3SU1851-0NB00-2AA2 | Enclosure for command devices, 22 mm, round, Enclosure material metal, Enclosure top part yellow, 1 control point metal, A=EMERGENCY STOP mushroom pushbutton red, 40 mm, rotate-to-unlatch, Control point in center, 2 NC, screw terminal, floor mounting, 1xM20 each on top and bottom – Siemens

Name: 3SU1851-0NB00-2AA2 | Enclosure for command devices, 22 mm, round, Enclosure material metal, Enclosure top part yellow, 1 control point metal, A=EMERGENCY STOP mushroom pushbutton red, 40 mm, rotate-to-unlatch, Control point in center, 2 NC, screw terminal, floor mounting, 1xM20 each on top and bottom - Siemens - myelectric.in
Brand: Siemens
SKU: 3SU1851-0NB00-2AA2
Price: 12461.40 INR
Availability: InStock

SKU: 3SU1851-0NB00-2AA2

Original price was: ₹27,090.00.Current price is: ₹12,461.40. Excl. GST

In stock

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The Siemens 3SU1851-0NB00-2AA2 is an electrical enclosure, engineered for safe and organised power distribution in demanding Indian and international installations. Buy the 3SU1851-0NB00-2AA2 | Enclosure for command devices, 22 mm, round, Enclosure material metal, Enclosure top part yellow, 1 control point metal, A=EMERGENCY STOP mushroom pushbutton red, 40 mm, rotate-to-unlatch, Control point in center, 2 NC, screw terminal, floor mounting, 1xM20 each on top and bottom online at myelectric.in with GST invoice, genuine-product assurance, and fast delivery across India — bulk and worldwide export enquiries welcome.

📋 Technical Specifications

Parameter	Value
Brand	Siemens
Part Number / SKU	3SU1851-0NB00-2AA2
Category	Electrical Enclosure
Contact Configuration	2 NC (Normally Closed)
Standard	IEC 61439-3 / IS 8623
Certifications	BIS certified, CE, cULus (select models)

⚡ Key Features

35mm DIN rail and neutral busbar pre-fitted — ready to accept MCBs, RCCBs, RCBOs, and surge protection devices directly from the box with no additional mounting hardware.
Knock-out cable entry points on top, bottom, and sides — accommodate PVC conduit, steel conduit, trunking, or direct cable entry without drilling the enclosure body.
Flame-retardant thermoplastic construction (UL 94 V-0) — self-extinguishes within 10 seconds; does not propagate flame in the event of internal fault or external fire exposure.
Manufactured to IEC 61439-3 / IS 8623 — complies with the applicable Indian BIS and IEC international standards for this product category.
BIS certified, CE, cULus (select models) — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
Genuine authorised Siemens product — sourced directly from the official distribution network with full manufacturer traceability and warranty.
GST invoice provided for India orders — valid for corporate procurement, government project orders, and public tender supply via myelectric.in.
Worldwide export available — UAE, Singapore, UK, USA, Sri Lanka & more. Contact +91 94814 00316 for bulk pricing and international shipping.

❓ Frequently Asked Questions

Q: What does the 2 NC (Normally Closed) contact configuration on the 3SU1851-0NB00-2AA2 mean?

A: These contacts change state when the device is operated or energised. Size the contact for the actual switched load — pilot duty ratings are typically lower than the main contact rating.