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 DTF323 is a 100 A, three-phase fusible safety switch rated for 240V AC, housed in a galvanized steel enclosure for indoor use. 3G Electric interprets your demand for this specific OEM part, sources it…

SKU 3G-OTH-25834

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
DTF323
Type
100 A, Three Phase, Galvanized Steel, Indoor
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 DTF323 is a 100 A, three-phase fusible safety switch rated for 240V AC, housed in a galvanized steel enclosure for indoor use. 3G Electric interprets your demand for this specific OEM part, sources it across our supply network, and delivers it with specialist support grounded in our deep expertise in electrical controls and industrial power distribution.

Frequently Asked Questions

What is the SIEMENS DTF323 safety switch used for?

The SIEMENS DTF323 is a fusible safety switch designed for three-phase industrial applications up to 240V AC and 100 A. It provides overcurrent protection and a visible disconnect for safe maintenance on motors, pumps, and conveyors in manufacturing and commercial facilities.

What are the specifications of the SIEMENS DTF323 safety switch?

The SIEMENS DTF323 is a 100 A, three-phase, 240V AC fusible safety switch with a galvanized steel enclosure for indoor use. It accepts Class H or R fuses and features a visible blade disconnect. The NEMA rating is 1, suitable for general-purpose indoor environments.

Where to buy the SIEMENS DTF323 safety switch worldwide?

3G Electric supplies the SIEMENS DTF323 safety switch worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this Siemens fusible safety switch.

How to install the SIEMENS DTF323 safety switch?

Mount the SIEMENS DTF323 on a flat indoor surface using the enclosure's knockouts for conduit entry. Ensure the switch is in the OFF position, connect line and load conductors per the wiring diagram, and install the correct fuse size for your circuit. Always lock out/tag out before servicing.

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, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTF322). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTF322). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTF321). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTF321). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DTF363). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DTF363). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DTF361). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DTF361). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 200 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN HF324N). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 200 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN HF324N). Key specifications — Brand: SIEMENS.
SIEMENS Safety Switch: Fusible, 200 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN HF324NR). Key specifications — Brand: SIEMENS.
Siemens
SIEMENS Safety Switch: Fusible, 200 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN HF324NR). 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.