Main Features

Manufacturer: Siemens (RBL by Siemens AG, Germany)
Model/MPN: RMG/M88.62C2 (also listed as RMG88.62C2)
Device Type: Microcontroller-based gas burner control box, C‑Series
Voltage & Frequency: 220–240 V AC, 50–60 Hz; power consumption approximately 20 VA; built-in T6.3A fuse
Safety Timer: TSA = 3 seconds (pre-purge and startup monitoring sequence)
Flame Supervision:
- Ionization or flame detector input (e.g., QRA…, AGQ2… modules) for gas-fired applications
- Supports modulating (multi-stage) gas burners per EN 676 and control standard EN 298
Functional Monitoring:
- Air-pressure sensor check during ignition and operation
- Undervoltage detection + automatic lockout after 24 h runtime
Reset Mechanism: Manual electrical reset via button; optional remote reset capability
Diagnostics:
- Multicolor LED display/backlit status button for normal operation and fault signaling
- Supports visual and software-based diagnostics, including pulse-code fault readout via reset button and optical port
Construction & Protection:
- IP20-rated plastic housing; protection class I; panel or boiler mounting via screws
- Compact form (~260 g) with 7-pin plug connector and cable grommet
Standards: Conforms to EN 298, EN 676; CE marked; built to TÜV/ISO standards for burner safety controllers

Siemens – RMG/M88.62C2 – C‑Series Gas Burner Control Box, 230 V AC, TSA = 3 s