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Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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Allen-Bradley 4100-ESRS Encoder Signal Reference Simulator 5V DC / 12V DC

$339.00 USD

Sale Sold out

✓ 30-day returns on every item — return policy

ConditionSurplus - Untested MPN4100-ESRS Stock #Stock # 0626-01602

30-day returns on every item. Photos reflect the actual item’s current condition — see our return policy and condition guide.

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Product Specifications

Manufacturer: Allen-Bradley
MPN / Model: 4100-ESRS
Product Type: Encoder Signal Reference Simulator
Bulletin: 4100
Series: A
Assembly: 9103-0170 REV 001C
Firmware Revision: 1.12
Voltage: 5V DC, 12V DC
Current: 0.6A at 5V, 0.6A at 12V
Serial Number: C0012643
Country of Origin: Made in UK

Product Description

Allen-Bradley 4100-ESRS is an Encoder Signal Reference Simulator from Bulletin 4100, identified by catalog number 4100-ESRS and serial number C0012643. This unit is a Series A build with assembly designation 9103-0170 REV 001C and firmware revision 1.12. The nameplate lists power input options of 5V at 0.6A and 12V at 0.6A. The steel case includes integral mounting feet and a front panel with a control knob, three BNC connectors labeled Line Speed Ref Out, Strobe Out, and Ext Line Speed In, plus a P1 ribbon connector and a P2 nine pin connector. The faceplate also carries Selection, Stop, and Line Speed labeling. Made in UK. This listing is useful for maintenance buyers and automation technicians matching the exact Allen-Bradley catalog number for replacement, spare inventory, or sourcing of a discontinued Bulletin 4100 encoder signal simulator.

Please Note: This unit is surplus inventory, sold as-is from MRO Exchange surplus stock. Allen-Bradley is a trademark of Rockwell Automation, Inc. MRO Exchange is an independent reseller and is not an authorized distributor of Rockwell Automation. Product may differ from units available through authorized distributors in date code, country of origin, packaging, accessories, or firmware revision. The warranty from the manufacturer does not apply.

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.