Technical Parameters
General
Product Type: Illuminated pilot light
Model: CL2‑523C
Series: CL2 compact pilot devices
Lens Color: Clear / transparent
Indicator Type: LED illumination
Panel Mounting Size: 30 mm nominal cut‑out
Electrical
Rated Operational Voltage: 230 V AC
Rated Frequency: 50 Hz / 60 Hz
Current Consumption: ~17 mA
Light Source: Integrated LED (no replaceable bulb)
Base Type: BA9s‑style mount (LED lamp integrated)
Rated Insulation Voltage: Suitable for low‑voltage control circuits
Mechanical & Connection
Terminal Type: Screw clamp terminals
Connecting Capacity:
Flexible with ferrule: 0.75 … 2.5 mm²
Solid: 0.75 … 2.5 mm²
Wire Stripping Length: ~8 mm
Tightening Torque: ~0.9 N·m
Dimensions (approx):
Width: ~30 mm
Depth: ~52 mm
Net Weight: ~0.018 kg
Environmental & Protection
Operating Temperature Range: –25 °C to +70 °C
Storage Temperature Range: –40 °C to +85 °C
Ingress Protection:
Front: IP66 / IP67 / IP69K (high dust & water resistance)
Terminals: IP20
NEMA / Enclosure Ratings: NEMA 1 / 3R / 4 / 4X / 12 / 13 (when correctly installed in a panel)
Pollution Degree: Industrial environments
Applications
Visual status indication in control panels and switchboards
Fault or power‑on indication for machines and equipment
OEM electrical panels and automation systems
Status signaling in manufacturing and process controls
The ABB CL2‑523C is a compact illuminated pilot light designed for panel mounting and visual signaling in industrial control systems, automation panels, and machinery operator stations. It features an integrated LED light source with a clear (transparent) lens, providing bright and long‑life indication at 230 V AC supply. The pilot light comes in a compact 30 mm diameter housing and uses screw terminals for easy installation and secure connection. Its robust construction supports high resistance against dust and water ingress on the front face, making it suitable for demanding indoor and outdoor industrial environments.