KRAUS & NAIMER A11C - Electrical Data 1.12.2006

Switch features:
- S2 (88x88mm) Front element size (can be changed by mountings and optional extras)
- Compact axial design for short mounting depths; Large number of contacts possible
- Up to 24 switching positions possible

Approvals:

Approved Confirms to requirements No listing required
CUL, CULUS, UL BS EN, CH, D, FI, IEC, N, ÖVE, S, VDE

BS EN...BS EN 60947 - British Standards Institution, CCC...CCC - China Compulsory Certification, CH...Schweizerischer Elektrotechnischer Verein, CSA...Canadian Standards Association, CUL...Canadian National Standards - Listed, CULUS...Canadian National and United States Standards - Listed, CUR...Canadian National Standards - Recognized, CURUS...Canadian National and United States Standards - Recognized, D...Danmarks Elektriske Materiellkontrol, FI...Sähkötarkastuskeskus, GOST...GOST - gosudarstvennyj standard, IEC...IEC 60947 - International Electrical Commission (IEC) Recommendation, N...Norges Elektriske Materiellkontroll, ÖVE...Österreichischer Verband für Elektrotechnik, RuMRS...Russian Maritime Register of Shipping, S...Svenska Elektriska Materielkontrollanstalten, UL...United States Standards - Listed, UR...United States Standards - Recognized, VDE...VDE 0660 - Verband Deutscher Elektrotechniker

Note the remarks in the approval table!: here or at http://www.krausnaimer.com/0/apps.htm

AC-Values:

IEC 60947-3, EN 60947-3, VDE 0660 part 107:
Rated Operational Voltage Ue690V 1)
Rated Insulation Voltage Ui690V 1)
Rated Thermal Current Iu/Ith20A 2)
Rated Operational Current Ie
AC-15 Switching of control devices, contactors, valves etc.
220V-240V:   
6A 2)
380V-440V:   
4A 2)
AC-20A No-load operation20A 2)
AC-21A Switching of resistive loads, including moderate overloads
For switching of power >1kW 20A 2)
AC-22A Switching of combined resistive or low inductive loads including moderate overloads
220V-500V:   
20A 2)
660V-690V:   
16A 2)
Rated Utilization Category
AC-2 Slip ring motor starting, reversing and plugging, star-delta starting 3 phase, 3 pole
220V-240V:   
4kW 2)
380V-440V:   
7.5kW 2)
500V-500V:   
10kW 2)
660V-690V:   
10kW 2)
AC-3 Direct-on-line starting, star-delta starting
3 phase, 3 pole
220V-240V:   
3kW 2)
380V-440V:   
5.5kW 2)
500V-500V:   
5.5kW 2)
660V-690V:   
5.5kW 2)
1 phase, 2 pole
110V-120V:   
0.6kW 2)
220V-240V:   
2.2kW 2)
380V-440V:   
3kW 2)
AC-4 Direct-on-line starting, reversing, plugging and inching
3 phase, 3 pole
220V-240V:   
0.55kW 2)
380V-440V:   
1.5kW 2)
500V-500V:   
1.5kW 2)
660V-690V:   
1.5kW 2)
1 phase, 2 pole
110V-120V:   
0.15kW 2)
220V-240V:   
0.25kW 2)
380V-440V:   
0.55kW 2)
AC-23A Frequent switching of motors or other high inductive loads
3 phase, 3 pole
220V-240V:   
3.7kW 2)
380V-440V:   
7.5kW 2)
500V-500V:   
7.5kW 2)
660V-690V:   
7.5kW 2)
1 phase, 2 pole
110V-120V:   
0.75kW 2)
220V-240V:   
2.2kW 2)
380V-440V:   
3.7kW 2)
1)...IEC 60947-3, EN 60947-3, VDE 0660 part 107 - Valid for lines with grounded common neutral termination, overvoltage category III, Other values on request.
2)...IEC 60947-3, EN 60947-3, VDE 0660 part 107

UL/Canada:
Rated Voltage600V 1)
Rated Insulation Voltage Ui600V 1)
Rated Thermal Current10A 1)
Ampere Rating - Resistive or low inductive loads
For switching of power >1kW 10A 1)
Ratings
Standard motor load, DOL Rating (similar AC-3)
3 phase, 3 pole
110V-120V:   
1HP 2)
220V-240V:   
1HP 2)
440V-480V:   
1HP 2)
550V-600V:   
1HP 2)
1 phase, 2 pole
110V-120V:   
0.5HP 2)
220V-240V:   
1HP 2)
277V-277V:   
1HP 2)
440V-480V:   
1HP 2)
550V-600V:   
1HP 2)
Pilot Duty, HeavyA600 1)
1)...UL/Canada - Refer to International Standards and Approvals
2)...UL/Canada

General:

Minimum Voltage on request
Rated Impulse Withstand Voltage Uimp6kV 1)
Short Circuit Protection
Max. fuse size (gL/gG-characteristic)20A
Rated short-time withstand current (1s-current)120A
Ambient Temperature of Stages (for switches with electro-mechanical accessories refer to optional extra)
open at 100% Iu/Ith 55°C during 24 hours with peaks up to 60°C
enclosed at 100% Ithe 35°C during 24 hours with peaks up to 40°C
Storage temperature -40°C to 85°C (in case of temperature below -5°C no shock load permissible)
Terminal lead material copper wires only
Max. Permissible Wire Gage
Single-core or stranded wire2.5mm2
AWG 12
Flexible wire2.5mm2
AWG 14
Flexible wire with sleeving in accordance with DIN 462282.5mm2
1)...IEC 60947-3, EN 60947-3, VDE 0660 part 107 - Valid for lines with grounded common neutral termination, overvoltage category III, Other values on request.