The Phoenix Contact PLC-BPT-24DC/1/SEN is a solid state relay (SSR) interface module designed for industrial PLC output switching. It provides a noiseless, long-life alternative to electromechanical relays, with fast switching speeds and high vibration resistance. The module is part of the PLC-INTERFACE family.
Nominal input voltage: 24VDC
Input voltage range: 19.2VDC to 30VDC
Input current: 8mA typ at 24V
Turn-on voltage: ≥ 16VDC
Turn-off voltage: ≤ 5VDC
Protection circuit: Reverse polarity protection, varistor for surge suppression
Status indication: Yellow LED (lights when input energized)
| Parameter | Value |
|---|---|
| Output type | Solid state (triac or MOSFET, zero-crossing AC or DC version? Note: This model is AC/DC capable, MOSFET output) |
| Continuous current | 3A (at 25°C), derate linearly to 1.5A at 60°C |
| Switching voltage | 5-48VDC (also suitable for AC up to 48Vrms) |
| Peak inrush current | 20A for 10ms |
| On-state resistance | ≤ 0.1 ohm |
| Off-state leakage | < 0.1mA |
Turn-on time: < 0.1ms
Turn-off time: < 0.2ms
Maximum switching frequency: 1kHz (resistive load)
Electrical life: virtually unlimited (no mechanical wear)

Optical isolation between input and output: 2.5kVrms for 1 minute. Clearance and creepage distances comply with IEC 60664-1 for pollution degree 2.
Operating temperature: -20°C to +60°C
Storage temperature: -40°C to +85°C
Humidity: 5-95% RH non-condensing
Dimensions: 6.2mm width, 80mm height, 56mm depth
Mounting: NS 35/7.5 or NS 35/15 DIN rail (EN 60715)
Weight: 30g
Screw terminals (rising cage clamp) accept wire sizes 0.14mm² to 2.5mm² (AWG 26-12). Stripping length 8mm. Torque 0.5-0.6Nm.
Directly connect to PLC outputs (sourcing or sinking) for switching solenoids, lamps, small motors, and heaters. Silent operation ideal for clean rooms or medical equipment. Also used in high-cycle applications like counter inputs or fast positioning.
CE, cULus listed (File E140918), UKCA, CCC. RoHS and REACH compliant.



