SIEMENS BERO Inductive Proximity Sensor
BERO Type: DC – npn
Model: 3RG4624-0GB02
1. General Description
The Siemens 3RG4624-0GB02 is a rectangular-style inductive proximity sensor from the BERO family. It is designed for the non-contact detection of metallic objects in industrial automation applications.
This model is a non-flush mountable (unshielded) sensor, which provides an exceptionally long sensing distance of 40 mm. It operates on a standard DC supply and provides an NPN Normally Open (NO) output.
Key Features 🎯
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Long Sensing Range: Sn = 40 mm
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Non-Flush Mounting: Unshielded design for maximum sensing distance.
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Standard NPN Output: Provides a 3-wire, NPN Normally Open (sinking) output.
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Wide Voltage Range: Operates on any DC voltage from 10 to 30 V.
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Robust Housing: Durable rectangular housing for secure mounting.
2. Technical Specifications
Electrical Data
| Parameter | Value |
| Operating Voltage (L+) | 10 … 30 VDC |
| Output Type | NPN (Sinking) |
| Output Function | NO (Normally Open) |
| Max. Load Current | 0.2 A (200 mA) |
| Protection | Reverse polarity and short-circuit protection (Typical) |
Performance & Mechanical Data
| Parameter | Value |
| Sensing Distance (Sn) | 40 mm |
| Mounting | Non-flush (Unshielded) |
| Housing Style | Rectangular |
| Connection | Pre-cabled |
3. Wiring
The label clearly indicates the wiring for a standard 3-wire NPN NO sensor:
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br (bn) – Brown: L+ (Connect to 10 – 30 VDC)
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bl (bu) – Blue: L- (Connect to 0V / GND)
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sw (bk) – Black: A (NPN Output Signal)
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