S-PT-EX(I)-24DC
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Surge protection device
2880671
Surge protection in the IP67 screw-on module for measuring sensors in intrinsically safe circuits, direct mounting with M20 x 1.5 external thread, cable gland for the signal line, two-stage protective circuit. HART-compatible. Can be used in safety-related circuits up to SIL 3.
Product details
| Notes on operation | When the bridge is disconnected, the shield connection is indirectly connected to the housing or reference potential. |
| Product type | Surge protection for MCR technology |
| Product family | SURGETRAB |
| IEC test classification | C1 |
| C2 | |
| C3 | |
| D1 | |
| Type | Screw-in module |
| Number of positions | 3 |
| Surge protection fault message | none |
| Wire pairs per module | 1 |
| Insulation characteristics | |
| Overvoltage category | III |
| Pollution degree | 2 |
| Nominal voltage UN | 24 V DC |
| Connection method | Screw connection |
| Screw thread | M3 |
| Tightening torque | 0.6 Nm |
| Conductor cross section flexible | 0.14 mm² ... 1.5 mm² |
| Conductor cross section rigid | 0.14 mm² ... 1.5 mm² |
| Conductor cross section AWG | 26 ... 16 |
| Maximum inner capacitance Ci | 2 nF |
| Max. internal inductance Li | 1 µH |
| Max. input current Ii | 350 mA (T4 / ≤ 50 °C) |
| 350 mA (T5 / ≤ 50 °C) | |
| 350 mA (T6 / ≤ 50 °C) | |
| Max. input voltage Ui | 30 V |
| max. input power Pi | 3.00 W |
| Insulation voltage to ground | 500 V AC |
| Ambient temperature (operation) | -40 °C ... 50 °C |
| Max. surface temperature | 135 °C (T4) |
| 100 °C (T5) | |
| 85 °C (T6) |
| Dimensional drawing |
|
| Width | 33.5 mm |
| Height | 33.5 mm |
| Depth | 137 mm |
| Color | Steel/stainless steel color |
| Housing material | Zinc die-cast, surface bronzed and nickel-plated |
| Housing surface material | nickel-plated |
| Mechanical data | |
| Open side panel | No |
| Direction of action | Line-Line & Line-Earth Ground |
| Maximum continuous voltage UC | 30 V DC |
| 21 V AC | |
| Rated current | 350 mA (50 °C) |
| Operating effective current IC at UC | ≤ 10 µA |
| Protective conductor current IPE | ≤ 2 µA |
| Nominal discharge current In (8/20) µs (line-line) | 10 kA |
| Nominal discharge current In (8/20) µs (line-ground) | 10 kA (per path) |
| Nominal discharge current In (8/20) µs (shield-ground) | 10 kA (optional) |
| Pulse discharge current Iimp (10/350) µs | 1 kA |
| Max. discharge current Imax (8/20) µs maximum (line-line) | 10 kA |
| Max. discharge current Imax (8/20) µs maximum (line-earth) | 10 kA (per path) |
| Discharge surge current Imax (8/20) µs maximum (shield-ground) | 10 kA |
| Nominal pulse current Ian (10/1000) µs (line-line) | 30 A |
| Nominal pulse current Ian (10/1000) µs (line-earth) | 100 A (per path) |
| Nominal pulse current Ian (10/1000) µs (shield-ground) | 100 A |
| Output voltage limitation at 1 kV/µs (line-line) spike | ≤ 50 V |
| Output voltage limitation at 1 kV/µs (line-earth) spike | ≤ 1.4 kV (Direct grounding) |
