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Schneider Electric A9S70740 — Circuit Breaker Accessories

A9S70740 Acti9 iSW-NA Switch Disconnector, 3P+N 40A

MPNA9S70740
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Schneider Electric Acti9 iSW-NA switch disconnector, 3P+N, 40A rated, 400/415 V AC, clip-on DIN rail mount.

$48.53 – $58.00Ref. price · indicative, final on quote
Schneider Electric A9S70740 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

A9S70740 — Identification
ParameterValue
Product / component typeSwitch disconnector
Product nameActi9 iSW-NA
Product rangeActi9
Device applicationIsolation Control
A9S70740 — Electrical
ParameterValue
Rated operational voltage [Ue]400/415 V AC 50/60 Hz
Rated insulation voltage [Ui]500 V AC 50/60 Hz conforming to EN/IEC 60947-3
Rated impulse withstand voltage [Uimp]6 kV conforming to EN/IEC 60947-3
Poles description3P + N
A9S70740 — Protection & Performance
ParameterValue
Suitability for isolationYes conforming to EN/IEC 60947-3
Utilisation categoryAC-22A conforming to EN/IEC 60947-3
Mechanical durability20000 cycles
Electrical durability10000 cycles
Local signallingON/OFF indication
Contact position indicatorYes
A9S70740 — Mechanical
ParameterValue
Connections / terminalsTunnel type terminals (top or bottom) 1 cable(s) 1...25 mm² flexible without cable end Tunnel type terminals (top or bottom) 1 cable(s) 1...35 mm² rigid without cable end
Device short nameiSW-NA
Control typeToggle Remote tripping
Mounting modeClip-on
Mounting supportDIN rail
Usable 9 mm pitches8
Width72 mm
Height85 mm
Depth74 mm
ColourWhite
A9S70740 — Environmental
ParameterValue
IP degree of protectionIP20
Pollution degree3 conforming to IEC 60947-3
Operating ambient air temperature-35...70 °C
Storage ambient air temperature-40...85 °C
A9S70740 — Approvals
ParameterValue
StandardsIEC 60947-3 EN 60947-3

Product details

The A9S70740: Acti9 iSW-NA switch disconnector rated 40 A at 400/415 V AC in AC-22A utilisation – handles mixed resistive and inductive loads that don't require high switching frequency. Conforms to EN/IEC 60947-3, marked for isolation (off-load switching and safe disconnection). 3P + N poles, neutral on the left, 72 mm wide. Clip-on DIN rail mounting, IP20 finger-safe terminals.

Wire strip 14 mm, torque to 3.5 N·m. Comb busbars compatible top or bottom. Rated short-time withstand 20 kA for 1 second; short-circuit making capacity 5 kA as standalone. Pollution degree 3, tropicalisation class 2 – suited for humid or industrial environments.

Frequently asked questions

What is the rated operational current and voltage?

The A9S70740 is rated 40 A at 400/415 V AC, 50/60 Hz, per IEC 60947-3.

What type of switch disconnector is this?

It is a 3-pole + neutral switch disconnector with isolation suitability (AC-22A category) for mixed resistive and inductive loads.

What compliance standards does it meet?

It conforms to IEC 60947-3 and EN 60947-3, with IP20 protection, pollution degree 3, and tropicalisation class 2.

MPN
A9S70740