MPN

Block 20 kVA Chassis Mount Transformer, 3 x 400 V ac, cURus

RS Stock No.:: 738-7950
Mfr. Part No.:: TT3 20-4-4
Brand:: Block

Block 20 kVA Chassis Mount Transformer, 3 x 400 V ac, cURus

Image representative of range

Subtotal (1 unit)*

Kr. 66 494,43

(exc. VAT)

Kr. 83 118,04

(inc. VAT)

FREE delivery for online orders over 500,00 kr

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Shipping from 01. april 2026

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Units	Per unit
1 +	Kr. 66 494,43

*price indicative

RS Stock No.:: 738-7950
Mfr. Part No.:: TT3 20-4-4
Brand:: Block

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Block
	Primary Voltage	3 x 400 V ac
	Product Type	Chassis Mount Transformer
	Secondary Voltage	3 x 400 V ac
	Power	20kVA
	Maximum Operating Temperature	50°C
	Width	550 mm
	Length	550mm
	Minimum Operating Frequency	50Hz
	Series	TT3
	Weight	180kg
	Depth	297mm
	Maximum Operating Frequency	60Hz
	Standards/Approvals	cURus

	Select all
	Brand Block
	Primary Voltage 3 x 400 V ac
	Product Type Chassis Mount Transformer
	Secondary Voltage 3 x 400 V ac
	Power 20kVA
	Maximum Operating Temperature 50°C
	Width 550 mm
	Length 550mm
	Minimum Operating Frequency 50Hz
	Series TT3
	Weight 180kg
	Depth 297mm
	Maximum Operating Frequency 60Hz
	Standards/Approvals cURus

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

Laminated

Approvals

UL 1561; CSA 22.2

Standards

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