C E R T I F I C A T...

C E R T I F I C A T...
CERTIFICATE OF COMPLIANCE
Certificate Number
Report Reference
Issue Date
Issued to:
This is to certify that
representative samples of
20141229-E135493
E135493-A27-UL
2014-DECEMBER-29
VICOR CORP
25 FRONTAGE RD
ANDOVER MA 01810
POWER SUPPLIES, INFORMATION TECHNOLOGY
EQUIPMENT INCLUDING ELECTRICAL BUSINESS
EQUIPMENT
AC/DC Converter- VIA PFM series
Have been investigated by UL in accordance with the
Standard(s) indicated on this Certificate.
Standard(s) for Safety:
Additional Information:
UL 60950-1 and CAN/CSA C22.2 No. 60950-1-07Information Technology Equipment - Safety - Part 1:
General Requirements
See the UL Online Certifications Directory at
www.ul.com/database for additional information
Only those products bearing the UL Certification Mark should be considered as being covered by UL's
Certification and Follow-Up Service.
Recognized components are incomplete in certain constructional features or restricted in performance
capabilities and are intended for use as components of complete equipment submitted for investigation rather
than for direct separate installation in the field. The final acceptance of the component is dependent upon its
installation and use in complete equipment submitted to UL LLC.
Look for the UL Certification Mark on the product.
Bruce Mahrenholz, Assistant Chief Engineer, Global Inspection and Field Services
UL LLC
Any information and documentation involving UL Mark services are provided on behalf of UL LLC (UL) or any authorized licensee of UL. For questions, please
contact a local UL Customer Service Representative at www.ul.com/contactus
Page 1 of 1
Issue Date:
2014-12-22
Page 1 of 5
Report Reference #
E135493-A27-UL
2015-11-04
UL TEST REPORT AND PROCEDURE
Standard:
Certification Type:
CCN:
UL 60950-1, 2nd Edition, 2014-10-14 (Information Technology
Equipment - Safety - Part 1: General Requirements)
CAN/CSA C22.2 No. 60950-1-07, 2nd Edition, 2014-10 (Information
Technology Equipment - Safety - Part 1: General Requirements)
Component Recognition
QQGQ2, QQGQ8 (Power Supplies for Information Technology
Equipment Including Electrical Business Equipment)
Product:
Model:
AC/DC Converter
VIA PFM series
Rating:
See Miscellaneous Enclosure for model details.
Rated Input Voltage:
85-264 Vac(rectified)
Rated Output Voltage: 24 Vdc
Rated Output Power: 400W max
See Miscellaneous Enclosure for model details.
Applicant Name and Address:
VICOR CORP
25 FRONTAGE RD
ANDOVER MA 01810-5424
UNITED STATES
This is to certify that representative samples of the products covered by this Test Report have been investigated in accordance with the
above referenced Standards. The products have been found to comply with the requirements covering the category and the products are
judged to be eligible for Follow-Up Service under the indicated Test Procedure. The manufacturer is authorized to use the UL Mark on
such products which comply with this Test Report and any other applicable requirements of UL LLC ('UL') in accordance with the FollowUp Service Agreement. Only those products which properly bear the UL Mark are considered as being covered by UL's Follow-Up
Service under the indicated Test Procedure.
The applicant is authorized to reproduce the referenced Test Report provided it is reproduced in its entirety.
UL authorizes the applicant to reproduce the latest pages of the referenced Test Report consisting of the first page of the Specific
Technical Criteria through to the end of the Conditions of Acceptability.
Any information and documentation involving UL Mark services are provided on behalf of UL LLC (UL) or any authorized licensee of UL.
Prepared by:
Hong Ung
Reviewed by: Dean Baker
Copyright © 2015
Issue Date:
2014-12-22
Page 2 of 5
Report Reference #
E135493-A27-UL
2015-11-04
Supporting Documentation
The following documents located at the beginning of this Procedure supplement the requirements of this Test
Report:
A. Authorization - The Authorization page may include additional Factory Identification Code markings.
B. Generic Inspection Instructions i. Part AC details important information which may be applicable to products covered by this Procedure.
Products described in this Test Report must comply with any applicable items listed unless otherwise
stated in the body of this Test Report.
ii. Part AE details any requirements which may be applicable to all products covered by this Procedure.
Products described in this Test Report must comply with any applicable items listed unless otherwise
stated in the body of each Test Report.
iii. Part AF details the requirements for the UL Certification Mark which is not controlled by the technical
standard used to investigate these products. Products are permitted to bear only the Certification
Mark(s) corresponding to the countries for which it is certified, as indicated in each Test Report.
Product Description
The VIA PFM Series are a family of isolating AC-DC converters that are designed for building-in. The output
is considered SELV.
Model Differences
See Miscellaneous Enclosure for model nomenclature
Technical Considerations

