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2820-el

SEW-Taiwan

Sew 2820 EL

Category: Digital ELCB Testers
FEATURES
● Microprocessor-controlled.
● Operating voltage 100-450V L-E.
● Rated current 999mA, at 317V AC/50Hz.
● Checks ELCB trip time and trip point (sensitivity).
● Auto off and auto ranging.
● Phase angle selection(0° / 180°).
● Indicates tripping phase angle.
● Impact resistant enclosure.
● Over temperature shut-down.
● Transient protection.
● Suitable for heavy industrial use.
● Fused.
 
  SPECIFICATIONS
     
 
Trip current-range 0-1A at 317V
(Auto-Rang Programmable)
Trip current-
resolution		 1mA
Operating voltage (L-E) 100 - 450V
Phase angle setting 0° and 180° selectable
Timer-max 99.999s
Timer resolution 1ms
Typical Accuracy
Trip-current ±1%rdg±1mA
Trip-time ±1%rdg±1dgt
Voltage ±3%rdg±1dgt
Operating temperature -
humidity		 -10°C to +40°C
80% Max. relative humidity
Dimensions 170(L) × 120(W) × 95(D)mm
Weight
(battery included)		 Approx. 800g
Power source 1.5 (AA) × 8
Safety standard EN 61010-1 CAT III 450V
EN 61326-1

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