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Folding & Inserting Machines > Pitney Bowes Relay 4500
Pitney Bowes Relay 4500 Folder Inserter


Increase your productivity and improve the accuracy of your mailing process with the Relay 4500 folder inserter. Designed on a tried and proven platform, the reliable Relay 4500 is able to finish up to 42,500 mail pieces per month. Features including the high capacity envelope feeder and cascading feeding from the sheet feeders maximize efficiency by minimizing time spent loading materials. Gain confidence knowing that your largest critical mailings are finished on time, every time, without errors.
Technical Specifications
- Cycle speed: 3,500 per hour
- Color Touchscreen UI: Standard
- Monthly Capacity: Up to 42,500/month
- Feeder configuration: 2 sheet feeders, 1 insert feeder, high capacity outer envelope feeder
- Fold Options: C, Z, Half (V), Double
- Integrity options: OMR, 2D
- Cascade from sheet feeders: Yes
- Envelope sealing: Standard
Accumulate before folding
- C or Z fold: up to 5 sheets
- Half fold: up to 10 sheets (2 groups of 5)
- Double Fold (Legal Paper): up to 3 sheets
Sheet Feeder Trays(s)
- Capacity per tray: 325 sheets 20 lb/75 gsm paper
- Paper sizes: Minimum: 7” (178mm) Width x 7” (178mm) Length; Maximum: 9” (229mm) Width x 16” (406mm) Length
- Paper weights: Minimum: 18lb/70gsm; Maximum: 32lb/120gsm
Insert Feeder Tray
- Capacity: 300
- Media sizes: Minimum: 5” (127mm) Width x 3.25” (82mm) Length; Maximum: 9” (230mm) Width x 6” (152mm) Length
- Media weights: Minimum: 20 lb/75gsm (non-folded cut sheet), 16 lb/60 gsm (folded material); Maximum: 50 lb/180gsm (single sheet) maximum compressed thickness of .078” (2mm)
Envelope specifications
- Capacity: up to 300
- Envelope Sizes: Minimum: 3.5” (88mm) Deep x 8.5” (220mm) Wide; Maximum: 6.5” (164mm) Deep x 9.5” (242mm) Wide
- Envelope weights: Minimum: 17lb (65gsm); Maximum: 26lb (100gsm)
- Programmable jobs: 20
Physical specifications
- Tabletop Dimensions: 39” L x 21” W x 25” H (991mm x 533mm x 635mm)
- Full Installed dimensions: 42” L x 21” W x 25” H (1067mm x 533mm x 635mm)
- Weight: 158 lbs / 72 kg
Accessory Physical specifications
- Vertical Power Stacker
- Installed Length: 14 inches / 356 mm
- Height: 24 inches / 610 mm
- Drop Stacker
- Installed Length: 10.5 inches / 267 mm
Additional Information
Pitney Bowes Relay 4500 Brochure