The nVent ERICO Critec Transient Surge Filter (TSF) product family is a UL registered, IEC compliant, compact, serviceable solution for protection of PLC controllers, SCADA systems, motor control centers and other process control systems.
| IEC 61643-11 Ratings | |||||
| Part Number | TSF6A24V | TSF6A120V | TSF20A120V | TSF6A240V | TSF20A240V |
| Max Continuous Operating Voltage (Uc) | 30 V | 170 V | 275 V | ||
| Rated Load Current (IL) | 6 A | 16 A | 6 A | 16 A | |
| Nominal Discharge Current (In), L-N | 3 kA 8/20 μs | ||||
| Nominal Discharge Current (In), L-PE | 3 kA 8/20 μs | ||||
| Nominal Discharge Current (In), N-PE | 3 kA 8/20 μs | ||||
| Voltage Protection Level (Up), L-N | 330 V | 330 V | 330 V | 800 V | 850 V |
| Voltage Protection Level (Up), L-PE | 500 V | 1050 V | 1050 V | 1800 V | 1900 V |
| Voltage Protection Level (Up), N-PE | 500 V | 1050 V | 1050 V | 1800 V | 1900 V |
| Overcurrent Protection Circuit Breaker | Clipsal 4CB106/10 | Clipsal 4CB116/10 | Clipsal 4CB106/10 | Clipsal 4CB116/10 | |
| Complies With | IEC® 61643-11 Class II | ||||
| UL 1449 Edition 4 / UL 1283 Edition 5 Ratings | |||||
| Part Number | TSF6A24V | TSF6A120V | TSF20A120V | TSF6A240V | TSF20A240V |
| Max Continuous Operating Voltage (Uc) | - | 170 V | 275 V | ||
| Rated Load Current (IL) | - | 6 A | 20 A | 6 A | 20 A |
| Nominal Discharge Current (In), L-N | - | 3 kA 8/20 μs | |||
| Nominal Discharge Current (In), L-PE | - | 3 kA 8/20 μs | |||
| Nominal Discharge Current (In), N-PE | - | 3 kA 8/20 μs | |||
| Voltage Protection Rating (VPR), L-N | - | 330 V | 400 V | - | - |
| Voltage Protection Rating (VPR), L-PE | - | 900 V | 800 V | - | - |
| Voltage Protection Rating (VPR), N-PE | - | 700 V | 700 V | - | - |
| Measured Limiting Voltage (MLV), L-N | - | - | - | 620 V | 680 V |
| Measured Limiting Voltage (MLV), L-PE | - | - | - | 1450 V | 1360 V |
| Measured Limiting Voltage (MLV), N-PE | - | - | - | 1220 V | 1330 V |
| Overcurrent Protection Fuse | - | Bussmann FNQ-R-7-1/2 | Mersen ATMR25 | Bussmann FNQ-R-7-1/2 | Mersen ATMR25 |
| Certification Details | - | UL® 1449 Edition 4 Type 2CA, 3 kA Mode | UL® 1449 Edition 4 Type 4CA, 3 kA Mode | ||
| UL® 1283 Edition 5 EMI Filter | |||||
