The Eaton Crouse-Hinds series SD16R is an ultra-slim surge protection device engineered for safeguarding data and signal circuits in process control and automation systems. Rated for 16 Vdc continuous operation and equipped with hybrid multistage protection, the SD16R module delivers up to 20 kA surge current capacity in a compact 7 mm footprint, ensuring reliable defense against transient overvoltages in both safe and hazardous areas.

Overview

The Eaton Crouse-Hinds series SD16R is an ultra-slim surge protection device engineered for safeguarding data and signal circuits in process control and automation systems. Rated for 16 Vdc continuous operation and equipped with hybrid multistage protection, the SD16R module delivers up to 20 kA surge current capacity in a compact 7 mm footprint, ensuring reliable defense against transient overvoltages in both safe and hazardous areas.

Key Features

• Ultra-slim 7 mm DIN-rail module for space-saving installation
• Hybrid multistage protection: up to 20 kA (8/20 µs) surge current capacity
• Continuous operating voltage (Uc): 16 Vdc
• Fast response time: < 1 ns
• Series resistance: 4.7 Ω per line
• Leakage current: < 5 µA
• High bandwidth: 50 MHz for high-speed data links
• Optical status indicator (LED) for real-time health check
• Certified intrinsically safe: ATEX Ex ia IIC T4 Ga, IECEx Ex ia IIC T4 Ga
• 10-year product warranty

Technical Specifications

Specification	Value
Rated voltage (Uc)	16 Vdc
Maximum surge current	20 kA (8/20 µs)
Response time	< 1 ns
Series resistance	4.7 Ω per line
Leakage current	< 5 µA
Bandwidth	50 MHz
Mounting	35 mm DIN rail
Dimensions (W × H × D)	7 × 76 × 93 mm
Weight	0.07 kg
Certifications	ATEX, IECEx, UL, CSA
Warranty	10 years

Applications

• 4–20 mA loops, RTD and mV transmitters
• RS 232, RS 422, RS 485, Profibus, Modbus networks
• Industrial Ethernet and Fieldbus systems
• Fire & gas detection and emergency shutdown circuits
• Hazardous-area installations in oil & gas, petrochemical, and chemical plants

About Eaton MTL Instruments

Eaton MTL Instruments, a division of Eaton Corporation (USA), is a global leader in surge protection solutions for signal, data and power applications. With over 50 years of experience, MTL products are engineered to perform reliably in harsh and hazardous environments.

Viet Thang Loi Technology Company Limited is the authorized distributor of Eaton MTL Instruments (MTL) and Eaton Crouse-Hinds (CEAG) in Vietnam. Please contact us for more details.