| Degree of protection (IP) | Filter products by IP20 |
|---|---|
| Product series | Filter products by TR 28 series |
DF ElectricControl and safety transformersPower Distribution & Protection
680400040 – 400VA 240/400/525-12/24V T/FORM | DF Electric
Order code
List R3 139,50 Your price R2 197,65
Per unit · volume pricing available on request
excl. VAT R2 527,30 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
400VA 240/400/525-12/24V T/FORM — DF Electric order code 680400040.
In stock — 1–2 working days if stocked locally, 3–5 working days if sourced
Download certifications (opens in a new tab)Download datasheet (opens in a new tab)
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 ElectroMechanica distributor
- Genuine product with manufacturer warranty
- Formal quotations with written lead times
Overview
680400040 — 400VA 240/400/525-12/24V T/FORM, a control and safety transformer by DF Electric. Listed under Control and safety transformers on the DF Electric catalogue at RMS-EM.Africa.
About 680400040
TR28 series control and safety or isolating transformers Control and safety or isolating single-phase transformers supply high instantaneous power for the correct operation of contactors and other control and switchgear. Features: Thermal class: B (130°C) Class: Class I Frequency: 50/60 Hz DIN rail mountable (up to 400VA) Secondary voltages: 12 – 24V (or) 115 – 230V Protection degree: IP20 protection (finger safe) Dielectric strength: Primary – secondary 4.5kV Standards: IEC/EN 61558-1, IEC/EN 61558-2-2 /-2-4 /-2-6 Serial-parallel secondary bridge pieces for ease of connection Primary voltages: 240V – 400V – 525V (with regulation taps + and – 20V) High capacity clamp terminals (10 mm2 up to 400VA / 25 mmup to 1250VA) High flexibility – several primary rated voltages (with regulation taps +20V or -20V).
Ordering information for 680400040
- Order code:
680400040 - Manufacturer: DF Electric
- Supplied: each
- Datasheet: manufacturer datasheet for 680400040
680400040 — frequently asked questions
Where is the datasheet for 680400040?
The manufacturer datasheet is linked under “Ordering information” above; the product page also carries the manufacturer’s documents where DF Electric publishes them.
Is 680400040 a genuine DF Electric product?
Yes. 680400040 is supplied through the manufacturer’s authorised channel with the standard DF 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
| Order code | 680400040 |
|---|---|
| Product name | Filter products by 400VA 240/400/525-12/24V T/FORM |
| Brand | Filter products by DF Electric |
| Product type | Filter products by Control and safety transformer |
| Product series | Filter products by TR 28 series |
Electrical ratings
| Primary voltages | Filter products by 240V – 400V – 525V (with regulation taps + and – 20V) |
|---|---|
| Secondary voltages | Filter products by 12 – 24V |
Power & coil
| Power rating | Filter products by 400 kW |
|---|---|
| Thermal class | Filter products by B (130°C) |
Environment & protection
| Degree of protection (IP) | Filter products by IP20 |
|---|
Documents
| Datasheet | Download datasheet |
|---|---|
| Certifications | Download certifications |
| Instructions for use | Download instructions |
Other specifications
| Rated power kw | Filter products by 400A |
|---|---|
| Output voltage | Filter products by 12-24V |
More in the TR 28 series range
8 itemsSame series, same mounting and the same documentation set.
More in the TR 28 series range
8 items
680630042630VA 240/400/525-115/230V T/FORMList R4 074,00 Your price R2 851,80View product
680800040800VA 240/400/525-12/24V T/FORMList R5 890,50 Your price R4 123,35View product
680800042800VA 240/400/525-115/230V T/FORMList R5 817,00 Your price R4 071,90View product- 6810000401kVA 240/400/525 – 12/24V T/FORMList R6 342,00 Your price R4 439,40View product
- 6810000421kVA 240/400/525-115/230V T/FORMList R6 751,50 Your price R4 726,05View product
- 6812500401250VA 240/400/525-12/24V T/FORMList R9 586,50 Your price R6 710,55View product
- 6812500421250VA 240/400/525-115/230V T/FORList R8 641,50 Your price R6 049,05View product
- 680400042400VA 240/400/525-115/230V T/FORMList R3 150,00 Your price R2 205,00View product
Similar items
6 items
Similar items
6 items- 680320042320VA 240/400/525-115/230V T/FORMList R2 908,50 Your price R2 035,95View product
- 680320040320VA 240/400/525-12/24V T/FORMList R2 866,50 Your price R2 006,55View product
- 680630040630VA 240/400/525 – 12/24V T/FORMList R4 011,00 Your price R2 807,70View product
- 680200042200VA 240/400/525-115/230V T/FORMList R2 037,00 Your price R1 425,90View product
- 680200040200VA 240/400/525-12/24V T/FORMERList R2 026,50 Your price R1 418,55View product
- 680130042130VA 240/400/525-115/230V T/FORMList R1 753,50 Your price R1 227,45View product
More in Control and safety transformers
6 items
More in Control and safety transformers
6 items- 680100040100VA 240/400/525-12/24V T/FORMERList R1 585,50 Your price R1 109,85View product
- 680100042100VA 240/400/525-115/230V T/FORMList R1 606,50 Your price R1 124,55View product
- 68004004040VA 240/400/525 – 12/24V T/FORMList R1 396,50 Your price R977,55View product
- 68004004240VA 240/400/525-115/230V T/FORMList R1 407,00 Your price R984,90View product
- 68006304063VA 240/400/525-12/24V T/FORMList R1 449,00 Your price R1 014,30View product
- 68006304263VA 240/400/525-115/230V T/FORMList R1 491,00 Your price R1 043,70View 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 680400040?
680400040 is the order code for 400VA 240/400/525-12/24V T/FORM. It belongs to our Control and safety transformers range. RMS-EM.Africa supplies it as genuine DF Electric product, sourced through the manufacturer's distribution channel.
What is the IP rating of 680400040?
DF Electric gives it a degree of protection of IP20.
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.