Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Siemens Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel - Fusible Safety Switches
SiemensFusible Safety Switches

Siemens Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel

The SIEMENS DTF323R is a 100 A, three-phase fusible safety switch rated for 240V AC, housed in galvanized steel for indoor/outdoor use. 3G Electric interprets this demand, sources the genuine OEM part, and supports…

SKU 3G-OTH-25887

Brand
Siemens
Item
Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel
Category
Fusible Safety Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Siemens
Manufacturer Part Number
DTF323R
Type
100 A, Three Phase, Galvanized Steel, Indoor/Outdoor
AC
240V
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS DTF323R is a 100 A, three-phase fusible safety switch rated for 240V AC, housed in galvanized steel for indoor/outdoor use. 3G Electric interprets this demand, sources the genuine OEM part, and supports your procurement with specialist expertise across 14 industrial departments — including deep knowledge in electrical controls.

Frequently Asked Questions

What is the SIEMENS DTF323R safety switch used for?

The SIEMENS DTF323R is a fusible safety switch rated for 100 A, three-phase, 240V AC applications. It is designed for indoor/outdoor use in industrial and commercial settings to safely disconnect power for maintenance or emergency shutdown, protecting equipment and personnel.

What are the specifications of the SIEMENS DTF323R safety switch?

The SIEMENS DTF323R is a 100 A, three-phase fusible safety switch with a 240V AC rating. It features a galvanized steel enclosure suitable for indoor/outdoor environments. The manufacturer part number is DTF323R, and it is built for reliable electrical disconnection in industrial power systems.

Where to buy the SIEMENS DTF323R safety switch worldwide?

You can source the SIEMENS DTF323R safety switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine Siemens components for your electrical infrastructure needs.

How to install the SIEMENS DTF323R safety switch?

Install the SIEMENS DTF323R by mounting the galvanized steel enclosure securely and connecting the three-phase 240V AC supply to the line-side terminals. Follow local electrical codes and use proper lockout/tagout procedures. Always consult a qualified electrician for safe installation and compliance.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens fusible safety switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
SIEMENS Safety Switch: Fusible, 200 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTF324). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 200 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTF324). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DTF224R). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DTF224R). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DTF321R). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DTF321R). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN DTF363R). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN DTF363R). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 200 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN DTF364R). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 200 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN DTF364R). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DTF362). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DTF362). Key specifications — Brand: SIEMENS.

More from Siemens

View all Siemens parts
SIEMENS Safety Switch: Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DTF322R). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DTF322R). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HF363S). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HF363S). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 60 A, Three Phase, 600V AC, Non-Metallic, Indoor/Outdoor (MPN HF362NX). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 60 A, Three Phase, 600V AC, Non-Metallic, Indoor/Outdoor (MPN HF362NX). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN HF323J). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN HF323J). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HF363R). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HF363R). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN HF323N). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN HF323N). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN HF223NR). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN HF223NR). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 30 A, Three Phase, 240V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HF321S). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 30 A, Three Phase, 240V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HF321S). Key specifications — Brand: SIEMENS.