Downloads for Isolation Power Transformers (N-257MG)

P OWER TRANS FOR MER
CHASSIS MOUNT : Isolation
N-257MG
Electrical Specifications (@25°C)
1. Maximum Power:
500 VA
2. Input Voltage:
230 V, 50 / 60 Hz
3. Output Voltage:
115V + 5%
4. Full Secondary Load: 4.35 Amps RMS
5. Voltage Regulation: 5 % TYP @ full load to no load
Description:
The N-257MG is power transformer for isolating equipment from direct connection to
the power line. It is constructed with nonconcentrically wound coils. The primary and
secondary are wound on separate arbors, then assembled on a laminate core
side-by-side separated by insulation. This prevents electrical connection under
normal or overload conditions between the primary and secondary windings.
B
Safety:
These units are designed with 1500V isolation between winding to winding and
between winding and core. Materials and construction are rated for Class B
insulation system.
Dimensions:
A
Unit: In inches
A
B
C
D
E
5.312
4.50
6.250
3.50
5.125
D
Weight: 23.75 lbs
Mounting Holes: 0.50 x 0.250
Connections: 6 ft. long cord, 6-15P NEMA Plug, 5-15R NEMA Receptacle
Schematic:
C
BLK
230 V
PF
SF
BLK
WHT
WHT
50/60 Hz
PS
GRN
115 V
SS
GRN
E
RoHS Compliance: As of manufacturing date February 2005, all standard products
meet the requirements of 2011/65/EU, known as the RoHS initiative.
* Upon printing, this document is considered “uncontrolled”. Please contact
Triad Magnetics’ website for the most current version.
Web: www.TriadMagnetics.com
Phone 951-277-0757
Fax 951-277-2757
460 Harley Knox Blvd.
Perris, California 92571
Publish Date: December 4, 2013
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