Products Specifications
The following I/O pack and terminal board combinations are approved for use in hazardous locations:
• Mark VIe Backup turbine protection I/O pack IS220PPROH1A with terminal boards (accessories) IS200SPROH1A, IS200SPROH2A, IS200TPROH1C, IS200TPROH2C, IS200TREAH1A, IS200TREAH3A
• Mark VIe Backup turbine protection I/O pack IS220PPROS1B with terminal boards (accessories) IS200SPROH1A, IS200SPROH2A, IS200TPROH1C, IS200TPROH2C, IS200TPROS1C, IS200TPROS2C, IS200TREAH1A, IS200TREAH3A
• Mark VIeS Backup turbine protection I/O pack IS220YPROS1A with terminal boards (accessories) IS200SPROS1A, IS200TPROS1C, IS200TPROS2C, IS200TREAS1A

The GE IS220PPROS1B is a dedicated Emergency Turbine Protection I/O Pack designed for GE Mark VIe and Mark VIeS control platforms. Its primary function is to interface critical field protection signals with the turbine protection logic, ensuring rapid and reliable response during abnormal or unsafe operating conditions.
Contact Information
Our address
32D floor, Guomao Building, No.388, Hubin South Road, Siming District, Xiamen
Phone Number(Wechat/Whatspp)
+ 86 18030132586
cn@mooreplc.com

Related GE Items

| Model | Certification / Remark |
|---|---|
| IS200SPROH1A | - |
| IS200SPROH2A | - |
| IS200TPROH1C | UL 207685 |
| IS200TPROH2C | - |
| IS200TPROS1C | - |
| IS200TPROS2C | - |
| IS200TREAH1A | - |
| IS200TREAH3A | - |
Long-Term Value for Turbine Safety Systems
The IS220PPROS1B supports long-term turbine operation by:
1. Preserving certified protection system architecture
2. Avoiding unnecessary system redesign
3. Supporting spare part continuity for Mark VIe platforms
4. Maintaining predictable and auditable protection behavior
5. This makes it a critical component for lifecycle management.
Recommendations
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| SPASO11 | 330180-50-05 |
| 3500/25 149369-01 | FAU810 |
| IC200ALG266 | 3300/45 |
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