Block 1 kVA Chassis Mount Transformer, 3 x 400 V ac, EN 61558-2-4, UL 5085-1/-2, CSA 22.2 No.66, VDE 0570 Teil 2-4, DIN
- RS Stock No.:
- 738-7925
- Mfr. Part No.:
- TT3 1-4-4
- Brand:
- Block
Bulk discount available
Subtotal (1 unit)*
£492.29
(exc. VAT)
£590.75
(inc. VAT)
Add 1 unit to get free delivery
Temporarily out of stock
- 2 unit(s) shipping from 12 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 4 | £492.29 |
| 5 + | £443.06 |
*price indicative
- RS Stock No.:
- 738-7925
- Mfr. Part No.:
- TT3 1-4-4
- 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 | 1kVA | |
| Maximum Operating Temperature | 50°C | |
| Weight | 15kg | |
| Series | TT3 | |
| Depth | 125mm | |
| Length | 267mm | |
| Width | 267 mm | |
| Minimum Operating Frequency | 50Hz | |
| Maximum Operating Frequency | 60Hz | |
| Standards/Approvals | EN 61558-2-4, UL 5085-1/-2, CSA 22.2 No.66, VDE 0570 Teil 2-4, DIN EN 61558-2-4, IEC 61558-2-4 | |
| Select all | ||
|---|---|---|
Brand Block | ||
Primary Voltage 3 x 400 V ac | ||
Product Type Chassis Mount Transformer | ||
Secondary Voltage 3 x 400 V ac | ||
Power 1kVA | ||
Maximum Operating Temperature 50°C | ||
Weight 15kg | ||
Series TT3 | ||
Depth 125mm | ||
Length 267mm | ||
Width 267 mm | ||
Minimum Operating Frequency 50Hz | ||
Maximum Operating Frequency 60Hz | ||
Standards/Approvals EN 61558-2-4, UL 5085-1/-2, CSA 22.2 No.66, VDE 0570 Teil 2-4, DIN EN 61558-2-4, IEC 61558-2-4 | ||
- 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
Related links
- Block 20kVA Chassis Mounting Transformer, 3 x 400V ac
- Block 10kVA 1 Output Chassis Mounting Transformer, 3 x 400V ac
- Block 5kVA 3 Output Chassis Mounting Transformer, 3 x 400V ac
- Block 8kVA Chassis Mounting Transformer, 3 x 400V ac
- Block 2.5kVA Chassis Mounting Transformer, 3 x 400V ac
- Block 1kVA Chassis Mounting Transformer, 2 x 24V ac
- Block 1kVA 2 Output Chassis Mounting Transformer, 2 x 12V ac
- Block 25kVA DIN Rail Transformer 3 x 400V ac Secondary