Block STEU Transformer Range

Block Brand: Block

The BLOCK STEU series comprises high-quality control transformers designed to provide reliable voltage regulation for industrial and commercial applications. These transformers are engineered to deliver consistent performance, ensuring the smooth operation of control circuits and automation systems.

The STEU series features robust construction and advanced thermal management, making them suitable for use in demanding environments. With a focus on safety and efficiency, these transformers include comprehensive protection mechanisms against overcurrent, short circuits, and overheating.

Easy to install and maintain, BLOCK STEU transformers are ideal for applications requiring precise voltage control and dependable power delivery.

Choose BLOCK STEU products for their exceptional reliability, durability, and efficiency in powering your critical control systems.

Description Image Product Buy Pricing (Ex VAT) Secondary Voltages Power Rating Height Length Width Weight Type Primary Voltages
Block STEU 100/23, 100VA Transformer, 230V & 400V to 2 x 115V
Block STEU 100/23, 100VA Transformer, 230V & 400V to 2 x 115V
Extended range
Order code: 51-5424
MPN: STEU 100/23

Back order - 4 availableBack-order availability date - 12/06/2026
1+ £82.94
Price per unit Ex VAT 		2 x 115V 100VA 96mm 84mm 85mm 2.1kg Isolation Transformer 230 / 400V
Block STEU 100/48, 100VA Transformer, 230V & 400V to 2 x 24 V/AC
Block STEU 100/48, 100VA Transformer, 230V & 400V to 2 x 24 V/AC
Extended range
Order code: 51-5439
MPN: STEU 100/48

Back order - 3 availableBack-order availability date - 12/06/2026
1+ £81.96
Price per unit Ex VAT 		2 x 24V 100VA 96mm 84mm 85mm 2.1kg Isolation Transformer 230 / 400V
Block STEU 1000/23, 1000VA Transformer, 230V & 400V to 2 x 115V
Block STEU 1000/23, 1000VA Transformer, 230V & 400V to 2 x 115V
Extended range
Order code: 51-5426
MPN: STEU 1000/23

Back order - 2 availableBack-order availability date - 12/06/2026
1+ £269.43
Price per unit Ex VAT 		2 x 115V 1000VA 143mm 150mm 156mm 13.3kg Isolation Transformer 230 / 400V
Block STEU 160/23, 160VA Transformer, 230V & 400V to 2 x 115V
Block STEU 160/23, 160VA Transformer, 230V & 400V to 2 x 115V
Extended range
Order code: 51-5427
MPN: STEU 160/23

Back order - 4 availableBack-order availability date - 12/06/2026
1+ £87.09
Price per unit Ex VAT 		2 x 115V 160VA 104mm 96mm 102mm 2.9kg Isolation Transformer 230 / 400V
Block STEU 250/48, 250VA Transformer, 230V & 400V to 2 x 24 VAC
Block STEU 250/48, 250VA Transformer, 230V & 400V to 2 x 24 VAC
Extended range
Order code: 51-5443
MPN: STEU 250/48

Back order - 3 availableBack-order availability date - 12/06/2026
1+ £115.92
Price per unit Ex VAT 		2 x 24V 250VA 104mm 96mm 102mm 3.6kg Isolation Transformer 230 / 400V
Block STEU 320/23, 320VA Transformer, 230V & 400V to 2 x 115V
Block STEU 320/23, 320VA Transformer, 230V & 400V to 2 x 115V
Extended range
Order code: 51-5430
MPN: STEU 320/23

Back order - 5 availableBack-order availability date - 12/06/2026
1+ £127.30
Price per unit Ex VAT 		2 x 115V 320VA 121mm 120mm 92mm 4.3kg Isolation Transformer 230 / 400V
Block STEU 320/48, 320VA Transformer, 230V & 400V to 2 x 24 VAC
Block STEU 320/48, 320VA Transformer, 230V & 400V to 2 x 24 VAC
Extended range
Order code: 51-5444
MPN: STEU 320/48

Back order - 3 availableBack-order availability date - 12/06/2026
1+ £129.00
Price per unit Ex VAT 		2 x 24V 320VA 121mm 120mm 92mm 4.3kg Isolation Transformer 230 / 400V
Block STEU 400/23, 400VA Transformer, 230V & 400V to 2 x 115V
Block STEU 400/23, 400VA Transformer, 230V & 400V to 2 x 115V
Extended range
Order code: 51-5432
MPN: STEU 400/23

Back order - 2 availableBack-order availability date - 12/06/2026
1+ £147.78
Price per unit Ex VAT 		2 x 115V 400VA 121mm 120mm 104mm 5.3kg Isolation Transformer 230 / 400V
Block STEU 500/23, 500VA Transformer, 230V & 400V to 2 x 115V
Block STEU 500/23, 500VA Transformer, 230V & 400V to 2 x 115V
Extended range
Order code: 51-5434
MPN: STEU 500/23

Back order - 1 availableBack-order availability date - 12/06/2026
1+ £175.15
Price per unit Ex VAT 		2 x 115V 500VA 121mm 120mm 124mm 7.7kg Isolation Transformer 230 / 400V
Block STEU 63/23, 63VA Transformer, 230V & 400V to 2 x 115V
Block STEU 63/23, 63VA Transformer, 230V & 400V to 2 x 115V
Extended range
Order code: 51-5436
MPN: STEU 63/23

Back order - 3 availableBack-order availability date - 12/06/2026
1+ £71.85
Price per unit Ex VAT 		2 x 115V 63VA 88mm 78mm 85mm 1.3kg Isolation Transformer 230 / 400V
Block STEU 63/48, 63VA Transformer, 230V & 400V to 2 x 24V
Block STEU 63/48, 63VA Transformer, 230V & 400V to 2 x 24V
Extended range
Order code: 51-5445
MPN: STEU 63/48

Back order - 14 availableBack-order availability date - 12/06/2026
1+ £50.07
Price per unit Ex VAT 		2 x 24V 63VA 88mm 78mm 85mm 1.3kg Isolation Transformer 230 / 400V
Block STEU 630/23, 630VA Transformer, 230V & 400V to 2 x 115V
Block STEU 630/23, 630VA Transformer, 230V & 400V to 2 x 115V
Extended range
Order code: 51-5446
MPN: STEU 630/23

Back order - 6 availableBack-order availability date - 12/06/2026
1+ £205.39
Price per unit Ex VAT 		2 x 115V 630VA 143mm 150mm 113mm 7.9kg Isolation Transformer 230 / 400V


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