Megger SVERKER 780 Relay and Substation Test System

Brand: Megger

SKU: 125541

The Megger SVERKER 780 is a versatile single-phase relay and substation test system delivering up to 250 A and 220 V AC with continuous phase shift and variable frequency (15–550 Hz). Building on the SVERKER 750, it adds frequency-relay testing and enhanced measurement for advanced protection work.

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Description

Overview

The Megger SVERKER 780 is a versatile single-phase relay and substation test system that builds on the field-proven SVERKER 750 platform. It provides precise current, voltage and phase outputs – up to 250 A and an enhanced 5–220 V AC source with continuous phase shift – so protection engineers can test virtually all types of protective relays, including frequency relays that the 750 cannot cover.

Variable frequency from 15 to 550 Hz makes the 780 suitable for testing frequency and voltage relays across a wide range, while its integrated timer, precise metering and directional-test capability handle overcurrent, earth-fault, differential, distance and reclosing protection. Auxiliary DC powers the relay under test, and two units can be synchronised for basic three-phase testing, making the SVERKER 780 a capable, portable substation test tool.

Key Features

Single-phase relay and substation test system
Current output up to 250 A; enhanced AC source 5–220 V (0.1 V steps)
Continuous phase shift for directional testing
Variable frequency 15–550 Hz for frequency-relay testing
Auxiliary DC to power the relay under test
Integrated timer plus current, voltage and phase-angle measurement
Two units synchronise for basic three-phase testing

Applications

Testing overcurrent, earth-fault and frequency relays
Differential and distance protection testing
Directional and reclosing device testing
Substation protection commissioning and maintenance

What’s in the Box

Megger SVERKER 780 Relay and Substation Test System
Test leads and connection cables
Mains power lead
User guide

Why Buy from MME in UAE

MOHAMMAD MAHDI Electronics Trading LLC (MME) is a trusted supplier of Megger test and measurement equipment across the UAE and wider Middle East. We offer genuine products, competitive pricing, and knowledgeable local support to help you choose the right instrument for your application. For full technical details, download the datasheet below.

Specifications

Environment

Application Field	Intended for use in high-voltage substations and industrial environments
Operating Temperature	0 °C to +50 °C (32 °F to +122 °F)
Storage & Transport	-40 °C to +70 °C (-40 °F to +158 °F)
Humidity	5% – 95% RH, non-condensing
CE Marking	LVD Directive 2006/95/EC, EMC Directive 2004/108/EC

General

Mains Voltage	115/230 V AC, 50/60 Hz
Power Consumption (max)	1380 W
Protection	Thermal cut-outs, automatic overload protection

Dimensions

Instrument	350 × 270 × 220 mm (13.8” × 10.6” × 8.7”)
Transport Case	610 × 350 × 275 mm (24.0” × 13.8” × 10.8”)

Weight

SVERKER 750	17.3 kg (38.1 lbs); 26.3 kg (58 lbs) with accessories and transport case
SVERKER 780	18.1 kg (39.9 lbs); 27.1 kg (59.7 lbs) with accessories and transport case

Test Leads

Stackable Safety Plugs	2 × 0.25 m (2.5 mm²), 2 × 0.5 m (2.5 mm²), 8 × 2.0 m (2.5 mm²)
Spade Tongue Connectors	2 × 3.0 m (10 mm²)

Display & Languages

Display	LCD
Available Languages	Czech, English, French, German, Spanish, Swedish, Turkish

Timer

Range	Resolution	Inaccuracy
0 – 9.999 s	1 ms	±(1 ms + 0.01%)
10.00 – 99.99 s	10 ms	±(10 ms + 0.01%)
100.0 – 999.9 s	100 ms	±(100 ms + 0.01%)
0.0 – 999.9 cycles	0.1 cycles	±(0.1 cycles + 0.01%)
1000 – 49999 cycles at 50 Hz 1000 – 59999 cycles at 60 Hz	1 cycle	±(1 cycle + 0.01%)

Ammeter

Measurement Method	AC true RMS, DC mean value
Ranges	Internal: 0.00 – 250.0 A External: 0.000 – 6.000 A
Inaccuracy (Internal)	0–10 A AC ±(1% + 20 mA) 0–40 A AC ±(1% + 40 mA) 0–100 A AC ±(1% + 200 mA)
Inaccuracy (External)	0–0.6 A AC ±(1% + 20 mA) 0–6 A AC ±(1% + 20 mA) 0–0.6 A DC ±(0.5% + 2 mA) 0–6 A DC ±(0.5% + 20 mA)
Resolution	Internal: 10 mA (<100 A), 100 mA (>100 A) External: 1 mA

Voltmeter

Measurement Method	AC true RMS, DC mean value
Range	0.00 – 600.0 V
Inaccuracy	AC ±(1% + 200 mV) max DC ±(0.5% + 200 mV) max

Extra Measurements

Measurement	Range	Resolution	Inaccuracy
Power Factor cos φ	-0.99 (cap) to +0.99 (ind)	0.01	±0.04
Phase Angle φ	0 – 359°	1°	±2°

Other: Impedance and power (Z, R, X, P, S, Q for AC; R and P for DC)

Make/Break Contact

Max Current	1 A
Max Voltage	250 V AC or 120 V DC

Reclosing Test

Items Measured	Tripping and reclosing times
Display	List of all times after test
Breaker State Feedback	Make/Break contact can be used to feed back breaker state
Max Reclosings	49
Max Testing Time	999 s

Sets of Resistors and Capacitor

Resistors	0.5 Ω to 2.5 kΩ
Capacitor	10 μF, max voltage 450 V AC

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