Equipment mobility : for building-in

Connection to the mains : not directly connected to the mains

Operating condition : continuous

Access location : for building-in

Over voltage category (OVC) : OVC II

Mains supply tolerance (%) or absolute mains supply values : 85-264 Vac (rectified)

Tested for IT power systems : -

IT testing, phase-phase voltage (V) : N/A

Class of equipment : Class I (earthed)

Considered current rating of protective device as part of the building installation (A) : N/A

Pollution degree (PD) : PD 2

IP protection class : IP X0

Altitude of operation (m) : Up to 5000

Altitude of test laboratory (m) : less than 2000 meters

Mass of equipment (kg) : 0.157
Issue Date:
2014-12-22
Page 3 of 5
Report Reference #
E135493-A27-UL
2015-11-04
Engineering Conditions of Acceptability
For use only in or with complete equipment where the acceptability of the combination is determined by UL
LLC. When installed in an end-product, consideration must be given to the following:

The following secondary output circuits are SELV: All.

The following secondary output circuits are at hazardous energy levels: All.

The investigated Pollution Degree is: 2

The following end-product enclosures are required: Mechanical, Fire, Electrical.

An external bridge rectifier is required in front of the PFM.

The output is separated from the input by reinforced insulation.

The VIA PFM was evaluated over the full operating range of 85-264Vac rectified.

See de-rating curve for maximum output power vs. case temperature in Miscellaneous Enclosure.

The case must be earthed in the end application.

The VIA PFM was evaluated with fast acting external fuse rated 8A (Littelfuse 216 series or
Bussmann S501).
Additional Information
N/A
Issue Date:
2014-12-22
Page 4 of 5
2015-11-04
VIA PFM Model Number: PFMaabbcddewwxxyzz
Example: PFM4914VB6M24D0T00
PFM = Constant
Product Function
PFM
Power Factor Module
aa = 49
Package Length Designator
44
4.4 inches
49
4.9 inches
bb = 14
Package Width Designator
14
1.4 inches
c=V
Package Type
V
Chassis mount
B
Board mount
dd = B6
Input Voltage range
B6
85-264 Vac
e=M
Range Ratio (Vin high / Vin low)
M
3.1
ww = 24
Output Voltage
24
24 Vdc
48
48 Vdc
xx = D0
Output Power
B0
200W
D0
400W
y= T
Product Grade
C
-20 to 100°C
T
-40 to 100°C
M
-55 to 100°C
zz = 00
Options (non-safety related)
00
Any alphanumeric
Report Reference #
E135493-A27-UL
Issue Date:
2014-12-22
Page 5 of 5
Report Reference #
E135493-A27-UL
2015-11-04
Customer Special Model Number
PFA175B240C400A33
PFA175B240T400A33
PFA175B480C400A33
PFA175B480T400A33
PFA175C240C400A33
PFA175C240T400A33
PFA175C480C400A33
PFA175C480T400A33
PFA175G240C400A33
PFA175G240T400A33
PFA175G480C400A33
PFA175G480T400A33
Equivalent Standard Model Number
PFM4914VB6M24D0C00
PFM4914VB6M24D0T00
PFM4914VB6M48D0C00
PFM4914VB6M48D0T00
PFM4914BB6M24D0C04
PFM4914BB6M24D0T04
PFM4914BB6M48D0C04
PFM4914BB6M48D0T04
PFM4914BB6M24D0C08
PFM4914BB6M24D0T08
PFM4914BB6M48D0C08
PFM4914BB6M48D0T08
Output Power vs. Case Temperature for operation from 85-264 Vac (rectified).
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