78722/PT78742
n
Socket with logical arrangement of control/load terminals
n
High quality rising clamp terminals
n
Captive combination terminal screws
n
Second A2 for easier looping
n
Jumper bars for interconnection
Approvals
VDE Cert. No. 40009108, cULus E135149
Technical data 2-pole 4-pole
Rated voltage/Max. switching voltage AC 240/400VAC 240 VAC
Rated current 12 A 6 A
Limiting continuous current see derating curve
Dielectric strength
coil contact circuit 2500 V
rms
2500 V
rms
open contact circuit 1200 V
rms
1200 V
rms
adjacent contact circuits 2500 V
rms
2000 V
rms
Clearance / creepage
coil contact circuit ≥ 4/4 mm ≥ 4/4 mm
adjacent contact circuits ≥ 3.5/9.5 mm ≥ 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 functional
adjacent contact circuits basic
Rated insulation voltage 250 V
Pollution degree 2
1)
Rated voltage system 230 / 400 V
Overvoltage category III
Material compliance: EU RoHS/ELV, China RoHS, REACH, Halogen content
refer to the Product Compliance Support Center at
www.te.com/customersupport/rohssupportcenter
Ambient temperature range -40…+70˚C
Terminals screw
Terminals 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 ≥ 0, dense packing
Weight 44 g 60 g
Packaging unit 10 pcs
General Purpose Relays
Accessories
Accessories Miniature Relay PT
(Continued)
Z
1) with inserted relay pollution degree 1 in region
of contact pin/socket inlets
F0264-C
S0489-CA