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 Vrms

2500 Vrms

open contact circuit

1200 Vrms

1200 Vrms

adjacent contact circuits

2500 Vrms

2000 Vrms

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

21)

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 mm2

fine wire

2 x 2.5 mm2

with bootlace crimp (DIN 46228/1)

2 x 1.5 mm2

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