Datasheet 2010/11

Rev. JK1

www.tycoelectronics.com

www.schrackrelays.com

© 2010 Tyco Electronics Ltd.

Datasheets and product specification acc.

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.tycoelectronics.com/definitions

Datasheets, product data, ‘Definitions’

section, application notes and all

specifications are subject to change.

General Purpose Relays

SCHRACK

4

DIN-rail socket with screw type terminals, In/Out arrangement

Type

Part Number

PT 78 722

DIN-rail socket with screw type terminals,

In/Out arrangement 2 pole

1415526-1

PT 78 742

DIN-rail socket with screw type terminals,

In/Out arrangement 4 pole

1-1415526-1

Accessories for PT 78 722, PT 78 742

Type

Part Number

PT 17 021

Plastic retaining clip, relay height 29 mm

2-1415526-1

PT 28 800

Metal retaining clip PT, relay height 29 mm

5-1419111-9

PT 17 040

Marking tag

6-1415037-1

PT 17 0R6

Jumper bar, max load 12 A

1860517-5

for connection of up to 6 PT sockets

PT DIN-rail socket with screw type terminals PT 78 720/730/740/741

Approvals

Technical data

2-pole

3-pole

4-pole

Rated voltage / max. switching voltage AC

240 / 400 VAC

Rated current

12 A

10 A

6 A

Limiting continuous current

see derating curve

Dielectric strength coil-contact circuit

open contact circuit

adjacent contact circuits

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

basic

basic

open contact circuit

functional

functional

functional

adjacent contact circuits

basic

basic

functional

Rated insulation voltage

250 V

Pollution degree

2

Rated voltage system

230 / 400 V

Overvoltage category

III

RoHS - Directive 2002/95/EC

compliant

Ambient temperature range

-40...+70°C

Terminals

screw

Terminal screw torque acc. IEC 61984

0.5 Nm

max.

0.7 Nm

Wire cross section

single wire

fine wire

with bootlace crimp (DIN 46228/1)

S0427-CF

F0234-C

S0427-DB

S0559-AP

Jumper bar