The Bitzer part number 34702701 corresponds to the SE-B2 Motor Protection Module, a robust safety device designed to protect compressors.
The Bitzer part number 34702701 corresponds to the SE-B2 Motor Protection Module, a robust safety device designed to protect compressors from overheating and electrical faults.
Key Features of SE-B2 (34702701)
Voltage Range: 115–240V AC, 50/60Hz
Sensor Support: Connects up to 9 PTC sensors (DIN 44081/082 compliant)
Protection Capabilities:
Monitors multiple temperature points simultaneously
Shuts down compressor if any sensor detects overheating
Lockout function prevents automatic restart until power is cycled
Relay Output: Potential-free changeover contact for safe switching
Reset Options:
Default: Manual reset by interrupting power
Optional: Auto-reset by removing bridge between terminals B1–B2
