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Siemens SITOP Redundancy Module, 24V DC Input, 40V DC Output, 20 A, 34 W - Accessories for DC Power Supplies
SiemensAccessories for DC Power Supplies

Siemens SITOP Redundancy Module, 24V DC Input, 40V DC Output, 20 A, 34 W

The SIEMENS SITOP Redundancy Module (MPN 6EP1961-3BA21) is an accessory for DC power supplies, designed for use with the SITOP series. It accepts a 24V DC input and delivers a 40V DC output, with a power rating of 34…

SKU 3G-OTH-44978

Also listed as: 6EP19613BA21 · 6EP1961 3BA21

Brand
Siemens
Item
SITOP Redundancy Module, 24V DC Input, 40V DC Output, 20 A, 34 W
Part Number
6EP1961-3BA21
Category
Accessories for DC Power Supplies
Available to Order
Also known as:6EP1961-3BA21Siemens
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
6EP1961-3BA21
Type
34 W Power Rating - Real
DC
24V
Input Voltage
24V DC
Accessory Type
Redundancy Module
Output Current
20 A
Output Voltage
40V DC
Compatible with Series
SITOP

Technical Documents

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS SITOP Redundancy Module (MPN 6EP1961-3BA21) is an accessory for DC power supplies, designed for use with the SITOP series. It accepts a 24V DC input and delivers a 40V DC output, with a power rating of 34 W and an output current of 20 A.

Frequently Asked Questions

What is the SIEMENS SITOP Redundancy Module used for?

The SIEMENS SITOP Redundancy Module (6EP1961-3BA21) ensures uninterrupted DC power by combining two SITOP power supplies. If one supply fails, the module automatically switches to the backup, maintaining 24V DC output. It is used in industrial automation, process control, and critical systems requiring high availability.

What are the specifications of the SIEMENS SITOP Redundancy Module?

The SIEMENS SITOP Redundancy Module (MPN 6EP1961-3BA21) accepts a 24V DC input and delivers a 40V DC output. It has a power rating of 34 W and an output current of 20 A. This accessory is compatible with the SITOP series and is designed for DC power supply redundancy applications.

Where to buy the SIEMENS SITOP Redundancy Module worldwide?

3G Electric supplies the SIEMENS SITOP Redundancy Module (6EP1961-3BA21) worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this genuine Siemens accessory to any country.

How to install the SIEMENS SITOP Redundancy Module?

Install the SIEMENS SITOP Redundancy Module on a DIN rail in your control panel. Connect two SITOP power supplies to the input terminals (24V DC each). The module automatically provides redundant output at 40V DC. Ensure proper wiring per the Siemens manual and verify load current does not exceed 20 A.

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
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Siemens Products

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

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