Eelectron BO08S01KNX KNX switching actuator 20 A 8-fold current measurement
Eelectron BO08S01KNX KNX switching actuator 20 A 8-fold current measurement

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Eelectron

Eelectron BO08S01KNX KNX switching actuator 20 A 8-fold current measurement

SKU: BO08S01KNX
(0)
✗ UL Listed
This product has not been certified by an NRTL (UL, ETL, CSA or equivalent). Installation in USA projects may require a Field Evaluation by a recognized laboratory. Consult your local AHJ before specifying.
⚡ Mains Voltage · No US Cert
This device operates with or switches mains voltage (120/240VAC) and has not been certified by an NRTL. USA installation requires a Field Evaluation by a recognized laboratory and explicit AHJ approval.
$441.90 USD
-27% $602.56 USD $441.90 USD
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The Eelectron BO08S01KNX is an 8-channel KNX switching actuator with 20 A relays, aimed at heavy lighting circuits, receptacle loads and plant equipment in commercial and hospitality panels. It integrates true-RMS current sensing on every output: each channel reports its actual load current to the bus, two thresholds trigger a warning and a protective trip, and a Load Control function supervises total consumption across up to 16 sources.

Each relay is configured independently for lights or generic loads, and groups of up to 8 relays can be combined with logic interlock for special sequences. Eight logic blocks handle threshold, logical and algebraic expressions locally. Toggle switches under the cover allow manual ON/OFF of every circuit for maintenance, and front LEDs show contact state plus slow/fast blink codes for warning and alarm conditions. Because the relays do not switch simultaneously, three-phase loads must not be split across groups of 3 relays.

Key Features

  • 8 relay outputs, 20 A at 230 V AC ±10 % (AC1, cos φ ≥ 0.8); 16 A at cos φ ≤ 0.8
  • 500 A / 2 ms peak current; 1 x 10⁶ minimum mechanical operations
  • Resistive load 20 A; incandescent 16 A; motor 10 A; fluorescent 10 A per output
  • True-RMS current measurement 0.1–20 A per channel, ±3 % ±100 mA at 50/60 Hz, 300 ms input filter
  • Two programmable current thresholds per channel: warning on the first, alarm with relay opening on the second
  • Load Control function monitors total system consumption from up to 16 sources
  • Groups of up to 8 relays with logic interlock for special functions; 8 logic blocks configured in ETS
  • Manual ON/OFF toggle switches under the cover (authorized installer, mains off) and per-output status LEDs
  • Large terminals: up to 6 mm² solid, 20–10 AWG rated, M3 screws at 0.5 Nm
  • 8-module DIN-rail housing in PC-GF; 250 group addresses / 250 associations

Technical Specifications

Power supply Via KNX bus, 21–32 V DC (SELV)
Current consumption ≤ 12 mA; ≤ 25 mA for 80 ms per relay during switching
Outputs 8 relays; AC1 20 A / 230 V ±10 % (cos φ ≥ 0.8), 16 A / 230 V (cos φ ≤ 0.8)
Max peak current 500 A / 2 ms
Load limits Resistive 20 A; incandescent 16 A; motor 10 A; fluorescent 10 A (230 V AC ±10 %); LED drivers: check inrush against relay peak rating
Mechanical life 1 x 10⁶ switching operations minimum
Current detection True RMS, 0.1–20 A per output; accuracy ±3 % of reading ±100 mA at 50/60 Hz
Detection filter / minimum Low-pass, tau 300 ms; minimum detected current > 100 mA (23 W)
Logic blocks 8
Terminals Max 6 mm² solid; rated 20–10 AWG (0.5–5 mm²); M3.0 screw, 0.5 Nm
Group addresses / associations 250 / 250
Mounting DIN rail, 8 modules; LV distribution switchboard
Enclosure PC-GF, IP20 (EN 60529)
Operating temperature -5 °C to +45 °C (23 °F to 113 °F)
Storage temperature -25 °C to +55 °C (-13 °F to 131 °F)
Relative humidity max 90 % non-condensing, indoor use
Standards EN 63044-3; EN 63044-5-1 / EN 63044-5-2; EN 50491-2; LVD 2014/35/EU; EMC 2014/30/EU
Certifications KNX certified; CE
ETS application BO08S0xKNX switching actuator application
Weight (net) 0.25 kg (0.55 lb)
Manufacturer part no. / GTIN BO08S01KNX / 8054144524450

Related Products

Sibling: BO08S02KNX (same 20 A relays without current sensing). For 16 A circuits with inputs and thermostats see the F-series IO08F01KNX / BO08F01KNX; for a lean 16 A switch actuator see BO08K01KNX. Bus power from PS00D03KNX or PS00D04KNX; whole-installation metering can be added with PM30E01IRE + PM00A00IRI.

CE certified; not UL/NRTL listed — verify local code requirements before specifying in US installations.

Datasheet (PDF) · Available to order.

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