KRAUS & NAIMER L400 - Electrical Data 5.11.2004


Switch features:
- S3 (130x130mm) Front element size (can be changed by mountings and optional extras)


Approvals:


Approved Confirms to requirements No listing required
CSA, CUL, CULUS, UL BS EN, CH, GOST, 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, S...Svenska Elektriska Materielkontrollanstalten, UL...United States Standards - Listed, UR...United States Standards - Recognized, VDE...VDE 0660 - Verband Deutscher Elektrotechniker



AC-Values:


IEC 60947-3, EN 60947-3, VDE 0660 part 107:
Rated Operational Voltage Ue 690V 1)
Rated Insulation Voltage Ui 690V 1)
Rated Thermal Current Iu/Ith 500/500A (Ambient temperature +35°C during 24 hours with peaks up to +40°C / Ambient temperature +55°C during 24 hours with peaks up to 60°C) 2)
Rated Operational Current Ie
AC-20A No-load operation
20V-690V:   
500A 2)
AC-20B Occasional switching under load cos Phi 0,8 3 phase, 3 pole and 1 phase, 2 pole
220V-240V:   
500A 2)
500V-500V:   
450A 2)
660V-690V:   
350A 2)
AC-21B Occasional switching of resistive loads, including moderate overloads 3 phase, 3 pole and 1 phase, 2 pole
220V-240V:   
450A 2)
500V-500V:   
400A 2)
660V-690V:   
300A 2)
Rated Utilization Category
AC-23B Occasional 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:   
65kW 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 Voltage 600V 1)
Rated Insulation Voltage Ui 600V 1)
Rated Thermal Current 400A 1)
Interrupting Rating
110V-600V:   
300A 1)
1)...UL/Canada - Refer to International Standards and Approvals


General:


Minimum Voltage 20V
Rated Impulse Withstand Voltage Uimp 6kV 1)
Short Circuit Protection
Max. fuse size (aR-characteristic) 500A
Rated short-time withstand current (1s-current) On request
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; Permissible load see Rated Thermal Current
Terminal lead material copper wires only
For connections with cable terminal or copper busbar
Connecting screw M12
Length of connecting screw 30mm
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.