Model # DTF321R

Internet #205623370

Store SO SKU #516939

Siemens Double Throw 30 Amp 240-Volt 3-Pole Outdoor Fusible Safety Switch


Double Throw 30 Amp 240-Volt 3-Pole Outdoor Fusible Safety Switch

  • Suitable for service entrance equipment with UL Listed Breaker
  • Used to transfer loads from one power source to another
  • UL Listed and both horsepower and load break rated
$48559 /each
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Product Overview

Double Throw switches are intended to transfer loads from 1 power source to another. All 2 and 3-pole double throw switches are suitable for use as service equipment including non-fusible versions when used in combination with a UL listed circuit breaker or fusible switch. All are UL Listed and both horsepower and load break rated. Switches are rated for use on systems up to 10,000 Amp when protected with Class H fuses or 100,000 Amp when protected with Class R or Class T fuses. They can also be used to connect a single source of power to either of 2 loads.

  • 30 Amp, single phase, 120/240-Volt, fusible double throw safety switch
  • Quick-make and break switching action
  • Double break visible blade design
  • Highly visible on/off indication
  • Modular design allows quick and easy replacement of parts
  • Front removable lugs which can easily be converted to copper body or compression type lugs
  • Defeatable dual cover interlock
  • All copper current carrying parts
  • Tangential knockouts
  • Handle is padlockable in off position
  • NEMA type 3R: enclosure is intended for outdoor use primarily to provide a degree of protection against falling rain and sleet and must remain undamaged by the formation or ice on the enclosure; they are not intended to provide protection against conditions such as dust, internal condensation, or internal icing

Info & Guides

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Name 200 Amp 2-Pole 3-Wire General Duty Fused Outdoor Double Throw 30 Amp 240-Volt 3-Pole Outdoor Fusible Safety Switch 30 Amp 3-Pole 3-Wire Double Throw Switch Fused Indoor Heavy Duty 60 Amp 240-Volt 3-Pole type 4X Fusible Safety Switch
Brand Siemens Siemens Siemens Siemens
Ratings (0) (0) (0) (0)
Safety Switch Type Safety Safety Safety Safety
Automatic/Manual Manual Manual Manual Manual
Number of Phases 1 1 1 3
Maximum Amperage (amps) 200 30 30 60
Power Distribution Features Fusible Fusible Fusible Fusible
Voltage (volts) 240 240 240 240
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Product Depth (in.)
30 in
Product Height (in.)
7 in
Product Width (in.)
12 in


Electrical Product Type
Safety Switch
Maximum Amperage (amps)
Maximum Wattage
240 W
Number of Phases
Power Distribution Features
Product Weight (lb.)
39 lb
Safety Switch Type
Voltage (volts)

Warranty / Certifications

Certifications and Listings
1-UL Listed
Manufacturer Warranty
1 Year

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Customer Questions & Answers

Description shows single phase but picture and product title says 3phase. Which is it as I need 3phase?

Asked by: Robb
Hi Robb, This Safety Switch can accommodate 3 phase applications as well as single phase.
Answered by: SIEMENS Product Expert
Date published: 2016-10-21
  • y_2017, m_8, d_18, h_3CST
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