Allen-Bradley 193-ESM-IG-30A-E3T Electronic Soft Starter Module | E3T Series Platform
Engineering Background: The Allen-Bradley 193-ESM-IG-30A-E3T is a plug-in Electronic Soft Starter Module (ESM) designed for the E3 and E3 Plus Electronic Overload Relay platform. It enables smooth motor starting and stopping by ramping voltage up and down, eliminating mechanical shock and inrush current spikes that degrade motor windings and driven equipment over time.
Product Positioning: Targeted at procurement engineers and OEM panel builders who require a compact, DIN-rail-compatible soft-start solution within the Allen-Bradley E3T ecosystem. The 193-ESM-IG-30A-E3T integrates directly into existing E3 overload relay assemblies without additional wiring, reducing BOM complexity and panel footprint.
Complete Technical Specifications
- Part Number / SKU: 193-ESM-IG-30A-E3T
- Manufacturer: Allen-Bradley (Rockwell Automation)
- Series / Platform: E3T / E3 Plus Electronic Overload Relay
- Module Type: Electronic Soft Starter Module (ESM)
- Rated Current: 30 A
- Voltage Range: 200–480 V AC, 3-phase
- Starting Method: Voltage ramp (soft start / soft stop)
- Communication: Integrated (IG) — DeviceNet / EtherNet/IP via host E3 relay
- Mounting: Plug-in module to E3 / E3 Plus overload relay body
- Enclosure Rating: Open type (panel-mount)
- Operating Temperature: 0 °C to +55 °C
- Weight: Approx. 1.3 kg (packaged)
- Certifications: UL, CE, RoHS
- Country of Origin: United States
Proven Application Environments
- Conveyor and material handling systems requiring smooth belt acceleration
- Pump stations where water hammer on start/stop must be eliminated
- HVAC fan drives with high-inertia loads
- Compressor and blower applications in process industries
- OEM machine panels integrating Allen-Bradley E3 overload protection
- Retrofit upgrades replacing across-the-line starters in MCC buckets
Engineering Advantages
- Plug-in integration: Mounts directly to E3 / E3 Plus relay body — no additional wiring harness required.
- Inrush current reduction: Voltage ramp limits starting current to protect motor windings and upstream fusing.
- Soft stop capability: Controlled deceleration prevents mechanical shock on conveyors and pumps.
- Integrated communications (IG variant): Leverages host E3 relay’s DeviceNet or EtherNet/IP node for diagnostics and parameter access via Studio 5000 / RSLogix 5000.
- Compact footprint: Adds soft-start functionality without increasing panel width beyond the E3 relay envelope.
- Reduced mechanical wear: Lower peak torque on start extends coupling, gearbox, and belt service life.
System Architecture & Signal Flow
The 193-ESM-IG-30A-E3T plugs into the front face of a compatible Allen-Bradley E3 or E3 Plus Electronic Overload Relay. The host relay provides three-phase power monitoring, overload protection, and network communication. The ESM module intercepts the motor power path and applies a controlled voltage ramp on start command. During normal run, the module is bypassed internally for full-voltage efficiency. On stop command, a configurable ramp-down profile is applied before the contactor opens. All soft-start parameters (ramp time, initial voltage, kick-start boost) are accessible via the host relay’s DeviceNet or EtherNet/IP interface using Connected Components Workbench or Studio 5000.
Sourcing & Quality Verification
- Source: Authorized distribution channel and verified surplus inventory.
- Inspection: Each unit inspected for label integrity, date code, connector condition, and packaging authenticity before shipment.
- Traceability: Lot and date codes documented; available upon request for critical applications.
- Warranty: 12-month operational warranty against manufacturing defects.
- Counterfeit mitigation: All Allen-Bradley product sourced through traceable supply chains; holographic labels and Rockwell Automation authenticity features verified.
Procurement Process
- Confirm part number 193-ESM-IG-30A-E3T matches your E3 / E3 Plus relay frame size and current rating.
- Submit RFQ or place order directly via Konmask.com product page.
- Receive order confirmation and lead-time estimate within 1 business day.
- Unit ships with inspection report, original packaging (where available), and tracking number.
- Post-delivery technical support available via email or phone for installation and commissioning queries.
Technical FAQ
Q: Is the 193-ESM-IG-30A-E3T compatible with the E3 Plus relay?
A: Yes. The ESM module is compatible with both the E3 and E3 Plus Electronic Overload Relay platforms from Allen-Bradley.
Q: What is the difference between the IG and non-IG variants?
A: The “IG” designation indicates Integrated communications — the module communicates via the host E3 relay’s network port (DeviceNet or EtherNet/IP). Non-IG variants operate standalone without network diagnostics.
Q: Can this module be used for soft stop only, without soft start?
A: Yes. Soft start and soft stop functions are independently configurable via the host relay parameters.
Q: What contactor is recommended for use with this module?
A: Allen-Bradley 100-C series IEC contactors sized for 30 A motor load are the standard pairing within the E3T system architecture.
Q: Is a bypass contactor required during normal run?
A: The 193-ESM-IG-30A-E3T includes an internal bypass for full-voltage run mode; an external bypass contactor is not required for standard applications.
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