2SD 520 - 50/4,0

*Photo shows the 2SD side channel blowers series, not necessarily this exact model. Image: Elektror

Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.

Technical data

Source: Elektror product page · retrieved 2026-10-06

As published	50 Hz; pressure; printed as Volume flow	50 Hz; pressure; printed as Total pressure difference	50 Hz; vacuum (negative pressure); printed as Volume flow (negative pressure)	50 Hz; vacuum (negative pressure); printed as Total pressure difference (negative pressure)	50 Hz; printed as Performance	60 Hz; pressure; printed as Volume flow	60 Hz; pressure; printed as Total pressure difference	60 Hz; vacuum (negative pressure); printed as Volume flow (negative pressure)	60 Hz; vacuum (negative pressure); printed as Total pressure difference (negative pressure)	60 Hz; printed as Performance	as printed: "Weight"
Volume flow Pumping speed	3,83 m³/min oem source Source · 2026-10-06		3,83 m³/min oem source Source · 2026-10-06			4,58 m³/min oem source Source · 2026-10-06		4,58 m³/min oem source Source · 2026-10-06
Δp max (compression) Max. pressure		44000 Pa oem source Source · 2026-10-06					48000 Pa oem source Source · 2026-10-06
Δp max (vacuum) Max. vacuum				39000 Pa oem source Source · 2026-10-06					41000 Pa oem source Source · 2026-10-06
Motor power					4,0 kW oem source Source · 2026-10-06					6,0 kW oem source Source · 2026-10-06
Weight											44 oem source Source · 2026-10-20

Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.

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Documents

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Service parts

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