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Danfoss Pressure switch RT 121 - Controls
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Danfoss Pressure switch RT 121

The Danfoss Pressure Switch RT 121 is a pressure-operated control device with unipolar changeover contact, designed for industrial, marine, and boiler safety installations. Operating across a pressure range of −1 to…

SKU 3G-CBM-01872

Also listed as: DAN 05030 · DAN-05030

Brand
Danfoss
Item
Pressure switch RT 121
Category
Controls
UNSPSC
39121026 — Control power transformer
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Technical Specifications

Danfoss
applications
industrial, marine, boiler safety installations
contact type
unipolar changeover contact
control method
pressure-operated
pressure range
−1 to 0 bar
available variants
standard pressure switches, differential pressure switches, adjustable neutral zone pressure switches
recommended use case critical
safety pressure switches for critical applications
recommended contact coating low duty
gold-plated contacts for low switching frequency or low voltage operation
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Technical Documents

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

Product Description

The Danfoss Pressure Switch RT 121 is a pressure-operated control device with unipolar changeover contact, designed for industrial, marine, and boiler safety installations. Operating across a pressure range of −1 to 0 bar, it delivers contact switching suitable for critical safety applications. 3G Electric sources this unit in Singapore and across Southeast Asia with full DDP logistics handling; variants including standard, differential, and adjustable neutral zone configurations are available to meet specific operational requirements.

Used in

Common applications for Danfoss
Light-oil industrial burners — OD / OD-H nozzles as scheduled replacement parts
Heating-boiler oil-supply circuits — BFP 10L / 11L / 41L pumps and coupling kits
Burner-rack solenoid valves — EV and EVR series for oil and gas shut-off
Legacy plant troubleshooting — matching a failed burner nameplate to correct Danfoss nozzle/pump combination
Refrigeration pressure controls — KP / RT series for secondary-refrigerant loops

Danfoss Products

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

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