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Description
3LD2704-0TK51Sentron, Switch Disconnector 3LD, Main Switch, 3 pole, IU: 100 A, Operating Power At AC 23 A At 400 V: 37 KW Sentron, Switch Disconnector 3LD Specifications Product designation: Switch disconnector, main switch, 3 pole Brand series: Siemens SENTRON 3LD series Rated current (Iu): 100 A Poles: 3 Rated insulation voltage: 690 V Operating power (AC 23 A) at 400 V: 37 kW Operating power (AC 23 A) at 690 V: 30 kW Mechanical service life (typical): 100,000
Sentron, Switch Disconnector 3LD, Main Switch, 3-pole, IU: 100 A, Operating Power / At AC-23 A At 400 V: 37 KW
Sentron, Switch Disconnector 3LD
Specifications
- Product designation: Switch disconnector, main switch, 3-pole
- Brand / series: Siemens SENTRON “3LD” series
- Rated current (Iu): 100 A
- Poles: 3
- Rated insulation voltage: 690 V
- Operating power (AC-23 A) at 400 V: 37 kW
- Operating power (AC-23 A) at 690 V: 30 kW
- Mechanical service life (typical): 100,000 operating cycles
- Electrical endurance at AC-23 A / 690 V: 6,000 operating cycles
- Surge voltage resistance: 6 kV
- Protection class / Degree of protection: IP65 on front
- Power loss per pole (at rated current): Approximately 7.5 W
- Mounting type: Front-mounted, 4-hole mounting of handle
- Connection conductor cross-section (main circuit): Solid: 4 – 50 mm² • Stranded: 4 – 35 mm²
- Ambient temperature (operation): –25 °C to +55 °C
- Weight (approx.): 0.49 kg
- Function: Main and emergency-off switch for motor or power isolation applications
Downloads
Additional Information
| Device | Disconnector |
| Type | Sentron | Switch | Disconnector | 3LD |
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4.8 ★★★★★
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Product Reviews
★★★★★ 5
Perfect for puppy play
Style: EcoFetch
This is perfect. Works great for a smaller yard and the ball holds up to puppy teeth!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 5
Easy to use for this old folk!
Style: EcoFetch
If you have a hard time to bend down and throw, this is perfect! It allows you to pick up the ball with little bending over. It also gives much further distance to your throws. Great quality to both the ball and wand.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Great product and fast shipping
Style: EcoFetch
Great ball launcher and ball. My dog adores it and plays with the ball even when she isn’t fetching.
Fast shipping as well!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Different colors
Style: EcoFetch
Works well. It is nice it is a different color from all the other Chuckit it balls. Dog loves it. Just wish she would bring it back.
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Reviewed in the United States on May 6, 2026
★★★★★ 4
Value for your money
Style: EcoFetch
It's definitely different from the one I lost. It's taking me some time how to throw the ball correctly. It's a hit and miss but we are getting there. When I do get a good throw, it really wings it out there.
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Reviewed in the United States on May 17, 2026