| Output voltage limitation at 1 kV/µs (shield-ground) spike | ≤ 600 V (optional) |
| Output voltage limitation at 1 kV/µs (line-line) static | ≤ 50 V |
| Output voltage limitation at 1 kV/µs (line-earth) static | ≤ 1.4 kV (Direct grounding) |
| Residual voltage at In (conductor-conductor) | ≤ 50 V |
| Residual voltage with Ian (10/1000) µs (line-line) | ≤ 50 V |
| Voltage protection level Up (line-line) | ≤ 50 V (C1 - 0.5 kV / 250 A) |
| ≤ 55 V (C1 - 1 kV / 500 A) | |
| ≤ 55 V (C2 - 2 kV/1 kA) | |
| ≤ 55 V (C2 - 10 kV / 5 kA) | |
| ≤ 50 V (C3 - 10 A) | |
| ≤ 50 V (C3 - 25 A) | |
| ≤ 80 V (D1 - 1 kA) | |
| Voltage protection level Up (line-earth) | ≤ 1.4 kV (C1 - 1 kV / 500 A) |
| ≤ 1.4 kV (C2 - 2 kV/1 kA) | |
| ≤ 1.4 kV (C2 - 10 kV / 5 kA) | |
| ≤ 1.4 kV (C3 - 25 A) | |
| ≤ 1.4 kV (C3 - 100 A) | |
| ≤ 1.4 kV (D1 - 1 kA) | |
| Voltage protection level Up (shield-ground) | ≤ 600 V (C1 - 0.5 kV / 250 A) |
| ≤ 650 V (C1 - 1 kV / 500 A) | |
| ≤ 650 V (C2 - 2 kV/1 kA) | |
| ≤ 650 V (C2 - 10 kV / 5 kA) | |
| ≤ 650 V (C3 - 10 A) | |
| ≤ 750 V (C3 - 25 A) | |
| ≤ 750 V (C3 - 100 A) | |
| ≤ 650 V (D1 - 1 kA) | |
| Response time tA (line-line) | ≤ 1 ns |
| Response time tA (line-earth) | ≤ 100 ns |
| Response time tA (shield-ground) | ≤ 100 ns |
| Input attenuation aE, sym. | typ. 0.5 dB (≤ 1 MHz / 50 Ω) |
| typ. 0.2 dB (≤ 400 kHz / 150 Ω) | |
| Cut-off frequency fg (3 dB), sym. in 50 Ω system | typ. 6 MHz |
| Cut-off frequency fg (3 dB), sym. in 150 Ω system | typ. 2.5 MHz |
| Resistance per path | 2.2 Ω ±10 % |
| Surge protection fault message | none |
| Impulse durability (line-line) | C1 - 1 kV / 500 A |
| C2 - 10 kV / 5 kA | |
| C3 - 25 A | |
| D1 - 1 kA | |
| Impulse durability (line-earth) | C1 - 1 kV / 500 A |
| C2 - 10 kV / 5 kA | |
| C3 - 100 A | |
| D1 - 1 kA | |
| Impulse durability (shield-ground) | C1 - 1 kV/500 A |
| C2 - 10 kV/5 kA | |
| C3 - 100 A | |
| D1 - 1 kA | |
| Alternating current carrying capacity (line-earth) | 10 A - 1 s |
| Alternating current carrying capacity (shield-ground) | 10 A - 1 s |
| Ambient conditions | |
| Degree of protection | IP67 |
| Ambient temperature (operation) | -40 °C ... 50 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Altitude | ≤ 2000 m (amsl) |
| Conformity/Approvals | |
| ATEX | II 1G Ex ia IIC T4...T6 Ga |
| IECEx | Ex ia IIC T4...T6 Ga |
| Air clearances and creepage distances | |
| Standards/regulations | IEC 60664-1 / EN 60079-0 / EN 60079-11 |
| Standards/specifications | EN 61643-21 |
| Note | A2:2013 |
| Standards/specifications | EN 60079-0 |
| Note | 2018 |
| Standards/specifications | EN 60079-11 |
| Note | 2012 |
| Standards/specifications | IEC 60079-0 |
| Note | 2017 |
| Standards/specifications | IEC 60079-11 |
| Note | 2011 |
| Mounting type | direct screw connection |
Your advantages
Easiest field mounting with standardized thread
Versatile in use with universal protective circuit
Use under extreme ambient conditions with robust design