PRODUCT CATALOGUE 2025 | alre.de

HEATING TECHNOLOGY

ROOM TEMPERATURE CONTROLLER, MECHANICAL, RTBSB SURFACE-MOUNTED INSTALLATION – DESIGN BERLIN 2000

TYPE / IMAGE

ITEM NO.

FEATURES

CIRCUIT DIAGRAM

EURO / PG

General features: Scale: degrees Celsius; internal setting Operating voltage: 230 VAC, 50 Hz or 24 VAC, 50 Hz Ambient temperature: 10 to 60 °C Protection class: II, if properly mounted; with 24 V, protection class III Max. switching current: heating (terminal 3) 230 VAC 10 (4) A or 24 VAC 2 (2) A, cooling (terminal 1) 5 (2) A or 24 VAC 2 (2) A

RTBSB-001.948 / 1

MA012600

62.70 / I

Max. switching voltage: 230 VAC, 50 Hz Min. switching voltage: 24 VAC, 50 Hz

Switching power: terminal 3: 2300 W at 230 VAC, 48 W at 24 VAC, terminal 1: 1150 W at 230 VAC, 48 W at 24 VAC Switching contact: changeover switch (toggler, max. 10 actuators output terminal 3, max. 5 actuators output terminal 1) Output signal: switching (230 VAC, 50 Hz or 24 VAC, 50 Hz) Control function: heating or cooling Control range: 10 to 60 °C Hysteresis: approx. 1.5 K at a temperature change of max. 4 K / h

Accessories: terminal strips VOOxx, suitable valve actuators ZBOOA

You can find other / similar controllers with outputs for heating / cooling and noiseless controllers in the Air Conditioning Technology chapter (note: applies to KTRTB, for example)

ILLUSTRATIONS

RTBSB

RTBSB with switch

ACCESSORIES ITEM NO.

FEATURES

EURO / PG

ET-10

MA990002

Adjusting knob for B2000 series devices, multi-digit display 1 to 6, pure white glossy

3.40 / I

62

Catalogue 2025

Prices valid from 01.01.2025 – 31.12.2025, prices may be subject to change | V1

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