Block RTE Series Toroidal Isolation Transformer Range

Block Brand: Block

The BLOCK RTE Series features high-performance toroidal transformers designed for efficient voltage conversion and isolation in various industrial and commercial applications. These transformers are known for their compact, lightweight design and low electromagnetic interference (EMI), making them ideal for sensitive electronic equipment.

The RTE Series offers excellent thermal management and robust construction, ensuring reliable performance and durability even in demanding environments. With comprehensive protection features, including overcurrent and short-circuit protection, these transformers guarantee safe and stable operation.

Easy to install and maintain, BLOCK RTE Series toroidal transformers are perfect for applications requiring consistent and dependable power.

Choose BLOCK RTE Series products for their superior efficiency, reliability, and seamless integration into your electronic systems.

Description Image Product Buy Pricing (Ex VAT) Secondary Voltage Power Rating Weight Type Primary Voltage Number of Outputs Encapsulated Mounting Type
Block RTE 100/2x18 100 VA toroidal isolation transformer 230 V to 2 x 18 V
Block RTE 100/2x18 100 VA toroidal isolation transformer 230 V to 2 x 18 V
Extended range
Order code: 51-5830
MPN: RTE 100/2x18

Back order - 3 availableBack-order availability date - 06/09/2026
1+ £57.63
10+ £54.51
100+ £54.20
Price per unit Ex VAT 		2 x 18V 100VA 1.2kg Toroidal transformer 230V 2 No Toroidal
Block RTE 100/2x24 100 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 100/2x24 100 VA toroidal isolation transformer 230 V to 2 x 24 V
Extended range
Order code: 51-5832
MPN: RTE 100/2x24

Back order - 3 availableBack-order availability date - 06/09/2026
1+ £49.23
Price per unit Ex VAT 		2 x 24V 100VA 1.2kg Toroidal transformer 230V 2 No Toroidal
Block RTE 120/2x18 120 VA toroidal isolation transformer 230 V to 2 x 18 V
Block RTE 120/2x18 120 VA toroidal isolation transformer 230 V to 2 x 18 V
Extended range
Order code: 51-5781
MPN: RTE 120/2x18

Available to back orderBack order, lead time 4 weeks
1+ £68.09
10+ £64.41
100+ £64.04
Price per unit Ex VAT 		2 x 18V 120VA 1.41kg Toroidal transformer 230V 2 No Toroidal
Block RTE 120/2x24 120 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 120/2x24 120 VA toroidal isolation transformer 230 V to 2 x 24 V
Extended range
Order code: 51-5783
MPN: RTE 120/2x24

Back order - 2 availableBack-order availability date - 06/09/2026
1+ £66.38
10+ £62.79
100+ £62.43
Price per unit Ex VAT 		2 x 24V 120VA 1.41kg Toroidal transformer 230V 2 No Toroidal
Block RTE 20/2x24 20 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 20/2x24 20 VA toroidal isolation transformer 230 V to 2 x 24 V
Extended range
Order code: 51-5804
MPN: RTE 20/2x24

Back order - 2 availableBack-order availability date - 06/09/2026
1+ £45.48
10+ £43.02
100+ £42.77
Price per unit Ex VAT 		2 x 24V 20VA 0.35kg Toroidal transformer 230V 2 No Toroidal
Block RTE 200/2x24 200 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 200/2x24 200 VA toroidal isolation transformer 230 V to 2 x 24 V
Extended range
Order code: 51-5812
MPN: RTE 200/2x24

Back order - 9 availableBack-order availability date - 06/09/2026
1+ £81.51
10+ £77.74
100+ £77.37
Price per unit Ex VAT 		2 x 24V 200VA 2.16kg Toroidal transformer 230V 2 No Toroidal
Block RTE 250/2x24 250 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 250/2x24 250 VA toroidal isolation transformer 230 V to 2 x 24 V
Extended range
Order code: 51-5822
MPN: RTE 250/2x24

