ECAT E502B - 10x700µs Telecom Surge Rental

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Keytek ECAT Telecom Surge Module:

  • 10x700µs and 9x720µs Waveforms (6.6kV)
  • IEC 61000-4-5, FCC Part 68, ITU K.17, K.20, & K.21 
  • Must be Used with ECAT E103 Controller
  • Firmware Updates Provided Upon Request

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Common Immunity Accessories


Telecom Surge ECAT Module Features: 

      • 10x700µs and 9x720µs Waveforms
      • ISO 17025 Calibration Included
      • Built-in Pulse Monitor
      • Can Be Rented w/without E103 System
      • Free Technical Support & 2 Days Free Transit
      • Must be Used with ECAT E103 Controller


The ECAT E502B by Thermo Fisher Scientific / Keytek is the telecommunications surge module to test to a variety of standards having telecom requirements providing 10x700µs and 9x720µs waveforms. This Thermo Fisher Scientific EMI immunity test equipment rental comes with an A2LA accredited calibration and free technical support. The rental is only for the ECAT E502B module.

This EMI Test Equipment provides single port testing and allows changing tests modes without switching off power to the equipment under test (EUT). This helps testing with the E502 B to be conducted efficiently without re-initializing the EUT between tests. The ECAT E103 is required for use and both units can be rented as an ECAT E103 & E502 EMI immunity test system. 

The ECAT E 502B is designed to test to EN IEC 61000-4-5, ITU-T K.20, ITU-T K.21, FCC part 68, ITU-T k.17 and many other telecommunication based standards.The modular system of this Thermo Fisher / Keytek product provides the ability to be upgraded providing the ability to upgrade test capabilities to meet the newest standard. The E103 and E502B combination can be controlled via front panel or through computer using Keytek software.  

Data Sheet


Telecom Surge E502b for ECATS



EN/IEC 61000-4-5, ITU-T K.20, ITU-T K.21,

FCC part 68, ITU-T k.17

Open Circuit Voltage Waveform

10µs  Front Time - Tolerance 7 to 11.7µs.

700µs Duration – Tolerance  576 µs to 840 µs

Short Circuit Current Waveform

5µ Front Time ±  30%, 320µs Duration ± 20%

Peak Open Circuit Voltage

200V–6.6kV ± 10% @15 Ω or @40 Ω

Peak Short Circuit Current

OCV÷15 with 0 ohm eff.imped., OCV ÷40 with 25 ohm eff. Imped.  Tolerance -0/+10%

Repetition Rate

3 impulse per min @ 6kV


11 kg, 25 pounds


21x21x52 cm, 8x8x20 inches

ECAT Series

Common Modules


ECAT Series Full Accessory
Item Capabilities
ECAT Model E411 EFT/Noise Burst simulator for testing in accordance with IEC 61000-4-4 Edition 2 to 4.4kV
ECAT Model E412 EFT/Noise Burst simulator with built-in, single phase AC mains coupler/decoupler for testing in accordance with IEC 61000-4-4 Edition 2 to 4.4kV. Model E412 features all specifications and options noted in Model E411 (above), as well as the following:
ECAT Model E421 FT/Noise™ Burst Simulator for IEC 61000-4-4 Edition 2 to 8 k
ECAT Model E501B Plug-in combination wave surge simulator to produce the combination waves required by IEC 6100-4-5, ANSI/IEEE C62.41 Cat. B and UL 1449 at 3kA
ECAT Model E502B Plug-in module to produce the telecommunications surge wave required by IEC 61000-4-5, FCC Part 68 and ITU Rec K.17, K.20, and K.21 (formerly CCITT
ECAT Model E503 Plug-in module to produce the ring waves specified by ANSI/IEEE C62.41 Cat. A and B, and various UL standards, including UL 864
ECAT Model E504A Plug-in module to produce the combination wave required by UL 1449 (some devices must also be tested using the E501A surge module)
ECAT Model E505A Plug-in module that produces the lightning surge waveforms required by FCC Part 68
ECAT Model E506-4W Plug-in module to produce the 2/10 µs surges required by Telcordia GR-1089 CORE for up to five-wire (four terminal) testing
ECAT Model E508 and E508-12P Plug-in modules to produce the 10/360 µs surges required by Telcordia GR-1089 CORE
ECAT Model E510A Plug-in module to produce combination wave specified by ANSI/IEEE C62.41 Cat. B and IEC 61000 4-5 to 10kV and 5kA
ECAT Model E511 Plug-in module to provide combination waves to 6 kV and 5 kA, as required by British Telecom standards
ECAT Model E513 Plug-in module to produce voltage ramps for testing surge protection components such as gas tube arrestors; meets surge simulator requirements of UL 864
ECAT Model E514 Surge simulator for 10/1000 µs current waves
ECAT Model E515 Module to produce the 10/250 µs surges required by Telcordia GR-1089-CORE
ECAT Model E518 Plug-in module to produce the 10/1000µs waveforms to 2kV as required by Telcordia GR-1089-CORE for both Lightning Surge and Protection Coordination. Includes HB-ECAT
ECAT Models E521 and E522 Surge systems that produce the high voltage, high current combination waves required by ANSI standards for service entrance and outside connected electronics; meets requirements of IEC 61000-4-5 for all exposure categories. ECAT Model E521 includes built-in AC coupler/decoupler for singlephase lines to 480V, 32A; ECAT Model E522 includes built-in AC coupler/decoupler for three-phase lines to 480V, 32A/phase (actual AC mains current per AC line connector limits).
ECAT Model E551 A single-phase AC line (power lines) coupler/decoupler for surge waves, as specified by IEC 61000-4-5
ECAT Models EP61 and EP62 Plug-in modules provide swells, dips and interrupts on AC power mains in compliance with, and exceeding the requirements of IEC 61000-4-11 Edition 2. Model EP61 for single-phase AC lines to 240 RMS, 16A; Model EP62 for single-phase AC lines to 240 RMS, 32A
ECAT Model E455x Single and three-phase AC line coupler/decouplers for EFT and Surge waves, as specified by IEC 61000-4-4 Edition 2 and IEC 61000-4-5


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