MPN

Siemens Non-Fused Switch Disconnector -, 300mA

RS Stock No.:: 158-074
Mfr. Part No.:: 3VA9978-0AA23
Brand:: Siemens

Siemens Non-Fused Switch Disconnector -, 300mA

Subtotal (1 unit)*

$536.45

(exc. GST)

$590.10

(inc. GST)

FREE delivery for orders over $80.00 ex GST

Stocked by manufacturer

Ready to ship from 27 November 2026

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Units	Per unit
1 +	$536.45

*price indicative

RS Stock No.:: 158-074
Mfr. Part No.:: 3VA9978-0AA23
Brand:: Siemens

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Product Type	Non-Fused Switch Disconnector
	Series	3VA99
	Terminal Type	Screw
	Switching Current	300mA
	Switching AC Voltage	24V ac
	Switching DC Voltage	24V dc
	Padlock Compatibility	No
	Hazardous Area Certification	No
	Depth	65.2mm
	Length	31.4mm
	Width	11mm
	Standards/Approvals	VDE, CCC, CE, EAC, RCM, UKCA, UL

	Select all
	Brand Siemens
	Product Type Non-Fused Switch Disconnector
	Series 3VA99
	Terminal Type Screw
	Switching Current 300mA
	Switching AC Voltage 24V ac
	Switching DC Voltage 24V dc
	Padlock Compatibility No
	Hazardous Area Certification No
	Depth 65.2mm
	Length 31.4mm
	Width 11mm
	Standards/Approvals VDE, CCC, CE, EAC, RCM, UKCA, UL

Datasheet - 3VA9978-0AA23

COO (Country of Origin):: RS

The Siemens leading changeover switch, part of the 3VA series, is engineered with a surge voltage resistance of 4 kV and operates at AC and DC with a rated voltage of 24 V. It utilises a degree of pollution rating of 3 and is designed for high efficiency with a lead time of just 20 ms, ensuring swift operational responsiveness.

Compatible with various models for streamlined integration

Thermal current rating of 0.3 A for reliability

Tightening torque range of 0.4 to 0.5 N·m

Stripped length of 15 mm for easy installation

Connects conductors from 0.5 to 1.5 mm²