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Description
3RH2911-1HA22Auxiliary Switch, On The Front, 2 NO + 2 NC, . 1 . 2, . 1 . 2, . 3 . 4, . 3 . 4, Current Path: 1 NC, 1 NC, 1 NO, 1 NO Auxiliary Switch Specifications Product: Siemens SIRIUS Auxiliary Switch Block Model Number: 3RH2911 1HA22 Contact Configuration: 4 contacts: 2 NO (normally open) + 2 NC (normally closed) Contact Type: Instantaneous auxiliary contacts Mounting Type: Front mount (snap on) Terminal Type: Screw terminals Suitable For Use With: Siemens
Auxiliary Switch, On The Front, 2 NO + 2 NC, .1/.2, .1/.2, .3/.4, .3/.4, Current Path: 1 NC, 1 NC, 1 NO, 1 NO
Auxiliary Switch
Specifications
- Product: Siemens SIRIUS Auxiliary Switch Block
- Model Number: 3RH2911-1HA22
- Contact Configuration: 4 contacts: 2 NO (normally open) + 2 NC (normally closed)
- Contact Type: Instantaneous auxiliary contacts
- Mounting Type: Front mount (snap-on)
- Terminal Type: Screw terminals
- Suitable For Use With: Siemens 3RT2 and 3RH2 series contactors
- Rated Operational Current (AC-15): 6 A at 230 V
- Rated Operational Current (AC-12): 10 A at 24 V / 10 A at 230 V
- Rated Operational Current (AC-15): 6 A at 24 V, 6 A at 230 V
- Rated Insulation Voltage: 690 V
- Surge Voltage Resistance: 6 kV
- Mechanical Life: ~10 000 000 operations
- Electrical Life (AC-15, 230 V): ~200 000 operations
- Protection Class: IP20
- Ambient Operating Temperature: –25 °C to +60 °C
- Ambient Storage Temperature: –55 °C to +80 °C
- Dimensions (approx.): ~36 × 37.5 × 43.7 mm
- Weight: ~57 g
- Protection Standard: IEC/EN 60947-5-1 compliant (auxiliary contacts)
Downloads
Additional Information
| Device | Switch |
| Type | Auxiliary | Switch |
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4.7 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
The material and tight fitting helps keep you warm…
Size: Large, Color: Green
I am 5’8” tall and weigh in at 172 lbs dressed. These are the most comfortable cold weather shirts I have ever worn. In my humble opinion, what makes these shirts so comfortable and warm is the tight fitting and the soft, fleece like feeling on my skin. I wear and ordered the large size. The shirt is cut so they fit close to one’s body and look great compared to other brands of shirts that end up looking like one is wearing a potato bag. The tight fitting helps keep me feeling warm. No cold air pockets.
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Reviewed in the United States on January 27, 2026
★★★★★ 4
Nice, very soft fabric
Size: XX-Large, Color: Green
Very nice fabric, sizing is goood and only shrinks slightly after washing/drying. Good color selection
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Better than expected
Size: X-Large, Color: Light Red
Intended to use it as an everyday shirt but the quality we much better than expected for the price so it's now a more special occasion pullover. Nice soft and comfortable material, well constructed and sewn, good loose but not baggy fit, nice heft and substance around the collar. Lightweight but not thin fabric. Excellent value = 5+ stars
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Reviewed in the United States on March 2, 2024
★★★★★ 3
Beware of Size
Size: XX-Large, Color: White
Inconsistency in size per other reviews. The site said XL was my suggested size.....I usually follow that advice. I went XXL this time and happy I did. The neck is a medium and the rest is maybe XL....it feels "fitted" too...not very loose. I will keep it as I like a snug neck---but this needs effort to pull over my head. Having said that, the material is soft and not too thick. Just beware of sizes.
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Reviewed in the United States on October 16, 2025
★★★★★ 5
Excellence
Size: X-Large, Color: Black
Excellent product, definitely will be buying more
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Reviewed in the United States on May 21, 2026