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Siemens GBB 136 1E 24V 20N/m Actuator + 2 Aux Switches

Siemens

Siemens GBB 136 1E 24V 20N/m Actuator + 2 Aux Switches

Siemens GBB 136 1E electric actuator, 24 V supply, 20 N/m torque, fitted with two auxiliary switches.

At a glance

  • Also known as 7550251
Manufacturer part no.
S55499-D815
Showing prices

£322.84

£269.03 ex. VAT · VAT at 20%

Available to order · 7 working days
Available to order · 7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Siemens GBB 136 1E is an electric actuator operating on a 24 V supply with a 20 N/m torque rating. It is fitted with two auxiliary switches for signalling within the control circuit. The unit provides motorised actuation as part of a heating or HVAC control installation.

Before you order

  • Confirm the existing actuator runs on a 24 V supply.
  • Check the torque required by the application against the 20 N/m rating.
  • Confirm that two auxiliary switches are needed for the control circuit.
  • Match the model reference GBB 136 1E and part number S55499-D815 against the unit being replaced.

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.