SURGEPROTECT SP-F / EX(I)-24DC and SP-F / 1X2-24DC are surge protective devices for all common standard signals that are directly attached to any sensor head via their connecting threads. This type of mounting saves time and money, and there is no need for an additional connection box for installing the surge protection.
SURGEPROTECT SP-F / EX-24DC is corrosion resistant and has complies with IP67, thus it is also suitable for use in rough industrial environments and hazardous areas.
SURGEPROTECT SP-F / EX(I)-24DC
Surge protection for measurement and control technology in intrinsically safe power circuits.
| Ambient temperature (operation) | –40…+50°C; –40…+122°F |
| Degree of protection | IP67 |
| Housing material | Zinc die-cast |
| Mounting type | Direct screw connection |
| Number of positions | 3 |
| Nominal voltage UN | 24 V DC |
| Operating effective current IC at UC | ≤ 10 μA |
| Voltage protection level Up (core-core) | ≤ 55 V (C2: 5 kA) ≤ 50 V (C1: 250 A) ≤ 50 V (C3: 25 A) ≤ 80 V (D1: 1 kA) |
| Voltage protection level Up (core-ground) | ≤ 1,4 kV (C2: 5 kA, direct grounding) ≤ 1,4 kV (C1: 500 A) ≤ 1,4 kV (C3: 100 A) ≤ 1,4 kV (D1: 1 kA) |
| Voltage protection level Up (shield-ground) | ≤ 650 V (C2: 5 kA, optional) |
| Resistance in series | 2,2 Ω ±10 % |
| Approvals | Ex ia IIC |
SURGEPROTECT SP-F / 1X2-24DC
Surge protection for measurement and control technology in current loops and non-hazardous areas.
| Ambient temperature (operation) | –40…+85°C; –40…+185°F |
| Degree of protection | IP67 |
| Housing material | Zinc die-cast, surface bronzed and nickel-plated |
| Mounting type | Direct screw connection |
| Number of positions | 3 |
| Nominal voltage UN | 24 V DC |
| Operating effective current IC at UC | ≤ 10 μA |
| Voltage protection level Up (core-core) | ≤ 80 V (C2: 5 kA) |
| Voltage protection level Up (core-ground) | ≤ 450 V (C2: 5 kA, direct grounding) |
| Voltage protection level Up (shield-ground) | ≤ 600 V (C2: 5 kA, optional) |
| Resistance in series | 2,2 Ω |
| Approvals | – |
SURGEPROTECT SP-F / EX-24DC
Surge protection for measurement and control technology in acc. with protection types Ex d, Ex tD, Ex ia IIC
| Ambient temperature (operation) | -40…+80°C; -40…+176°F (non-Ex) |
| Degree of protection | IP67 |
| Housing material | Stainless steel |
| Mounting type | M20 |
| Number of positions | 2 |
| Nominal voltage UN | 24 V DC |
| Operating effective current IC at UC | – |
| Voltage protection level Up (core-core) | ≤ 65 V (C3: 10 A) |
| Voltage protection level Up (core-ground) | ≤ 1,1 kV (C3: 100 A) ≤ 1,1 kV (C1: 1 kV, 500 A) ≤ 1,2 kV (C2: 10 kV, 5 kA) |
| Voltage protection level Up (shield-ground) | – |
| Resistance in series | – |
| Approvals | Ex d, Ex tD, Ex ia IIC |