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SEW ELCB Tester 2820-EL

Name: SEW ELCB Tester 2820-EL
Brand: SEW
SKU: ADLRB
Price: 315.9 USD
Availability: InStock

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SKU ADLRB Category Circuit Breakers Brand SEW Condition New

Specifications

Country of Origin	Taiwan
Package Contents	SEW 2820-EL ELCB Tester / Instruction manual / Test leads / Shoulder belt / Batteries
Voltage	±3%rdg±1dgt
Power Source	1.5V (AA)x8
Brand	SEW
Dimensions	170x120x95 mm
Model	SEW 2820-EL
Safety Standard	EN 61010-1 CAT III 450V EN 61326
Trip Time	±1%rdg±1dgt
Weight (Battery Included)	Approx.800 g
Operating Voltage (L-E)	100-450V
Trip Current Range	0-1A at 317V (Auto-Rang Programmable)
Trip Current Resolution	1mA
Phase Angle Setting	0° and 180° selectable
Timer Max	99.999s
Timer Resolution	Timer resolution
Trip Current	±1%rdg±1mA
Operating Temperature-Humidity	-10°C to +40°C 80% Max relative humidity

Key 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.

Product Description

The SEW 2820-EL is a high-performance ELCB Tester that simplifies testing of earth leakage circuit breakers to confirm their correct tripping functionality. Capable of delivering test currents at different steps (10 mA to 500 mA), this device checks trip time, trip current, and overall responsiveness under fault conditions. Designed with a clear digital display and built-in warning indicators, it allows users to test single-phase installations safely and efficiently. It complies with major electrical safety standards and is ideal for residential, industrial, and commercial setups. Whether used in installations, repairs, or routine maintenance, the SEW 2820-EL ensures RCCB systems operate reliably and within safety limits.

Available on EnvMart, these Circuit Breakers are designed to protect electrical systems from overloads and short circuits. SEW Circuit Breakers offer safety, reliability, and long-lasting performance, making them ideal for residential, commercial, and industrial applications.

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Frequently Asked Questions

The SEW ELCB Tester 2820-EL operates within a voltage range of 100-450V L-E.

The rated current of the SEW ELCB Tester 2820-EL is 999mA at 317V AC/50Hz.

The SEW ELCB Tester 2820-EL checks ELCB trip time and trip point (sensitivity), and it features auto off, auto ranging, and phase angle selection (0° / 180°).

The maximum timer duration for the SEW ELCB Tester 2820-EL is 99.999 seconds.

The weight of the SEW ELCB Tester 2820-EL, including batteries, is approximately 800 grams.

The SEW ELCB Tester 2820-EL complies with safety standards EN 61010-1 CAT III 450V and EN 61326.

The operating temperature range for the SEW ELCB Tester 2820-EL is -10°C to +40°C with a maximum relative humidity of 80%.

The package contents of the SEW ELCB Tester 2820-EL include the tester itself, an instruction manual, test leads, a shoulder belt, and batteries.

The trip current range of the SEW ELCB Tester 2820-EL is from 0 to 1A at 317V, and it is auto-rang programmable.

The dimensions of the SEW ELCB Tester 2820-EL are 170 x 120 x 95 mm.

The trip current resolution of the SEW ELCB Tester 2820-EL is 1mA.