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Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Aerospond, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries.
Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
TM
Installation Guide
Power Monitoring
CONTROL POWER
AC
5 VA max.; 90V min.; UL Maximums: 600V
L-L
(347V
L-N
);
CE Maximum: 300V
L-N
DC*
3W max.; UL and CE: 125 to 300 Vdc
Ride-through Time
100 msec at 120 Vac
INPUT
Pulse
Solid-state or mechanical contacts (current less than 1mA)
E51H2A: 1 pulse input; E51H5A: 2 pulse inputs
Minimum Pulse Width
20 msec
OUTPUT
Alarm Contacts (E51H2 only)
N.C., static output (30 Vac/dc, 100mA max. @ 25°C,
derate 0.56 mA per °C above 25°C)
RS-485 Port
2-wire, 9600 to 115.2 kbaud, BACnet MS/TP
MECHANICAL CHARACTERISTICS
Weight
0.62 lb (0.28 kg)
IP Degree of Protection
(IEC 60529)
IP40 front display; IP20 meter
Display Characteristics
Back-lit blue LCD
Terminal Block Screw Torque
0.37 to 0.44 ft-lb (0.5 to 0.6 N·m)
Terminal Block Wire Size
24 to 14 AWG (0.13 to 2.08 mm
2
)
Rail
T35 (35 mm) DIN Rail per EN 50022
OPERATING CONDITIONS
Operating Temperature Range
-30 to 70 °C (22 to 158 °F)
Storage Temperature Range
-40 to 85 °C (-40 to 185 °F)
Humidity Range
<95% RH non-condensing
Altitude of Operation
3000 m
Mounting Location
Not suitable for wet locations. For indoor use only.
COMPLIANCE INFORMATION
US and Canada
CAT III, Pollution Degree 2;
for distribution systems up to 347 V
L-N
/600 Vac
L-L
Europe (CE)
IEC/EN 61010-1;
CAT III, Pollution Degree 2;
for distribution systems up to 300 V
L-N
Dielectric Withstand
Per UL 508, IEC/EN 61010-1
Conducted and Radiated
Emissions
FCC part 15 Class B, EN 55011/EN 61000 Class B
(residential and light industrial)
Conducted and Radiated
Immunity
EN 61000 Class A
(heavy industrial)
US and Canada (cULus)
UL 508 (open type device)/CSA 22.2 No. 14-05
* External DC current limiting is required, see fuse recommendations.
Specifications (cont.)