Specifications
143
NLUO PMC CONTRACTOR
SIGNATURE AND SEAL SIGNATURE AND SEAL SIGNATURE AND SEAL
PROTECTION
30. GALVANIC ISOLATION: UPS should have
inbuilt double wound heavy duty isolation
transformer at output.
31. INPUT: Input single phasing. Input under / over
voltage. Negative phase sequence on input and
bypass, RC surge suppressor.
32. BATTERY: Battery low, DC over voltage,
battery current limit, Battery circuit breaker.
33. OUTPUT; Under / over voltage, overload, short
circuit, Inv. Over temp, HRC fuses in control
circuit, semiconductor fuse in power devices, and
snubber circuit for dv / dt protection.
34. EMI / EMC PROTECTION: UPS Should have
EMC / EMI protection.
DISPLAY
35. STANDARDS: SAFETY :EN 50091-1/IEC
62040-1-1 EMC:EN 50091-2/IEC 62040-2
DESIGN/ PERFORMANCE : EN 50091-3/IEC
62040-3
DISPLAY
36. LED DISPLAY: menu drive LCD panel provided
or measuring all the parameters, check the status,
function, maintenance and set up. Line flow










