TDK-Lambda NV350, Handbook

Page: 14 / 27

Page 14 of 27 17158 issue 18, August 2011
NV350 Handbook
Description Operation Storage
Overvoltage Category II
Class I
Weight 1 Kg (Dependent on configuration)
IP Rating IPX0
* - 3000m for 60601-1 Edition 2 standards.
Level of Insulation:
Primary mains circuits to earth: 2.25 – 2.35Kvdc.
Primary mains circuits to secondary and earth: 4.25 - 4.35kVDC**.
Primary mains circuits to transformer core: 4.25 - 4.35kVDC**.
Outputs to each other and to earth are isolated to 200VDC except CM modules which are 730 – 760Vdc to earth.
** This test is not possible with modules fitted to the unit as damage to RFI capacitors will occur.
Safety Approvals:
UL60950-1 and CSA22.2 No.60950-1 - UL Recognised. C-UL for Canada.
IEC / EN60950-1 - CE mark.
IEC/EN60950-1, IEC/EN 61010-1 and IEC/EN60601-1 - CB Report and Certificate.
CE marking when applied to any NV350
product, indicates compliance with the Low Voltage Directive (2006/95/EC)
in that it complies with EN60950-1.
UL/CSA 61010-1 : UL + C–UL approval
UL/CSA 60601-1 : UL + C–UL approval
Fuse: Internal fuse (F1): 6.3A/250V fast acting HBC, 5x20mm.
Symbols:
AC
EARTH N – Neutral L – Live
If the earth terminal of the NV350 PSU is connected to the main incoming earth conductor of the end equipment, the
installer must cover the earth symbol with a label bearing the earth symbol of IEC60417-5019.
PRODUCTS COVERED
Unit Configuration Code:
NV350 or NV3 (these models are identical)
followed by: S, R, Q, P, V, C or U, where:
Option Letter Airflow Option
S Forward airflow, standard fan
R Reverse airflow, standard fan
Q Forward airflow, quiet fan
P Reverse airflow, quiet fan
V Forward airflow, temperature controlled fan
C Customer air, fan not fitted
T
Forward airflow, top fan (non-standard model K30052x
only)
U Customer air, fan not fitted, cover not fitted
followed by: S or I, where:
Option Letter Input Option
S Screw input terminals
I IEC input