Available to back orderBack order, lead time 5 weeks
1+ £91.19
100+ £86.55
Price per unit Ex VAT 		2 x 24V 250VA 2.52kg Toroidal transformer 230V 2 No Toroidal
Block RTE 300/2x24 300 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 300/2x24 300 VA toroidal isolation transformer 230 V to 2 x 24 V
Extended range
Order code: 51-5778
MPN: RTE 300/2x24

Back order - 3 availableBack-order availability date - 06/09/2026
1+ £90.20
Price per unit Ex VAT 		2 x 24V 300VA 3.1kg Toroidal transformer 230V 2 No Toroidal
Block RTE 40/2x15 40 VA Toroidal Isolation Transformer 230 V to 2 x 15 V
Block RTE 40/2x15 40 VA Toroidal Isolation Transformer 230 V to 2 x 15 V
Extended range
Order code: 51-5782
MPN: RTE 40/2x15

Available to back orderBack order, lead time 4 weeks
1+ £40.66
Price per unit Ex VAT 		2 x 15V 40VA 0.56kg Toroidal transformer 230V 2 No Toroidal
Block RTE 40/2x18 40 VA toroidal isolation transformer 230 V to 2 x 18 V
Block RTE 40/2x18 40 VA toroidal isolation transformer 230 V to 2 x 18 V
Extended range
Order code: 51-5784
MPN: RTE 40/2x18

Available to back orderBack order, lead time 4 weeks
1+ £41.78
Price per unit Ex VAT 		2 x 18V 40VA 0.56kg Toroidal transformer 230V 2 No Toroidal
Block RTE 40/2x24 40 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 40/2x24 40 VA toroidal isolation transformer 230 V to 2 x 24 V
Extended range
Order code: 51-5786
MPN: RTE 40/2x24

Back order - 4 availableBack-order availability date - 06/09/2026
1+ £49.45
10+ £46.77
100+ £46.50
Price per unit Ex VAT 		2 x 24V 40VA 0.56kg Toroidal transformer 230V 2 No Toroidal
Block RTE 400/2x24 400 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 400/2x24 400 VA toroidal isolation transformer 230 V to 2 x 24 V
Extended range
Order code: 51-5790
MPN: RTE 400/2x24

Back order - 2 availableBack-order availability date - 06/09/2026
1+ £128.80
10+ £122.85
100+ £122.25
Price per unit Ex VAT 		2 x 24V 400VA 4.05kg Toroidal transformer 230V 2 No Toroidal
Block RTE 50/2x24 50 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 50/2x24 50 VA toroidal isolation transformer 230 V to 2 x 24 V
Extended range
Order code: 51-5799
MPN: RTE 50/2x24

Back order - 4 availableBack-order availability date - 06/09/2026
1+ £53.44
Price per unit Ex VAT 		2 x 24V 50VA 0.7kg Toroidal transformer 230V 2 No Toroidal
Block RTE 500/2x24 500 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 500/2x24 500 VA toroidal isolation transformer 230 V to 2 x 24 V
Extended range
Order code: 51-5801
MPN: RTE 500/2x24

Back order - 4 availableBack-order availability date - 06/09/2026
1+ £143.75
10+ £137.10
100+ £136.44
Price per unit Ex VAT 		2 x 24V 500VA 4.8kg Toroidal transformer 230V 2 No Toroidal
Block RTE 80/2x15 80 VA Toroidal Isolation Transformer 230 V to 2 x 15 V
Block RTE 80/2x15 80 VA Toroidal Isolation Transformer 230 V to 2 x 15 V
Extended range
Order code: 51-5816
MPN: RTE 80/2x15

Back order - 2 availableBack-order availability date - 06/09/2026
1+ £54.10
10+ £51.18
100+ £50.87
Price per unit Ex VAT 		2 x 15V 80VA 1.08kg Toroidal transformer 230V 2 No Toroidal

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