SQUARE D Auxiliary Contact Block: 1NO/1NC
The SQUARE D Auxiliary Contact Block (MPN 9999SO4) is a 1NO/1NC contact block with a maximum current rating of 30 A (AC). It is designed for use with SQUARE D 8911DPS Definite Purpose Starters.
SKU 3G-OTH-38105
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Product Description
The SQUARE D Auxiliary Contact Block (MPN 9999SO4) is a 1NO/1NC contact block with a maximum current rating of 30 A (AC). It is designed for use with SQUARE D 8911DPS Definite Purpose Starters.
Frequently Asked Questions
What is the SQUARE D Auxiliary Contact Block 9999SO4 used for?
The SQUARE D Auxiliary Contact Block 9999SO4 is used to add extra switching capacity to definite purpose starters. It provides one normally open and one normally closed contact for control circuits, enabling remote monitoring or interlocking in industrial motor control applications.
What are the specifications of the SQUARE D 9999SO4 contact block?
The SQUARE D 9999SO4 is an auxiliary contact block with 1 normally open and 1 normally closed contact. It has a maximum current rating of 30 A (AC) and is compatible with SQUARE D 8911DPS Definite Purpose Starters. The manufacturer part number is 9999SO4.
Where to buy the SQUARE D 9999SO4 contact block worldwide?
You can source the SQUARE D 9999SO4 auxiliary contact block through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to install the SQUARE D 9999SO4 auxiliary contact block?
To install the SQUARE D 9999SO4, first disconnect power to the starter. Mount the block onto the 8911DPS definite purpose starter using the provided hardware. Wire the normally open and normally closed contacts according to your control circuit diagram. Verify operation before restoring power.
Used in
Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D square d auxiliary contacts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
