What input supplies are supported by Schneider Electric 140CPS12420C?

It accepts 93–138 V AC or 170–276 V AC at 47–63 Hz.

What output does Schneider Electric 140CPS12420C provide to the Quantum rack?

It supplies 5.1 V DC to the backplane.

What is the standalone current rating of Schneider Electric 140CPS12420C?

The standalone rating is 11 A at 60 °C.

What is the redundant-pair capacity of Schneider Electric 140CPS12420C?

A matched redundant pair provides a documented total load capacity of 10 A at 60 °C.

Which fuse is specified for Schneider Electric 140CPS12420C?

Use a 2 A slow-blow external fuse in the documented supply arrangement.

What alarm contact is available on Schneider Electric 140CPS12420C?

Terminals 1 and 2 provide a normally closed contact rated 6 A at 220 V AC or 5 A at 30 V DC.

How should Schneider Electric 140CPS12420C redundancy be tested?

With the rack in a controlled state, remove one feed at a time and verify alarm response, remaining PWR OK status and uninterrupted rack power.

What must be checked before replacing Schneider Electric 140CPS12420C?

Record both feeds, fuse protection, alarm wiring, rack load, companion supply model and backplane position.

140CPS12420C

Name: 140CPS12420C
Brand: Schneider Electric
SKU: 140CPS12420C

Redundant Power Supply

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

Schneider Electric 140CPS12420C is a Modicon Quantum redundant AC power supply that delivers 5.1 V DC at up to 11 A standalone or 10 A in a matched redundant pair.

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Technical specifications for 140CPS12420C

Manufacturer:

Schneider Electric
Product Category:

PLC Systems
Spare Part Number:

140CPS12420C
Estimated shipping dimensions:

4x10.5x25cm
Weight:

0.64 kg
Tariff Code:

8537101190
Counliy of origin:

France
Product range:

Modicon Quantum automation platform
Product type:

Redundant power supply module
Input ranges:

93–138 V AC; 170–276 V AC
Input frequency:

47–63 Hz
Input current:

1.1 A at 115 V; 0.6 A at 230 V
Inrush current:

38 A at 115 V; 19 A at 230 V
Associated fuse:

2 A slow-blow
Output voltage:

5.1 V DC
Standalone output:

11 A at 60 °C
Redundant output:

10 A at 60 °C
Alarm contact:

Normally closed; 6 A at 220 V AC or 5 A at 30 V DC
Alarm drop-out:

Input below 8 V DC
Protection:

Internal output overvoltage and overload protection
Indicator:

Green PWR OK LED
Operating temperature:

0–60 °C

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Information

Overview Manuals Common Applications Product Precautions

Schneider Electric 140CPS12420C converts a 115 V or 230 V AC source to the Quantum backplane supply and provides a normally closed fault-alarm contact.

115/230 V AC input
5.1 V DC backplane output
11 A standalone rating
10 A redundant-pair capacity

Use Schneider Electric 140CPS12420C only with the documented rack, field interface and approved commissioning record for the installed application.

Important Notice: Confirm the complete 140CPS12420C identifier, companion hardware and wiring condition; do not substitute a nearby code without an engineering review.

Schneider Electric 140CPS12420C Manuals & Downloads

Schneider Electric 140CPS12420C Technical Reference (PDF)Schneider Electric 140CPS12420C Installation & Commissioning Guide (PDF)

The Technical Reference consolidates exact-model technical data and engineering boundaries; the Installation & Commissioning Guide organizes identity control, isolation, interface checks, functional testing and acceptance records.

Quantum redundant rack

Maintains backplane power with the documented redundant supply pairing.

AC-powered local rack

Converts 115 V or 230 V AC to the Quantum 5.1 V backplane bus.

Power-fault annunciation

Uses the normally closed alarm contact in the site monitoring circuit.

Power-supply renewal

Restores fuse, terminal, load-sharing and PWR OK checks for the same model.

Apply these controls specifically to Schneider Electric 140CPS12420C before isolation, replacement, reconnection and final release.

Isolate both AC feeds and prove the safe state before removing either redundant supply.

Record the live and neutral conductors, protective earth, alarm contact and rack position.

Use the documented 2 A slow-blow external fuse arrangement.

Verify the installed AC source lies within the selected input range before energization.

Confirm total rack load does not exceed the applicable standalone or redundant capacity.

Preserve the normally closed alarm-contact logic and its external circuit rating.

Energize the pair in a controlled sequence and observe both PWR OK indications.

Prove loss-of-one-supply alarm response and continued rack operation before release.

Alternative Names

140CPS12420C

Technical notes

Record the complete model identity, installed system position, companion hardware, field wiring and configuration before service. Use the exact-model limits and acceptance checks shown in the manuals for restoration.

FAQ View All FAQ

What input supplies are supported by Schneider Electric 140CPS12420C?

It accepts 93–138 V AC or 170–276 V AC at 47–63 Hz.
What output does Schneider Electric 140CPS12420C provide to the Quantum rack?

It supplies 5.1 V DC to the backplane.
What is the standalone current rating of Schneider Electric 140CPS12420C?

The standalone rating is 11 A at 60 °C.
What is the redundant-pair capacity of Schneider Electric 140CPS12420C?

A matched redundant pair provides a documented total load capacity of 10 A at 60 °C.

Which fuse is specified for Schneider Electric 140CPS12420C?

Use a 2 A slow-blow external fuse in the documented supply arrangement.
What alarm contact is available on Schneider Electric 140CPS12420C?

Terminals 1 and 2 provide a normally closed contact rated 6 A at 220 V AC or 5 A at 30 V DC.
How should Schneider Electric 140CPS12420C redundancy be tested?

With the rack in a controlled state, remove one feed at a time and verify alarm response, remaining PWR OK status and uninterrupted rack power.
What must be checked before replacing Schneider Electric 140CPS12420C?

Record both feeds, fuse protection, alarm wiring, rack load, companion supply model and backplane position.

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