HT 1011250 | Combi 521 VDE0100 / VDE0105 installation tester, auto-sequence function, EVSE test, HT Combi series

Manufacturer number: 1011250

HT Instruments 1011250 | Combi 521 VDE0100 / VDE0105 installation tester with auto-sequence function including EVSE test sequence for charging stations, HT Combi series.

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Description

1011250 | Combi 521 VDE0100 / VDE0105 installation tester, auto-sequence function, EVSE test, HT Combi series

The HT Instruments Combi 521 is a VDE0100 / VDE0105 installation tester with auto-sequence function of the HT Instruments Combi series with a very good price-performance ratio. The Combi 521 enables you to quickly and easily check electrical installations in accordance with VDE 0413 (EN 61557) Part 2, 3, 4, 6 & 7.

The light but robust installation tester has a large black / white display that is easy to read even in difficult lighting conditions. Operation is intuitive and easy thanks to the sophisticated user interface.

Product features:

  • AUTO sequence (Ra-> RCD-> Riso)
  • Low resistance measurement with> 200 mA DC
  • Insulation measurement (L-PE / LN / N-PE)
  • Polarization measurement (PI & DAR)
  • RCD type A, AC, B, EV
  • Line and loop impedance
  • Short circuit current with OK / NO display
  • Rotating field
  • Voltage drop
  • Leakage Current & Fault Current *
  • Network quality analysis
  • Environmental parameters *
  • EVSE AUTO sequence *
  • Internal memory and USB port
  • Wi-Fi connection for Android / iOS smartphones and tablets
  • Safety according to CAT IV 300 V

* Requires optional accessories

Accessoires (12 products )

HT 1004160
PR400 test probe with START button for the test devices of the COMBI400 series
Delivery time upon request
On Request
HT 2009220
Sortimo L-Boxx HT system case Sortimo for Combi series, I-V400, PV-CHECK
Delivery time upon request
On Request
HT 1009460
606-IECN Magnetic adapter for voltage tap 4 mm socket CATIII 1000V, CAT IV 600V, black
4 in stock. Ready to ship in 1 business day
On Request
HT 2009670
R-PE TEST ROD Extension rod R-pe measurement, extendable from 45 to 85cm
Delivery time upon request
On Request
HT 2009310
TL-30MKT extension cable 30m, green, on a practical cable drum
Delivery time upon request
On Request
HT 2009690
TL-50MKT extension cable 50m, green, on a practical cable drum
Delivery time upon request
On Request
HT 1003980
IMP57 adapter for impedance measurement up to 80kA short-circuit current, 200A test current
Delivery time upon request
On Request
HT 1005550
HT4005N mini current transformer 0.005A - 100A AC, with 2 measuring ranges 5A, 100A
Delivery time upon request
On Request
HT 1003560
HT96U leakage current transformer clamp AC switchable 1A-100A-1000A / 1V
Delivery time upon request
On Request
HT 1006500
HT4004 current transformer 0.01A - 100A DC, for direct connection to the Combi420, Sirius89N, GSC53S,
Delivery time upon request
On Request
HT 1010700
VA507 hard case Combi for Combi, PQA, VEGA, PV test devices
Ready to ship in 5 to 10 business days
On Request
HT 1010960
EV-TEST100 test adapter, 1- and 3-phase, plug type 2, for e-charging stations
Delivery time upon request
On Request

Alternate products (2 products )

HT 1011230
Easytest VDE0100 / VDE0105 installation tester, auto-sequence function, HT Combi series
Delivery time upon request
On Request
HT 1011240
Combi 519 VDE0100 / VDE0105 installation tester, auto-sequence function, HT Combi series
Delivery time upon request
On Request

Recommendations (2 products )

dataTec 0100_RT_251016
TÜV seminar: Standard VDE 0100/VDE 0105 “Theory and Practice” in Reutlingen, 16 & 17 October 2025
Delivery time upon request
€995.00
dataTec 0100_RT_250403
TÜV seminar: Standard VDE 0100/VDE 0105 “Theory and Practice” in Reutlingen, 03.&04.04.2025
Delivery time upon request
€995.00

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About the Manufacturer

HT
HT is one of the leading European manufacturers of measuring instruments for testing electrical quantities, energy and electrical installations. The Italian company was founded in 1987 and has its own subsidiaries in Spain and Germany.

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