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) Power Rating Secondary Voltage 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 - 6 availableBack-order availability date - 28/10/2026
1+ £57.63
10+ £54.51
100+ £54.20
Price per unit Ex VAT 		100VA 2 x 18V 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 - 7 availableBack-order availability date - 28/10/2026
1+ £49.23
Price per unit Ex VAT 		100VA 2 x 24V 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 		120VA 2 x 18V 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 - 6 availableBack-order availability date - 28/10/2026
1+ £66.38
10+ £62.79
100+ £62.43
Price per unit Ex VAT 		120VA 2 x 24V 1.41kg Toroidal transformer 230V 2 No Toroidal
Block RTE 160/2x18 160 VA toroidal isolation transformer 230 V to 2 x 18 V
Block RTE 160/2x18 160 VA toroidal isolation transformer 230 V to 2 x 18 V
Order code: 51-5795
MPN: RTE 160/2x18
1+ £65.38
Price per unit Ex VAT 		160VA 2 x 18V 1.73kg 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 - 28/10/2026
1+ £45.48
10+ £43.02
100+ £42.77
Price per unit Ex VAT 		20VA 2 x 24V 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 - 6 availableBack-order availability date - 28/10/2026
1+ £81.51
10+ £77.74
100+ £77.37
Price per unit Ex VAT 		200VA 2 x 24V 2.16kg Toroidal transformer 230V 2 No Toroidal
Block RTE 225/2x18 225 VA toroidal isolation transformer 230 V to 2 x 18 V
Block RTE 225/2x18 225 VA toroidal isolation transformer 230 V to 2 x 18 V
Order code: 51-5823
MPN: RTE 225/2x18
1+ £80.20
Price per unit Ex VAT 		225VA 2 x 18V 2.35kg Toroidal transformer 230V 2 No Toroidal
Block RTE 225/2x24 225 VA toroidal isolation transformer 230 V to 2 x 24 V
Block RTE 225/2x24 225 VA toroidal isolation transformer 230 V to 2 x 24 V
Order code: 51-5818
MPN: RTE 225/2x24
1+ £79.35
Price per unit Ex VAT 		225VA 2 x 24V 2.35kg 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 		250VA 2 x 24V 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 - 1 availableBack-order availability date - 28/10/2026
1+ £90.20
Price per unit Ex VAT 		300VA 2 x 24V 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 		40VA 2 x 15V 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 		40VA 2 x 18V 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 - 28/10/2026
1+ £49.45
10+ £46.77
100+ £46.50
Price per unit Ex VAT 		40VA 2 x 24V 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 - 5 availableBack-order availability date - 28/10/2026
1+ £128.80
10+ £122.85
100+ £122.25
Price per unit Ex VAT 		400VA 2 x 24V 4.05kg Toroidal transformer 230V 2 No Toroidal
Block RTE 50/2x15 50 VA Toroidal Isolation Transformer 230 V to 2 x 15 V
Block RTE 50/2x15 50 VA Toroidal Isolation Transformer 230 V to 2 x 15 V
Order code: 51-5796
MPN: RTE 50/2x15
1+ £45.55
Price per unit Ex VAT 		50VA 2 x 15V 0.7kg 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
Order code: 51-5799
MPN: RTE 50/2x24
1+ £53.44
Price per unit Ex VAT 		50VA 2 x 24V 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 - 6 availableBack-order availability date - 28/10/2026
1+ £143.75
10+ £137.10
100+ £136.44
Price per unit Ex VAT 		500VA 2 x 24V 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 - 28/10/2026
1+ £54.10
10+ £51.18
100+ £50.87
Price per unit Ex VAT 		80VA 2 x 15V 1.08kg Toroidal transformer 230V 2 No Toroidal
Block RTE 80/2x18 80 VA toroidal isolation transformer 230 V to 2 x 18 V
Block RTE 80/2x18 80 VA toroidal isolation transformer 230 V to 2 x 18 V
Order code: 51-5817
MPN: RTE 80/2x18
1+ £46.28
Price per unit Ex VAT 		80VA 2 x 18V 1.08kg Toroidal transformer 230V 2 No Toroidal

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