| Rated current (Iu) | Filter products by 10 A |
|---|---|
| Rated voltage (Ue) | Filter products by 110 V |
| Coil voltage (Uc) | Filter products by 110V DC |
| Degree of protection (IP) | Filter products by IP40 |
| Product Series | Filter products by Harmony Electromechanical Relays |
| Mounting | Filter products by plug-in |
Schneider ElectricPower Relays
RUMF21FD – Harmony, Universal plug-in relay, 10 A, 2 CO, with lockable test button, flat (faston) terminals, 110 V DC | Schneider Electric
Order code
List R389.38 Your price R264.78
Per unit · volume pricing available on request
excl. VAT R304.50 incl.
Listed in stock — availability is re-confirmed on every order
In stock — 1–2 working days if stocked locally, 3–5 working days if sourced
Harmony, Universal plug-in relay, 10 A, 2 CO, with lockable test button, flat (faston) terminals, 110 V DC — Schneider Electric order code RUMF21FD. Rated current 10 A; rated voltage 110 V; IP40; plug-in mounting.
In stock — 1–2 working days if stocked locally, 3–5 working days if sourced
View on the Schneider Electric site (opens in a new tab)
Select a variant in this series
Every option is a reference in this catalogue. A faded option changes more than one value — its nearest reference is linked.
Ordering & delivery
- Contact us for bulk pricing, lead times and ordering codes.
- Minimum order: 1 unit.
- Manufacturer's standard warranty applies.
- Collection from our branch, delivery in the Johannesburg area, and export across Africa on request.
- Some items are held off-site rather than in our own warehouse — availability is confirmed on every order.
- Authorised Schneider Electric distributor
- Genuine product with manufacturer warranty
- Formal quotations with written lead times
Overview
RUMF21FD — Harmony, Universal plug-in relay, 10 A, 2 CO, with lockable test button, flat (faston) terminals, 110 V DC from the Schneider Electric Harmony Electromechanical Relays range. Listed under Power Relays on the Schneider Electric catalogue at RMS-SE.Africa.
About RUMF21FD
"This Harmony RUM universal plug-in relay uses flat pins, has a control coil voltage of 110V DC and has 2 changeover contacts double pole double throw with a rating of 10A." "It provides a complete system solution for the most demanding applications." "It also offers one-step lockable test button." "It helps to reduce the size of enclosures and increase machine reliability, you can mount nearly everywhere." "The product is IP40 and has a transparent cover allowing operator to visually inspect the status of contacts." "Workability for hard-wired logic automated systems to complement the functions of industrial programmable logic controllers (PLCs)." 0 0 0 0 0 0 0 0 0 0.
RUMF21FD key specifications
Key specifications: rated current 10 A; rated voltage 110 V; IP40; plug-in mounting.
Ordering information for RUMF21FD
- Order code:
RUMF21FD - Manufacturer: Schneider Electric
- Range: Harmony Electromechanical Relays
- GTIN / EAN: 3606480627170
- Supplied: each
- Weight: 0.092 kg
- ETIM class: EC001437
- Datasheet: manufacturer datasheet for RUMF21FD
About the Harmony Electromechanical Relays range
Harmony Electromechanical Relays is a Schneider Electric range with 240 references listed on RMS-SE.Africa, from 3 A to 30 A. It spans Plug-in Relays, Power Relays, Timers.
RUMF21FD — frequently asked questions
What is the rated current of RUMF21FD?
RUMF21FD is rated 10 A.
Where is the datasheet for RUMF21FD?
The manufacturer datasheet is linked under “Ordering information” above; the product page also carries the manufacturer’s documents where Schneider Electric publishes them.
Is RUMF21FD a genuine Schneider Electric product?
Yes. RUMF21FD is supplied through the manufacturer’s authorised channel with the standard Schneider Electric warranty, and every order is confirmed against stock before payment.
Documents
Published by the manufacturer for this part. Each one opens in a new tab.
Technical specifications
Data supplied by the manufacturer. Confirm against the official datasheet before ordering.
Identification & ordering
| Product Name | RUMF21FD – Harmony, Universal plug-in relay, 10 A, 2 CO, with lockable test button, flat (faston) terminals, 110 V DC Schneider Electric |
|---|---|
| Brand | Filter products by Schneider Electric |
| Product Series | Filter products by Harmony Electromechanical Relays |
| GTIN / EAN | 3606480627170 |
| Lifecycle status | Filter products by Current |
| ETIM class | Filter products by EC001437 |
Electrical ratings
| Rated current (Iu) | Filter products by 10 A |
|---|---|
| Rated voltage (Ue) | Filter products by 110 V |
Power & coil
| Coil voltage (Uc) | Filter products by 110V DC |
|---|
Mechanical & mounting
| Mounting | Filter products by plug-in |
|---|
Environment & protection
| Degree of protection (IP) | Filter products by IP40 |
|---|
Documents
| Datasheet | View on the Schneider Electric site |
|---|
Other specifications
| Related Categories | Filter products by Plug – in Relays, Filter products by Timers & Control Relays |
|---|---|
| SKU/Code/Partnumber | Search products for RUMF21FD |
| Iternational GTIN | 3606480627170 |
Higher-rated in this range
6 itemsSame series, a larger rating — where the duty is heavier than this part covers.
