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Description
3UL2305-1AResidual Current Transformer For Residual Current Monitoring Bushing Opening 105 Mm Residual Current 30 Ma 40 A Residual Current Transformer Specifications Parameter: Value Product: Siemens 3UL2305 1A Residual Current Transformer Bushing Opening: 105 mm Fault Current Range: 30 mA 40 A Operating Voltage: 690 V Continuous Current: 400 A per phase Surge Withstand: 6 kV Secondary Terminals: Screw type Safe Touch Protection: Yes Ambient Temp (Op Stor): 25
Residual-Current Transformer For Residual Current Monitoring Bushing Opening 105 Mm Residual Current 30 Ma...40 A
Residual-Current Transformer
Specifications
- Parameter: Value
- Product: Siemens 3UL2305-1A Residual-Current Transformer
- Bushing Opening: 105 mm
- Fault Current Range: 30 mA – 40 A
- Operating Voltage: ≤ 690 V
- Continuous Current: 400 A per phase
- Surge Withstand: 6 kV
- Secondary Terminals: Screw-type
- Safe Touch Protection: Yes
- Ambient Temp (Op/Stor): –25 °C to +60 °C / –40 °C to +85 °C
- Humidity (Operation): ≤ 95 %
- Installation Altitude: ≤ 2,000 m
- Dimensions (W×H×D): 163 × 64 × 169 mm
- Weight: ~0.476 kg
- Terminals Torque: 0.5–0.6 N·m (4.4–5.3 lbf·in)
- Standards / Approvals: IEC, DIN, EN compliant
Downloads
Additional Information
| Device | Transformer |
| Type | Residual-Current |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 845 reviews
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Product Reviews
★★★★★ 5
very good
Size: 7.5, Color: Cognac
veryyyy gooood
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 29, 2026
★★★★★ 5
Nice shoes
Size: 9, Color: Cognac
My Husband loves it 😍
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Reviewed in the United States on January 11, 2026
★★★★★ 4
I just need the size 12
Size: 12, Color: Tan
Gm.i made a mistake the first time when I order the size 13. I return it because it was to big .so I reorder a size 12 now am looking at my order they still sending me the same size 13 i will have to return it again because it is to big sorry I dont know what going
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Reviewed in the United States on May 8, 2026
★★★★★ 3
Worth the price
Size: 10, Color: Tan
A little tie on the valley,
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Good
Size: 9, Color: Black
Good good good
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Reviewed in the United States on December 24, 2025