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The KL4501X1-BF1 terminal block terminates field wiring inside DeltaV marshalling cabinets. Emerson engineers this unit for secure, organized signal connections between field devices and I/O cards. It groups sixteen terminal pairs into one compact housing and labels each pair clearly.
Terminal Count and Wiring Interface
Sixteen screw-clamp terminal pairs accept incoming and outgoing field conductors. Each terminal handles wire gauges from 0.5 mm² to 2.5 mm² without adapters. The housing separates adjacent circuits with molded barriers, which reduce cross-talk between signal lines. Additionally, a snap-on cover protects live terminals from accidental contact.
Physical Dimensions and Mounting Details
The block measures 180 mm in length, 75 mm in width, and 40 mm in depth. It weighs approximately 0.3 kg, and it snaps onto a standard 35 mm DIN rail. Two end stops hold the unit in position along the rail. The polyamide housing resists flame and withstands temperatures up to 105 °C.
| Parameter | Specification |
|---|---|
| Model | KL4501X1-BF1 |
| Terminal Pairs | 16 |
| Terminal Type | Screw clamp |
| Wire Gauge | 0.5–2.5 mm² |
| Length | 180 mm |
| Width | 75 mm |
| Depth | 40 mm |
| Weight | 0.3 kg |
| Mounting | DIN rail (35 mm) |
| Housing Material | Polyamide, flame retardant |
| Max Temperature | 105 °C |
Installation and Wiring Notes
Technicians snap the KL4501X1-BF1 onto the DIN rail and tighten each screw to the rated torque. Clear channel markings let installers match conductors to I/O points quickly. The molded barriers keep stranded wire ends from bridging neighboring circuits. Consequently, wiring errors drop and maintenance checks run faster.
Why This Block Fits Marshalling Cabinet Builds
Integrators choose the KL4501X1-BF1 for its sixteen-pair density and rugged polyamide body. The snap-on cover protects personnel during live cabinet work. Furthermore, the DIN rail mount allows quick layout changes during cabinet expansion. This terminal block serves refineries, chemical plants, and water treatment facilities.