Higher-rated in this range
6 items
RPM42FDHarmony, Power plug-in relay, 15 A, 4 CO, with LED, with lockable test button, 110 V DCList R475.90 Your price R323.61View product
RPM42P7Harmony, Power plug-in relay, 15 A, 4 CO, with LED, with lockable test button, 230 V ACList R323.00 Your price R219.64View product- RPM42F7Harmony, Power plug-in relay, 15 A, 4 CO, with LED, with lockable test button, 120 V ACList R323.00 Your price R219.64View product
- RPM42BDHarmony, Power plug-in relay, 15 A, 4 CO, with LED, with lockable test button, 24 V DCList R317.00 Your price R215.56View product
RPM41FDHarmony, Power plug-in relay, 15 A, 4 CO, with lockable test button, 110 V DCList R461.48 Your price R313.81View product
RPM41P7Harmony, Power plug-in relay, 15 A, 4 CO, with lockable test button, 230 V ACList R408.13 Your price R277.53View product
More in the Harmony Electromechanical Relays range
8 itemsSame series, same mounting and the same documentation set.
More in the Harmony Electromechanical Relays range
8 items- RUMF31BDHarmony, Universal plug-in relay, 10 A, 3 CO, with lockable test button, flat (faston) terminals, 24 V DCList R331.69 Your price R225.55View product
RUMF32BDHarmony, Universal plug-in relay, 10 A, 3 CO, with LED, with lockable test button, flat (faston) terminals, 24 V DCList R331.69 Your price R225.55View product- RPM41BDHarmony, Power plug-in relay, 15 A, 4 CO, with lockable test button, 24 V DCList R315.00 Your price R214.20View product
RPM32JDHarmony, Power plug-in relay, 15 A, 3 CO, with LED, with lockable test button, 12 V DCList R317.28 Your price R215.75View product
RPM32P7Harmony, Power plug-in relay, 15 A, 3 CO, with LED, with lockable test button, 230 V ACList R436.98 Your price R297.15View product- RPM32BDHarmony, Power plug-in relay, 15 A, 3 CO, with LED, with lockable test button, 24 V DCList R317.28 Your price R215.75View product
- RPM32B7Harmony, Power plug-in relay, 15 A, 3 CO, with LED, with lockable test button, 24 V ACList R436.98 Your price R297.15View product
RPM22BDHarmony, Power plug-in relay, 15 A, 2 CO, with LED, with lockable test button, 24 V DCList R258.15 Your price R175.54View product
More in Power Relays
7 items
More in Power Relays
7 items
RPM22B7Harmony, Power plug-in relay, 15 A, 2 CO, with LED, with lockable test button, 24 V ACList R291.33 Your price R198.10View product
RPM12F7Harmony, Power plug-in relay, 15 A, 1 CO, with LED, with lockable test button, 120 V ACList R151.44 Your price R102.98View product
RPM12BDHarmony, Power plug-in relay, 15 A, 1 CO, with LED, with lockable test button, 24 V DCList R106.00 Your price R72.08View product
RPM11P7Harmony, Power plug-in relay, 15 A, 1 CO, with lockable test button, 230 V ACList R137.01 Your price R93.17View product
RPF2AP7Harmony, Power plug-in relay, 30 A, 2 NO, 230 V ACList R311.50 Your price R211.82View product
RPF2BBDHarmony, Power plug-in relay, 30 A, 2 CO, 24 V DCList R267.00 Your price R181.56View product- RPF2AJDHarmony, Power plug-in relay, 30 A, 2 NO, 12 V DCList R240.00 Your price R163.20View product
Alternatives on our other RMS storefronts
RMS supplies each manufacturer range from its own storefront. These links open a different RMS site in a new tab.
Quick answers
What is RUMF21FD?
RUMF21FD is the order code for Harmony, Universal plug-in relay, 10 A, 2 CO, with lockable test button, flat (faston) terminals, 110 V DC. It belongs to our Power Relays range. RMS-SE.Africa supplies it as genuine Schneider Electric product, sourced through the manufacturer's distribution channel.
What is the rated current of RUMF21FD?
Schneider Electric rates Harmony, Universal plug-in relay, 10 A, 2 CO, with lockable test button, flat (faston) terminals, 110 V DC at 10 A.
What voltage is RUMF21FD rated for?
Schneider Electric rates it for 110 V.
What coil voltage does RUMF21FD take?
Harmony, Universal plug-in relay, 10 A, 2 CO, with lockable test button, flat (faston) terminals, 110 V DC takes a 110V DC coil. Order the coil voltage that matches your control circuit.
What is the IP rating of RUMF21FD?
Schneider Electric gives it a degree of protection of IP40.
Is it available?
It is listed as in stock. Availability is re-confirmed on every order before any payment is taken, so what you order is what actually ships.
How do I get a formal quotation?
Use "Add to quote" and submit the quote basket. The RMS team prices every line, confirms stock, and emails you a formal quotation with written lead times — and you can accept it online to turn it into an order.
Do I pay when I order?
No. Checkout submits the order without payment; we confirm stock for every line first, then email you a secure payment link for the order.