Capacitor/Overload Control Box for Grundfos Borehole Pumps

A basic submersible motor control box/capacitor to start a single phase 4” SP Grundfos borehole pump and protect it from thermal overload. Formerly known as SA-SPM7 and SA-SPM8.

Please note: This control box must be used with Grundfos SP single-phase submersible motors, otherwise the pumps 2 year guarantee will be invalid.

Starting at £204.48 £170.40

Grouped product items
Model Power SKU RRP Our Price (ex VAT)
Model: SA-CSIR Motor Control Box Power: 0.37 kW SKU: 3925-022 RRP: £213.00 Our Price:
£204.48 £170.40
Model: SA-CSIR Motor Control Box Power: 0.55 kW SKU: 3925-023 RRP: £246.00 Our Price:
£236.16 £196.80
Model: SA-CSIR Motor Control Box Power: 0.75 kW SKU: 3925-024 RRP: £284.00 Our Price:
£272.64 £227.20
Model: SA-CSCR Motor Control Box Power: 1.1 kW SKU: 3925-025 RRP: £379.00 Our Price:
£363.84 £303.20
Model: SA-CSCR Motor Control Box Power: 1.5 kW SKU: 3925-026 RRP: £474.00 Our Price:
£455.04 £379.20
Model: SA-CSCR Motor Control Box Power: 2.2 kW SKU: 3925-027 RRP: £545.00 Our Price:
£523.20 £436.00

A basic submersible motor control box/capacitor to start a single phase 4” SP Grundfos borehole pump and protect it from thermal overload. Designed as a borehole pump starter box, this unit comes in an IP55 rated thermoplastic enclosure with a single 230V power inlet.

Grundfos Borehole Pump Starter Box Specifications:
►Electro-mechanical submersible motor control box
►Formerly known as SA-SPM7 and SA-SPM8.
►For start-up and protection of a single phase 4” SP Grundfos borehole pump
► 0.37kW, 0.55kW & 0.75kW units contain Klixon relay, starting relay and a capacitor in a replaceable cartridge, which is plugged into an aluminium IP55 enclosure.
►1.1kW, 1.5kW & 2.2kW units contain two Klixon relays, starting relay and a starting capacitor in an aluminium IP55 enclosure.

Please note: This control box must be used with Grundfos SP single-phase submersible motors, otherwise the pumps 2 year guarantee will be invalid.

As a longstanding borehole pump controller supplier, Whisper Pumps are highly experienced in all models. If you are unsure on the control box you require, please contact our technical sales team today on 01777 871100 for free, expert advice.

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UK Delivery CostsDelivery Map

Zone 1 - England, Wales and Southern Scotland

Standard Delivery (3-5 working days) - Orders Under £100 - £7.50 / Over £100 - FREE

Express Delivery (1-2 working days) - £15

Premium Next Working Day (delivery before 13.00) - £26

Zone 2 - Scottish Highlands & Islands, Northern Ireland, Isle of Man, Scilly & Channel Isles

Standard Delivery (3-5 working days) - Orders Under £100 - £15 / Over £100 - FREE

Express Delivery (2-3 working days) - £15


Orders must be placed before 14.00 for express and premium next day delivery.

International Delivery

We offer a first class worldwide export service. Please contact us here for a price.

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