Issued to: SIEMENS AG
I IA CE CP R&D-VI 4
WERNER-VON-SIEMENS-STRASSE 48
92220 AMBERG GERMANY
This is to certify that AUXILIARY DEVICES
representative samples of
Type No. 3RH1921 followed by -1 or -2 followed by C, F, L, M, H, P or X
followed by A, B, C, D, E or J followed by 0, 1, 2, 3 or 4 followed by 0, 1, 2, 3 or
4, may be followed by suffix letters and/or numbers.
Have been investigated by Underwriters Laboratories in accordance with
the Standard(s) indicated on this Certificate.
Standard(s) for Safety: Investigated to Standard(s) UL508 and C22.2 No. 14
Additional Information: See UL On-line Certification Directory at WWW.UL.COM for additional information.
Certificate Number
Report Reference
Issue Date
20111219-E44653
E44653-19970422
2011-DECEMBER-19
Page 2 of 4
This is to certify that representative samples of the product as specified on this certificate were tested
according to the current UL requirements.
GENERAL:
These devices are 1 pole or 4 pole auxiliary contact blocks for this manufacturer's series 3R.
RATINGS:
A600/Q600 (opposite polarity)
240 V/10 A general purpose
William R. Carney
Director, North American Certification Programs
Underwriters Laboratories Inc.
Any information and documentation involving UL Mark services are provided on behalf of Underwriters Laboratories Inc. (UL) or any authorized licensee of UL.
For questions, please contact a local UL Customer Service Representative at http://www.ul.com/global/eng/pages/corporate/contactus
Certificate Number
Report Reference
Issue Date
20111219-E44653
E44653-19970422
2011-DECEMBER-19
Page 3 of 4
NOMENCLATURE BREAKDOWN:
3RH1921
I
-
1
II
F
III
A
IV
2
V
2
VI
I.
Basic Type
II.
Type of Terminals
1 - Screw Terminal
2 - Cage Clamp
III.
Mounting Area
C - top mounted, 1 pole
F - top mounted, terminal marking and contact arrangement according to DIN EN
50 005, 4 pole
L - top mounted, entry of conductors top, 2 pole
M - top mounted, entry of conductors bottom, 2 pole
H - top mounted, terminal marking and contact arrangement according to DIN EN
50 012, 4 pole
P - top mounted, terminal marking and contact arrangement according to DIN EN
50 005, 4 pole
X - Special version
IV
Switching Function
A - without determination
B - making before breaking, one pair of NO and NC contacts
C - making before breaking, two pairs of NO and NC contacts
D - delayed
E - electronics compatible contacts
J - electronic compatible contacts
William R. Carney
Director, North American Certification Programs
Underwriters Laboratories Inc.
Any information and documentation involving UL Mark services are provided on behalf of Underwriters Laboratories Inc. (UL) or any authorized licensee of UL.
For questions, please contact a local UL Customer Service Representative at http://www.ul.com/global/eng/pages/corporate/contactus
Certificate Number
Report Reference
Issue Date
20111219-E44653
E44653-19970422
2011-DECEMBER-19
V.
Contact Arrangements for NO
0 - non NO
1 - 1 NO
2 - 2 NO
3 - 2 NO
4 - 4 NO
VI.
Contact Arrangements for NC
0 - non NC
1 - 1 NC
2 - 2 NC
3 - 3 NC
4 - 4 NC
Page 4 of 4
William R. Carney
Director, North American Certification Programs
Underwriters Laboratories Inc.
Any information and documentation involving UL Mark services are provided on behalf of Underwriters Laboratories Inc. (UL) or any authorized licensee of UL.
For questions, please contact a local UL Customer Service Representative at http://www.ul.com/global/eng/pages/corporate/contactus