Shelly Pro 3CB C32A

Physical

Size (HxWxD):

• 93x36x74 mm / 3.66x1.42x2.91 in (Shelly Pro 1CB)

• 93x54x76 mm / 3.66x2.13x3.00 in (Shelly Pro 2CB)

• 93x72x76 mm / 3.66x2.83x3.00 in (Shelly Pro 3CB)

• 93x90x76 mm / 3.66x3.54x3.00 in (Shelly Pro 4CB)

Weight:

• 212 g / 7.5 oz (Shelly Pro 1CB)

• 335 g / 11.8 oz (Shelly Pro 2CB)

• 465 g / 16.4 oz (Shelly Pro 3CB)

• 575 g / 20.3 oz (Shelly Pro 4CB)

Screw terminals max torque:

2.5 Nm / 22 lbin

Conductor cross section:

• Max. 6 mm² / 10 AWG (Solid)

• Max. 25 mm² / 3 AWG (Stranded)

• Max. 16 mm² / 5 AWG (Flexible)

Conductor stripped length:

15 mm / 0.6 in

Mounting:

DIN rail

Shell material:

Plastic

Shell color:

RAL 7035 (Light gray)

Environmental

Ambient working temperature:

-5°C to 40°C / 23°F to 105°F

Humidity:

30% to 70% RH

Max. altitude:

2000 m / 6562 ft

Pollution degree:

2

Electrical

Power supply:

230 V~ 50 Hz

Power consumption:

< 3 W

Poles:

1, 2, 3, or 4

Circuit breaker tripping curve:

B, C

Circuit breaker rated current:

10 A, 16 A, 25 A, 32 A, 40 A, 63 A

Short circuit breaking capacity:

6 kA

Energy limiting class:

3

Min. operating voltage:

160 V~ 50 Hz

Insulation voltage:

500 V

Rated impulse withstand voltage:

4 kV

Applicable standards:

IEC 60898-1

Power loss:

• 1.13 W (Shelly Pro 1CB C10)

• 2.00 W (Shelly Pro 1CB C16)

• 1.85 W (Shelly Pro 1CB C25)

• 2.10 W (Shelly Pro 1CB C32)

• 2.76 W (Shelly Pro 1CB C40)

• 5.60 W (Shelly Pro 1CB C63)

• 2.26 W (Shelly Pro 2CB C10)

• 4.00 W (Shelly Pro 2CB C16)

• 3.70 W (Shelly Pro 2CB C25)

• 4.20 W (Shelly Pro 2CB C32)

• 5.52 W (Shelly Pro 2CB C40)

• 11.20 W (Shelly Pro 2CB C63)

• 3.39 W (Shelly Pro 3CB C10)

• 6.00 W (Shelly Pro 3CB C16)

• 5.55 W (Shelly Pro 3CB C25)

• 6.30 W (Shelly Pro 3CB C32)

• 8.28 W (Shelly Pro 3CB C40)

• 16.80 W (Shelly Pro 3CB C64)

• 4.52 W (Shelly Pro 4CB C10)

• 8.00 W (Shelly Pro 4CB C16)

• 7.40 W (Shelly Pro 4CB C25)

• 8.40 W (Shelly Pro 4CB C32)

• 11.00 W (Shelly Pro 4CB C40)

• 22.40 W (Shelly Pro 4CB C63)

Endurance

Electrical:

> 6000 cycles

Mechanical:

• > 20000 cycles (Shelly Pro 1CB, Shelly Pro 2CB)

• > 10000 cycles (Shelly Pro 3CB, Shelly Pro 4CB)

Remote toggles:

< 1/min

Sensors, meters

Voltmeter (AC):

Yes

Voltmeter accuracy:

±5 %

Internal-temperature sensor:

Yes

Radio

Wi-Fi

Protocol:

802.11 b/g/n

RF band:

2412 - 2483 МHz

Max. RF power:

< 20 dBm

Range:

Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
(Depends on local conditions)

Bluetooth

Protocol:

4.2

RF band:

2402 - 2480 MHz

Max. RF power:

< 4 dBm

Range:

Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
(Depends on local conditions)

Microcontroller unit

CPU:

ESP32-D0WDQ6

Flash:

8 MB

Firmware capabilities

Event logging:

100 events

Data export:

• CSV for PQ recorded values

• JSON format export through RPC

Schedules:

Yes

Webhooks (URL actions):

20 with 5 URLs per hook…

Wi-Fi range extender:

Yes

BLE Gateway:

Yes

Scripting:

Yes

MQTT:

Yes

Encryption:

Yes