Specifications

118
NLUO PMC CONTRACTOR
SIGNATURE AND SEAL SIGNATURE AND SEAL SIGNATURE AND SEAL
Storage Temperature Range: -30°C to +70°C
Maximum Humidity: 95%RH - Non Condensing (at 40°C)
Colour/Case Material: Red or White/ PC ABS
Ingress Protection Rating: IP21 (IP65 with WS2-WPK)
Weight (g)/Dimensions (mm): 152 / H112 x W112 x D67
Base Fixing Centers (mm): 48 ~ 74
1.5 ISOLATOR BASE:
Isolator Base fully monitored for short/Open circuit compatible with ESP Analogue Addressable Protocol,Electronically
addressed, approved by LPCB,unit incorporated an amber LED to show when it is isolating a section of a Loop. Model number
is as specified in the BOQ.
Operating Voltage: 17 - 41Vd.c.
Quiescent Current (typ): 50µA
Current In Short Circuit: <10mA
Maximum Short Circuit Current: 1A
Operating Temperature Range: -10°C to + 50°C
Storage Temperature Range: -30°C to + 60°C
Maximum Humidity: 95%RH - Non Condensing (at 40°C)
Maximum Number of Isolators per Loop: 127
1.6WIRING:
Low voltage cables shall be aluminum conductor, PVC insulated, Screened, armoured, multi strand construction. The
cables shall conform to IS 1554 Part I in all respects. Cables shall be laid in tray/Hume pipe/in ready made
trenches etc., as required.
The sizes of cables shall be selected to limit the voltage drop during running and voltage dip during starting to 5% and
10% respectively. Adequate derating factors shall be considered
RATING - The cable shall be rated for a voltage of 1100 Volts.
CORE IDENTIFICATIONS
Cores shall be provided with the following color scheme of PVC insulation:
1 core : Red/Black/Yellow/Blue
2 core : Red and Black
3 core : Red, Yellow and Blue