SIEMENS
SIEMENS 3RV29011D Transverse Contact Block
Auxiliary contact block with screw terminals fits SIRIUS 3RV2 motor starter protectors
- Screw terminals simplify wiring for reliable connections
- One change-over contact expands control circuit flexibility
- Designed for SIRIUS 3RV2 motor starter protectors
- NEMA size 0 and 00 ensures broad compatibility
- IP20 rating protects against solid object ingress
SIEMENS 3RV29011D Auxiliary Contact Block
This auxiliary contact block adds one change-over contact to SIRIUS 3RV2 motor starter protectors. It mounts transversely on the starter and uses screw terminals for wiring. The block is rated IP20 and fits NEMA size 0 and 00 starters. It suits panel builders expanding control circuits on compatible starters.
Upgrade from starters without auxiliary contacts
Adding this block provides a signalling or interlock contact where the starter has none. The jump is worth it when a control circuit needs a separate normally-open or normally-closed path for indication or safety logic. Starters already equipped with factory-fitted auxiliaries do not need this accessory.
Sustained load behaviour
The contact block operates within the starter's IP20 enclosure under continuous duty. Screw terminals maintain secure connections during vibration and thermal cycling. Performance follows the starter protector's own duty rating rather than an independent short-time rating.
Highlights
- Screw terminals simplify wiring for reliable connections
- One change-over contact expands control circuit flexibility
- Designed for SIRIUS 3RV2 motor starter protectors
- NEMA size 0 and 00 ensures broad compatibility
- IP20 rating protects against solid object ingress
Specifications
| Brand | SIEMENS |
|---|
Questions about this item
What screw-terminal spacing does the 3RV29011D need for wiring?
The block uses screw terminals; strip each conductor to the length marked on the housing and tighten to the torque printed on the label.
Which step is most often missed when fitting the block onto a SIRIUS 3RV2 starter?
Slide the block fully onto the starter’s transverse rail until the latch clicks; a loose fit will leave the contacts open.
When should the auxiliary contact block be replaced?
Replace it if the IP20 housing is cracked, the screw terminals show overheating discoloration, or the contacts no longer make reliable closure.
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