KRAUS & NAIMER C316 - Electrical Data 1.12.2006

Switch features:
- S3 (130x130mm) Front element size (can be changed by mountings and optional extras)
- Terminal screws accessible laterally (resp. from above and below for -V mountings)
- Designed for horizontal wiring (resp. vertical for -V mountings: e.g. VE-V, FS1-V)

Approvals:

Approved Confirms to requirements No listing required
CSA, CUR, CURUS, GOST, UR BS EN, CH, IEC, VDE D, FI, N, ÖVE, S

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 Ue1000V 1)
Rated Insulation Voltage Ui1000V 1)
Rated Thermal Current Iu/Ith315/315/275A (open / enclosed (Ithe) / enclosed for switches 6 pole and more (Ithe))2)
Breaking Capacity
220V-240V:   
2000A 2)
380V-440V:   
2000A 2)
660V-690V:   
335A 2)
Disconnection property up to1000V 1)
Rated Operational Current Ie
AC-20A No-load operation315A 2)
AC-21A Switching of resistive loads, including moderate overloads
For switching of power >1kW 315A 2)
AC-22A Switching of combined resistive or low inductive loads including moderate overloads
220V-500V:   
315A 2)
660V-690V:   
125A 2)
Rated Utilization Category
AC-2 Slip ring motor starting, reversing and plugging, star-delta starting 3 phase, 3 pole
220V-240V:   
55kW 2)
380V-440V:   
90kW 2)
500V-500V:   
110kW 2)
660V-690V:   
55kW 2)
AC-3 Direct-on-line starting, star-delta starting
3 phase, 3 pole
220V-240V:   
37kW 2)
380V-440V:   
55kW 2)
500V-500V:   
55kW 2)
660V-690V:   
37kW 2)
1 phase, 2 pole
110V-120V:   
11kW 2)
220V-240V:   
22kW 2)
380V-440V:   
30kW 2)
AC-4 Direct-on-line starting, reversing, plugging and inching
3 phase, 3 pole
220V-240V:   
15kW 2)
380V-440V:   
25kW 2)
500V-500V:   
25kW 2)
660V-690V:   
22kW 2)
1 phase, 2 pole
110V-120V:   
4kW 2)
220V-240V:   
7.5kW 2)
380V-440V:   
11kW 2)
AC-23A Frequent switching of motors or other high inductive loads
3 phase, 3 pole
220V-240V:   
75kW 2)
380V-440V:   
132kW 2)
500V-500V:   
132kW 2)
660V-690V:   
37kW 2)
1 phase, 2 pole
110V-120V:   
18.5kW 2)
220V-240V:   
37kW 2)
380V-440V:   
55kW 2)
AC-23B Occasional switching of motors or other high inductive loads
3 phase, 3 pole
220V-240V:   
75kW 2)
380V-440V:   
132kW 2)
660V-690V:   
37kW 2)
Auxiliary contacts
Rated Insulation Voltage Ui690V 1)
Rated Impulse Withstand Voltage Uimp6kV 1)
Rated Thermal Current Iu/Ith16A 2)
AC-21A Switching of resistive loads, including moderate overloads16A 2)
AC-15 Switching of control devices, contactors, valves etc.
110V-240V:   
6A 2)
380V-440V:   
4A 2)
Short Circuit Protection: Max. fuse size (gl-characteristic)16A 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 Current240A 1)
Ampere Rating - Resistive or low inductive loads
For switching of power >1kW 240A 1)
Ratings
Standard motor load, DOL Rating (similar AC-3)
3 phase, 3 pole
110V-120V:   
30HP 2)
220V-240V:   
75HP 2)
440V-480V:   
75HP 2)
550V-600V:   
60HP 2)
1 phase, 2 pole
110V-120V:   
15HP 2)
220V-240V:   
40HP 2)
277V-277V:   
40HP 2)
440V-480V:   
50HP 2)
550V-600V:   
50HP 2)
Heavy motor Load-reversing (similar AC-4)
3 phase, 3 pole
110V-120V:   
15HP 2)
220V-240V:   
30HP 2)
440V-600V:   
40HP 2)
1 phase, 2 pole
110V-120V:   
7.5HP 2)
220V-240V:   
15HP 2)
277V-277V:   
15HP 2)
Pilot Duty, HeavyA600 1)
Auxiliary contacts
Rated Voltage600V 2)
Rated Thermal Current10A 2)
Ampere Rating - Resistive or low inductive loads10A 2)
Pilot Duty, HeavyA600VAC 2)
1)...UL/Canada - Refer to International Standards and Approvals
2)...UL/Canada

DC-Values:

Resistive loads (T<=1ms)
DC switching capacity applies to ON/OFF switches. Switching capacity for other configurations on request.
Number of series contact(s) DC-switching capacity
1 2 3 4 5 6 8
48V 95V 140V 190V 240V 290V 350V 250A
24V 48V 70V 95V 120V 145V 190V 315A

Inductive load (T=50ms)
DC switching capacity applies to ON/OFF switches. Switching capacity for other configurations on request.
Number of series contact(s) DC-switching capacity
1 2 3 4 5 6 8
24V 48V 70V 95V 120V 145V 190V 250A
30V 60V 90V 120V 150V 180V 240V 70A

General:

Minimum Voltage on request
Power loss per contact at Iu17W
Resistance to vibration on request
Resistance to shock min. 5g, 30ms
Rated Impulse Withstand Voltage Uimp8kV 1)
Short Circuit Protection
Max. fuse size (gL/gG-characteristic)315A
Rated short-time withstand current (1s-current)4200A
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 wire185mm2 Cable lug must accept M12 screw.
MCM 350
Flexible wire150mm2 Cable lug must accept M12 screw.
MCM 300
Auxiliary contacts
Max. Permissible Wire Gage: Single-core or stranded wire4mm2
AWG 12
Max. Permissible Wire Gage: Flexible wire2.5mm2
AWG 14
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.