| PartNumber | ECW1J-B24-BB0012L | ECW1J-B24-AC0024L | ECW1J-B24-AB0012L |
| Description | Encoders SLOT PCB 12DETENTS 1/4"BUSHING | Encoders 9mm Inserted Slot | Encoders DIGITAL CONTACTING ENCODER |
| Manufacturer | Bourns | Bourns | Bourns Inc. |
| Product Category | Encoders | Encoders | Encoders |
| RoHS | Y | Y | - |
| Series | ECW | ECW | ECW |
| Mounting Style | Panel Mount | Panel Mount | Panel |
| Product | Mechanical Encoders | Mechanical Encoders | Mechanical |
| Type | Incremental | Incremental | Incremental |
| Resolution | 12 PPR | 24 PPR | 12 PPR |
| Technology | Rotary | Rotary | Rotary |
| Number of Detents | 12 Detent | 24 Detent | 12 Detent |
| Number of Channels | 2 Channel | 2 Channel | 2 Channel |
| Termination Style | PC Pin | PC Pin | PC Pin |
| Output Type | Quadrature | Quadrature | Quadrature (Incremental) |
| Shaft Diameter | 1/4 in | 1/4 in | 1/4 in |
| Shaft Type | Slotted | Slotted | Slotted |
| With Switch | No Switch | No Switch | No Switch |
| Operating Supply Voltage | - | - | - |
| Life | 200000 Shaft Revolutions | 200000 Shaft Revolutions | - |
| Packaging | Bulk | Bulk | Bulk |
| Bushing Size | 9 mm x 6.35 mm | 9 mm x 6.35 mm | 9 mm x 6.35 mm |
| Size / Dimension | 28.5 mm x 22 mm | 28.5 mm x 22 mm | - |
| Brand | Bourns | Bourns | - |
| Bushing Material | Plastic | Plastic | Plastic |
| Bushing Thread | M9 x 0.75 | M9 x 0.75 | M9 x 0.75 |
| IP Rating | IP40 | IP40 | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Product Type | Encoders | Encoders | - |
| Shaft Length | 3/4 in | 3/4 in | 3/4 in |
| Factory Pack Quantity | 45 | 45 | - |
| Subcategory | Encoders | Encoders | - |
| Unit Weight | 0.740753 oz | 0.740753 oz | - |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Mounting Type | - | - | Panel, PCB Through Hole |
| Size Dimension | - | - | 28.5 mm x 22 mm |
| Voltage Supply | - | - | - |
| Actuator Type | - | - | 1/4" Dia Slotted End |
| Orientation | - | - | Vertical |
| Encoder Type | - | - | Mechanical |
| Pulses per Revolution | - | - | 12 |
| Detent | - | - | Yes |
| Built in Switch | - | - | No |
| Rotational Life Cycles Min | - | - | 200K |