Page 14 - EPR Catalog 2015

Electronic timers
Overview

1

CT-D range CT-E range CT-S range

Timing function multifunctional single-functional multifunctional single-functional multifunctional single-functional
A ON-delay CT-MFD CT-ERD CT-ERE,
B OFF-delay CT-MFD CT-AHD CT-MFE, CT-EKE CT-MVS, CT-MFS, CT-ERS
CT-MKE CT-AHE, CT-MBS, CT-WBS
CT-MFD CT-MFE CT-ARE, CT-APS,
CT-MFD CT-AKE CT-MVS, CT-MFS, CT-AHS,
CT-MBS CT-ARS
CT-MFD CT-V W E
AB ON- and OFF-delay CT-MFD CT-AWE CT-MVS, CT-MXS,
CT-MFS, CT-MBS
CA Impulse-ON CT-V W D CT-MFE, CT-EBE CT-MVS, CT-MFS,
CT-MKE CT-MBS, CT-WBS
CT-MVS, CT-MFS,
CB Impulse-OFF CT-MBS
CT-MXS
CE Impulse-ON and OFF CT-EBD CT-MFE,
DA Flasher starting with ON CT-MKE CT-MFS, CT-MBS,
CT-WBS
DB Flasher staring with OFF CT-MFE, CT-MFS, CT-MBS,
CT-MKE CT-WBS
CT-MVS
DE Flasher starting with ON or
ED OFF CT-TGD CT-MXS
H
Pulse generator starting with CT-MFD CT-MFE CT-MVS, CT-MFS,
ON or OFF CT-MBS

Pulse former

F Star-delta change-over CT-SDD, CT-SDS
CT-SAD

FC Star-delta change-over with CT-SDE CT-MVS.2x,
FA impulse CT-YDE CT-MFS, CT-MBS
A+
Star-delta change-over CT-MVS, CT-MXS,
twice ON-delayed CT-MFS, CT-MBS,
CT-WBS
AC BC G
further functions
(depending on device)

Technical data (extract)

Time ranges 7 (0.05 s - 100 h) Multifunction devices: 10 (0.05 s - 300 h)
CT-SDD, CT-SAD: CT-ARS, CT-SDS:
Control supply voltage 4 (0.05 s - 10 min) 8 (0.05 s - 100 h) 7 (0.05 s- 10 min)
Type and number of contacts
Wide and multi ranges Single-function devices: Wide, multi and single ranges
Control inputs
1 or 2 c/o contacts 5 single ranges (0.05-1 s, 0.1-10 s, 1 or 2 c/o contacts
CT-SDD, CT-SAD: 2 n/o contacts CT-MVS.21, CT-MFS, CT-MBS:
0.3-30 s, 3-300 s, 0.3-300 min) 2nd c/o contact selectable as inst.
voltage-related triggering, contact
polarized, capable of switching a Wide ranges Single and dual CT-SDS: 2 n/o contacts
parallel load voltage-related triggering, non-
ranges polarized, capable of switching a
parallel load
1 c/ o contact CT-MFS, CT-MBS, CT-AHS:
volt-free triggering
CT-SDE: 1 n/o contact and 1 n/c

contact

CT-MKE, CT-EKE, CT-AKE: 1 thyristor

voltage-related triggering, polarized
CT-MFE, CT-AHE, CT-AWE:
with auxiliary voltage

1/3 ABB | Catalog Electronic Products and Relays 2015 | 2CDC 110 004 C0210