Downloads for Isolation Power Transformers (N-77U)

P OWE R T RAN S FO R M E R
CHASSIS MOUNT : Isolation
N-77U
Electrical Specifications (@25°C)
1. Maximum Power:
2. Input Voltage:
3. Output Voltage:
5. Voltage Regulation:
100 VA
Series: 230VAC, 50/60Hz; Parallel: 115V, 50/60Hz
115V @ Full Secondary Load: 0.86Amps RMS
9% TYP @ full load to no load
Description:
The N-77U is power transformer for isolating equipment from direct connection to the
power line. This prevents electrical connection under normal or overload conditions
between the primary and secondary windings.
Safety:
BLK
These units are designed with 1500V isolation between winding to winding and
between winding and core. Materials and construction are rated for Class B (130°C)
insulation system.
N-77U
BLK/YEL
BLK/GRN
BLK/RED
RED
UL: E50476 (Insulation system), B10
RED
Dimensions:
Unit: In inches
A
B
C
D
E
3.375
2.812
3.10
2.25±.030
2.50±.060
D
C
Weight: 4.0 Lbs.
Mounting Holes: 0.203 x 0.375”
Connections: UL1015, 22AWG, 7.0±1” leads, 0.250±0.062” Skin & Tin
Schematic:
BLK
O
RED
115/230 V
50/60 HZ
BLK/YEL
BLK/GRN O
115 V
0.87 A
RED
BLK/RED
E
INPUT:
115VAC (Parallel) – Short BLK to BLK/GRN, Short BLK/YEL to
BLK/RED. Apply voltage accros BLK and BLK/RED.
230VAC (Series) – Short BLK/YEL to BLK/GRN. Apply voltage
across BLK and BLK/RED
A
OUTPUT: RED to RED
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
B
Publish Date: February 11, 2015
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