Устройство контроля мощности KM-N2

Single-phase, 2-wire: 
100 to 277 VAC
Single-phase, 3-wire: 
100 to 240 VAC (L-N) or 200 to 480 VAC (L-L)
Three-phase, 3-wire: 
100 to 277 VAC (L-N) or 173 to 480 VAC (L-L)
Three-phase, 4-wire: 
100 to 277 VAC (L-N) or 173 to 480 VAC (L-L)

Same as measured circuits:

100 to 277 VAC (L-N)

173 to 480 VAC (L-L)

90 × 65 × 90 mm

RS-485 communications, 
pulse output

KM-N2-

Applicable phase wiring methods

Single-phase two-wire, single-phase three-wire, three-phase three-wire, and three-phase four-wire

Number of measured circuits

Single-phase two-wire: 4 circuits max., Single-phase three-wire or three-phase three-wire: 2 circuits max., 
Three-phase four-wire: 1 circuit

Power consumption

7 VA max.

Input

Rated input voltages 
(power supply voltages)

Single-phase, 2-wire:100 to 277 VAC 
Single-phase, 3-wire:100 to 240 VAC (L-N) or 200 to 480 VAC (L-L) 
Three-phase, 3-wire: 173 to 480 VAC (L-L) 
Three-phase, 4-wire: 100 to 277 VAC (L-N) or 173 to 480 VAC (L-L)

Allowable supply voltage range

85% to 115% of rated power supply voltage

Connectable CTs

General-purpose CT with a rated secondary current of 1 A or 5 A 

Maximum CT secondary current

6 A

Rated input frequency

50/60 Hz

Ambient operating temperature

−25 to 55°C (with no condensation or icing)

Ambient operating humidity

25% to 85%

Storage temperature

−25 to 85°C (with no condensation or icing)

Storage humidity

25% to 85%

Operating altitude

2,000 m max.

Installation environment

Overvoltage category II, measurement category II, pollution degree 2

Electromagnetic environment

Industrial electromagnetic environment (EN/IEC 61326-1 Table 2)

Compliant standards

EN 61010-2-030, EN 61326-1, and UL 61010-1