R. STAHL LS Leitungsschutzschalter 8530/1-MCB-STA102-C20-000-2

Article No.: 293972

Key Features

Trennerfunktion nach EN 60947-2
Energiebegrenzungsklasse 3
Modular design for easy expansion and modification
Simple mounting by snapping onto top-hat rails in Ex e enclosures
Fixed thermal and magnetic trip units
Ergonomically shaped lever for secure switching
Padlockable for safety during maintenance (accessories required)

Product Overview

The R. STAHL 8530 series of miniature circuit breakers offers excellent current limitation for short circuits and high breaking capacity (10, 15, or 25 kA). This results in reduced stress on conductors and higher selectivity with upstream fuses. The modular design allows for 1- to 4-pole configurations and nominal currents from 0.5–63 A. The maximum installation capacity is 4.5 modules (TE).

Technical Data

Explosion Protection

Einsatzbereich (Zonen): 1, 2
Einsatzbereich (Zonen) Hinweis: Usable in Zone 21 / 22 with protection by enclosure Ex tb / tc
IECEx Bescheinigung Gas: IECEx FMG 19.0029U
IECEx Gasexplosionsschutz: Ex db eb IIC Gb
ATEX Bescheinigung Gas: FM19ATEX0191U
ATEX Gasexplosionsschutz: II 2 G Ex db eb IIC Gb
Bescheinigungen: ATEX (FM), Brasilien (ULB), IECEx (FM), Volksrepublik China (CQST)
Konformitätserklärungen: Konformitätsbescheinigung (ATEX)

Elektrische Daten

Bemessungsbetriebsspannung AC: 230/400 V
Bemessungsbetriebsstrom: 20 A
Frequenz: 50/60 Hz
Bemessungsschaltvermögen: 10 kA
Elektrische Lebensdauer: 2 x 10⁴
Mechanische Lebensdauer: 2 x 10⁴
Hilfsfunktion: ohne
Bemessungsspannung 1. Hilfsfunktion AC: -
Max. Bemessungsstrom 1. Hilfsfunktion: -
2. Hilfsfunktion: ohne
Max. Spannung 2. Hilfsfunktion DC: -

Auslösecharakteristik

Polzahl: 2-polig

Umgebungsbedingungen

Umgebungstemperatur: -40 °C ... 70 °C

Mechanical Data

Schutzart (IP) (IEC 60529): IP2X
Gehäusematerial: Thermoplast
Anschlussquerschnitt min.: 1.5 mm²
Anschlussquerschnitt max.: 25 mm²
Anschlussquerschnitt AWG min.: 16 AWG
Anschlussquerschnitt AWG max.: 4 AWG
Anschlussquerschnitt 2 min.: 1.5 mm²
Anschlussquerschnitt 2 max.: 10 mm²
Anschlussquerschnitt 2 AWG min.: 16 AWG
Anschlussquerschnitt 2 AWG max.: 8 AWG
Anzugsdrehmoment min.: 2 N·m
Anzugsdrehmoment max.: 3 N·m
Anschlussquerschnitt Hinweis: 2-conductor connection (upper and lower chamber simultaneously): upper and lower chamber max. 16 / 10 mm² (A maximum cross-section difference between the upper and lower chamber may be clamped.)
Breite: 65 mm (2.56 in)
Länge: 165 mm (6.5 in)
Einbautiefe: 138.3 mm (5.44 in)
Gewicht: 1 kg (2.205 lb)

Montage / Installation

Anzugsdrehmoment: 2-3 N·m
Anzugsdrehmoment lbf·in: 17.7 ... 26.6 lbf·in
Anzugsdrehmoment Hilfskontakt: 0.4-0.6 Nm
Anzugsdrehmoment Hilfskontakt lbf·in: 3.5 ... 5.3 lbf·in

Technische Zeichnung

Auslösecharakteristik C

A graph showing tripping time in minutes and seconds versus multiples of the rated current (I/In). The graph displays a limit curve from a cold state for AC and DC, with specific tripping characteristics indicated for type C.

Maßzeichnung

Dimensional drawings showing the overall dimensions of the circuit breaker, including width, length, and depth, with measurements provided in millimeters and inches. It also indicates the unit is 2-pole and has 2 module widths.

Zubehör

Abschließvorrichtung vierfach

A four-way locking device for individually locking the component, allowing up to 4 cylinder locks to be used. Art. Nr.: 227232

Befestigungsset

A mounting set for attaching the component to the mounting plate without a top-hat rail. Art. Nr.: 276618

Zylinderschloss

Cylinder lock for locking (shackle Ø 3). Art. Nr.: 107115

Changes to technical data, dimensions, weights, designs, and delivery options are reserved. Illustrations are non-binding.

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