Pump control panel Q-B2S series

power2-channelelectric

Product family
Inverter and electric control panel (star-delta starter dedicated to pump applications).

Overview
STAR‑DELTA START CONTROL PANEL Q-B2S designed for pump control and motor protection. Includes start/stop logic, protection devices, visual indicators and measurement instruments for operation and diagnostics.

Main features

• Supply: 3~ 50/60 Hz 400V ±10%
• Auxiliary transformer: 24 Vac for control circuits
• Control and auxiliary circuits in low voltage
• Blue LED indicating mains presence
• Fuses for auxiliaries and motor protection
• Main switch with door interlock
• Enclosure: ABS up to 11 kW, metallic box from 15 kW, protection class IP55
• Ambient temperature: -5 °C to +40 °C
• Relative humidity: up to 50% at 40 °C (non‑condensing)
• 2 Normally open inputs for start command
• 2 Normally open inputs for minimum level/pressure command
• 2 Selectors for Auto-0-Manual operation (stable):
  • Manual: direct operation without external controls
  • Automatic: operation controlled by min input and start input
• 2 Green LEDs indicating motor running
• 2 Red LEDs indicating motor overload
• 2 Line, star and delta contactors rated AC3
• 2 Overload thermal relays, internally resettable
• 2 Adjustable star/delta timers
• Voltmeter and ammeter
• Phase sequence and phase-loss control
• Wired exchanger for alternating two pumps

Associated documentation
Technical specification sheet available (product-specific PDF on original site; download subject to site permissions).

Characteristics / technical specifications

• Type: Star‑Delta control panel for pump starting
• Supply: 3~ 50/60 Hz 400V ±10%
• Auxiliary circuit: 24 Vac transformer
• Controls: low-voltage inputs for start and minimum level/pressure
• Modes: Manual and Automatic via Auto-0-Manual selectors
• Indicators: mains (blue), motor running (green), motor overload (red)
• Motor protection: fuses and resettable thermal overload relays
• Star/Delta starter: line, star and delta contactors (AC3) with adjustable timers
• Instrumentation: integrated voltmeter and ammeter
• Safety: phase sequence and phase-loss protection, main switch door interlock
• Pump function: wired exchanger for management of two pumps
• Enclosure: ABS (≤11 kW) or metallic (≥15 kW), IP55
• Operating range: -5 °C to +40 °C; humidity up to 50% at 40 °C (non‑condensing)