MPN

Block 2.5kVA Chassis Mounting Transformer, 3 x 400V ac

RS stock no.:: 738-7929
Mfr. Part No.:: TT3 2,5-4-4
Manufacturer:: Block

Block 2.5kVA Chassis Mounting Transformer, 3 x 400V ac

Bulk discount available

Subtotal (1 unit)*

R 26 956,68

(exc. VAT)

R 31 000,18

(inc. VAT)

FREE delivery for orders over R 1,500.00

Temporarily out of stock

2 unit(s) shipping from 15 January 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 - 4	R 26,956.68
5 +	R 26,282.76

*price indicative

RS stock no.:: 738-7929
Mfr. Part No.:: TT3 2,5-4-4
Manufacturer:: Block

Specification

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Block
	Primary Voltage Rating	3 x 400V ac
	Secondary Voltage Rating	3 x 400V ac
	Power Rating	2.5kVA
	Length	315mm
	Width	315mm
	Depth	165mm
	Dimensions	315 x 250 x 165mm
	Weight	32kg
	Minimum Operating Frequency	50Hz
	Maximum Operating Frequency	60Hz
	Maximum Temperature	+50°C

	Select all
	Brand Block
	Primary Voltage Rating 3 x 400V ac
	Secondary Voltage Rating 3 x 400V ac
	Power Rating 2.5kVA
	Length 315mm
	Width 315mm
	Depth 165mm
	Dimensions 315 x 250 x 165mm
	Weight 32kg
	Minimum Operating Frequency 50Hz
	Maximum Operating Frequency 60Hz
	Maximum Temperature +50°C

TT3 2,5-4-4 Data Sheet

COO (Country of Origin):: DE

TT3 Series Transformers

Brought to you by Block, the TT3 series of 3 phase transformers are highly efficient and feature low heat loss. Fitted with easy-to-install mounting holes, the TT3 series transformers also feature screw terminal connections and integrated lifting eyes.

Features and Benefits:

• Safe electrical isolation 400V 3 phase input
• + and - 5% tappings on the secondary windings
• BLOCKIMPEX vacuum impregnation

Standards

IEC 61558-2-4 DIN EN 61558-2-4 VDE 0570 part 2-4

Approvals

UL 1561; CSA 22.2

Laminated