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ELESA Hole Reduction Sleeve: Black Oxide Coated Steel, 0.25 in Bore Dia - Hole Reducing Sleeves for Position Indicators
ELESAHole Reducing Sleeves for Position Indicators

ELESA Hole Reduction Sleeve: Black Oxide Coated Steel, 0.25 in Bore Dia

The ELESA Hole Reduction Sleeve (Series RB51, MPN CE985940) is a black oxide coated steel hole reducing sleeve designed for position indicators. It features a 0.25 in bore diameter and fits a 0.5 in bore.

SKU 3G-OTH-28849

Brand
ELESA
Item
Hole Reduction Sleeve: Black Oxide Coated Steel, 0.25 in Bore Dia
Category
Hole Reducing Sleeves for Position Indicators
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Technical Specifications

ELESA
Manufacturer Part Number
CE985940
Series
RB51
Type
Fits 0.5 in Bore
Bore Dia
0.25 in
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ELESA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ELESA Hole Reduction Sleeve (Series RB51, MPN CE985940) is a black oxide coated steel hole reducing sleeve designed for position indicators. It features a 0.25 in bore diameter and fits a 0.5 in bore.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is an ELESA hole reduction sleeve used for?

An ELESA hole reduction sleeve adapts a position indicator with a 0.5 in bore to accept a 0.25 in shaft. It is used in industrial machinery to mount dials, knobs, or indicators where shaft and bore sizes differ, ensuring a secure fit without replacing the entire component.

What are the specifications of the ELESA RB51 hole reduction sleeve?

The ELESA RB51 hole reduction sleeve (MPN CE985940) has a 0.25 in bore diameter and fits a 0.5 in bore. It is made of black oxide coated steel for corrosion resistance. This sleeve is designed specifically for position indicators in industrial applications.

Where to buy ELESA hole reduction sleeves worldwide?

3G Electric supplies ELESA hole reduction sleeves worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine ELESA components to your facility. Contact us for pricing and lead time on the RB51 series sleeve.

How to install an ELESA hole reduction sleeve?

To install an ELESA hole reduction sleeve, insert it into the 0.5 in bore of the position indicator. Ensure the sleeve is fully seated and aligned. Then mount the shaft through the 0.25 in bore. Use set screws or retaining rings as specified by the indicator manufacturer to secure the assembly.

Used in

Common applications for ELESA
Packaging machinery — ELESA CFSW Series hinged safety-interlock switches for guard door monitoring on carton sealers and wrappers.
Food processing equipment — ELESA handle-based safety interlock switch (260801-C1) with IP69K rating for washdown zones in meat or dairy lines.
Material handling systems — ELESA CFSW Series switches with 2 m cable for access gates on conveyor systems.
Industrial automation — ELESA CFSW Series with 2NO/2NC contacts for dual-channel safety circuits in robotic cells.
Pharmaceutical manufacturing — ELESA handle-based switches with UL94 V0 materials for cleanroom-compatible machine guarding.
Heavy machinery — ELESA CFSW Series with 5 m cable for large access doors on industrial ovens or presses.

ELESA Products

3G Electric supplies ELESA hole reducing sleeves for position indicators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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