The most compact of the STX series offering, the Surge-Trap® Type 1 STXH meets requirements for UL1449 Fourth Edition and is suitable for any 120/240VAC split phase application. The STXH Series SPD features TPMOV® technology inside making it the safest product available in its category. Its compact size, performance and reliability is especially for HVAC applications and direct mounting to air condition disconnect switches., 240/120V, L-N, L-G, Split Phase, LED 50 kA per phase

The most advanced of the STX series, the Surge-Trap® Type 1 STXT Series comes standard with EMI/RFI Filtering and surge capacities up to 200kA. The STXT features TPMOV® technology inside making it the safest product available. With line or load side installation flexibility, this unit is a great fit from the service entrance all the way down to each distribution and/or branch panel. 240V, L-G, L-L, 3-Phase Delta, LED and Remote Audible Alarm 100 kA per phase

The most advanced of the STX series, the Surge-Trap® Type 1 STXT Series comes standard with EMI/RFI Filtering and surge capacities up to 200kA. The STXT features TPMOV® technology inside making it the safest product available. With line or load side installation flexibility, this unit is a great fit from the service entrance all the way down to each distribution and/or branch panel. 240/120V, L-G, L-L, L-N, N-G, Split Phase, LED and Remote Audible Alarm 200 kA per phase

The most advanced of the STX series, the Surge-Trap® Type 1 STXT Series comes standard with EMI/RFI Filtering and surge capacities up to 200kA. The STXT features TPMOV® technology inside making it the safest product available. With line or load side installation flexibility, this unit is a great fit from the service entrance all the way down to each distribution and/or branch panel. 240/120V, L-G, L-L, L-N, N-G, Split Phase, LED 100 kA per phase

The most advanced of the STX series, the Surge-Trap® Type 1 STXT Series comes standard with EMI/RFI Filtering and surge capacities up to 200kA. The STXT features TPMOV® technology inside making it the safest product available. With line or load side installation flexibility, this unit is a great fit from the service entrance all the way down to each distribution and/or branch panel. 240/120V, L-G, L-L, L-N, N-G, High Leg Delta, LED and Remote Audible Alarm 200 kA per phase

The most popular range in the STX series offering, the Surge-Trap® Type 1 STXR meets requirements for UL1449 Fourth Edition and is ideal for the replacement of older surge arrestors. The STXR Series SPD feature TPMOV® technology inside making them the safest product available. With a small, compact design and line or load installation flexibility the STXR series is the perfect fit for branch panel and/or individual equipment protection., 240/120V, L-G, L-N, L-L, N-G, Split Phase, 50 kA per phase

The most popular range in the STX series offering, the Surge-Trap® Type 1 STXR meets requirements for UL1449 Fourth Edition and is ideal for the replacement of older surge arrestors. The STXR Series SPD feature TPMOV® technology inside making them the safest product available. With a small, compact design and line or load installation flexibility the STXR series is the perfect fit for branch panel and/or individual equipment protection., 480V, L-G, L-L, 3-Phase Delta, LED and Remote Audible Alarm 50 kA per phase

The most advanced of the STX series, the Surge-Trap® Type 1 STXT Series comes standard with EMI/RFI Filtering and surge capacities up to 200kA. The STXT features TPMOV® technology inside making it the safest product available. With line or load side installation flexibility, this unit is a great fit from the service entrance all the way down to each distribution and/or branch panel. 480Y/277V, L-G, L-L, L-N, N-G, 3-Phase Wye, LED 200 kA per phase

The most popular range in the STX series offering, the Surge-Trap® Type 1 STXR meets requirements for UL1449 Fourth Edition and is ideal for the replacement of older surge arrestors. The STXR Series SPD feature TPMOV® technology inside making them the safest product available. With a small, compact design and line or load installation flexibility the STXR series is the perfect fit for branch panel and/or individual equipment protection., 208Y/120V, L-G, L-N, L-L, 3-Phase Wye, LED and Remote Audible Alarm 50 kA per phase

The most popular range in the STX series offering, the Surge-Trap® Type 1 STXR meets requirements for UL1449 Fourth Edition and is ideal for the replacement of older surge arrestors. The STXR Series SPD feature TPMOV® technology inside making them the safest product available. With a small, compact design and line or load installation flexibility the STXR series is the perfect fit for branch panel and/or individual equipment protection., 240/120V, L-G, L-N, L-L, N-G, Split Phase, LED and Remote Audible Alarm 50 kA per phase

The most popular range in the STX series offering, the Surge-Trap® Type 1 STXR meets requirements for UL1449 Fourth Edition and is ideal for the replacement of older surge arrestors. The STXR Series SPD feature TPMOV® technology inside making them the safest product available. With a small, compact design and line or load installation flexibility the STXR series is the perfect fit for branch panel and/or individual equipment protection., 240V, L-G, L-L, 3-Phase Delta, 50 kA per phase

The most popular range in the STX series offering, the Surge-Trap® Type 1 STXR meets requirements for UL1449 Fourth Edition and is ideal for the replacement of older surge arrestors. The STXR Series SPD feature TPMOV® technology inside making them the safest product available. With a small, compact design and line or load installation flexibility the STXR series is the perfect fit for branch panel and/or individual equipment protection., 240/120V, L-G, L-N, L-L, Split Phase, 50 kA per phase