Eaton MTL SD32 surge protector.
Eaton MTL SD32 Surge Protector | Eaton Crouse-Hinds Signal SPD
Eaton Crouse-Hinds MTL SD32 Signal Surge Protector
The Crouse-Hinds series MTL SD range is a comprehensive series of surge protection devices that combine unparalleled packing density, exceptional application versatility, proven and reliable hybrid circuitry, simple installation, and optional loop disconnect facilities.
These features make the MTL SD range the ultimate surge protection solution for process equipment, I/O systems, and industrial communication networks.
The exceptionally high packing density is achieved through an ultra-slim module footprint, allowing individual modules to double as feedback terminals. Each module provides full hybrid surge protection for both 2-wire and 3-wire loop applications.
Product Name | Eaton Crouse-Hinds series MTL SD surge protector |
Catalog Number | SD32 |
Product Length / Depth | 99 mm |
Product Height | 101.3 mm |
Product Width | 7 mm |
Product Weight | 70 g |
SD32T3, SDRTD, SDR3 Models
The SD32T3, SDRTD, and SDR3 surge protection devices provide excellent levels of protection across all three conductors, while maintaining an exceptionally compact footprint.
This range represents the most compact 3-wire surge protection solution currently available on the market, making it ideal for installations where space is at a premium.
Installation ease | Reliability | Safety |
Ultra-slim space-saving design | 20kA maximum surge current | ATEX,IECEx Certified, intrinsically safe |
Specifications
Area classification | Hazardous / Classified Locations |
|---|---|
Standards type | IECEx / ATEX, NEC / CEC, IEC |
IECEx / ATEX hazardous rating | Zone 2 |
Ingress protection (IP) ratings | IP54 |
Mounting Method | T-section DIN rail |
Frequency | 25 kHz |
Response Time | < 1 ns |
Fuse Disconnect | Yes |
Category Tested Acc. IEC 61643-21 | A2, B2, C1, C2, C3, D1 |
Conductor Cross-section | 12 AWG |
Minimum Ambient Operating Temperature | -40 °C |
Maximum Ambient Operating Temperature | 80 °C |
Minimum Ambient Storage Temperature | -40 °C |
Maximum Ambient Storage Temperature | 80 °C |
Humidity | 5–95% RH (non-condensing) |
Modes of Protection | Protection for electronic equipment and systems against surges on signal and I/O cabling |
Nominal Voltage AC | 22 V |
Nominal Voltage DC | 32 V |
Nominal Discharge Surge Current (8/20 µs) | 5 kA |
Lightning Impulse Current (10/350 µs) | 2.8 kA |
Nominal Load Current | 250 mA |
Voltage Protection Level at In | 60 V |
Voltage Protection Level at 1 kV/µs | < 45 V |
Series Resistance (Ω / line) | 4.2 Ω |
Max. Leakage Current | 5 µA |
Max. Continuous Voltage AC | 36 V |
Ordering Information
Model | Nominal voltage (Un) | Nominal current (In) | Series resistance | Max. leakage current | Rated voltage (MCOV) | Voltage protection level (Up) | Residual voltage | Bandwidth (frequency) | Special feature |
|---|---|---|---|---|---|---|---|---|---|
SD32T3 | 32 / 22 | 400 | 2.2 | 5 | 36 | <45 | 75 | 720 kHz | 3 Terminal |
SD07R3 | 7 / 5 | 400 | 2.7 | 500 | 7.7 | <12 | 30 | 50 MHz | 3 Terminal |
SD16R3 | 16 / 11 | 400 | 4.7 | 5 | 17 | <25 | 40 | 50 MHz | 3 Terminal |
SD32R3 | 32 / 22 | 400 | 10 | 5 | 36 | <45 | 60 | 50 MHz | 3 Terminal |
SD55R3 | 55 / 38 | 400 | 10 | 5 | 62 | <90 | 100 | 50 MHz | 3 Terminal |
About Eaton MTL Instruments
Eaton is a global power management company and a leading supplier of explosion-proof and hazardous area solutions. Through its Crouse-Hinds / CEAG and MTL Instruments product lines, Eaton provides certified lighting, power distribution, control and intrinsic safety systems for Zone 0, 1, 2, 21 and 22 hazardous environments.
Eaton solutions are widely applied in oil and gas, petrochemical, chemical, pharmaceutical and heavy industrial facilities where safety, reliability and international compliance are essential.
Viet Thang Loi Technology Company Limited is the official authorized distributor in Vietnam for Eaton MTL Instruments and Eaton Crouse-Hinds / CEAG, providing genuine products, technical consulting and after-sales services for explosion-proof and hazardous area projects.
