Description 

The Siemens 3RB3036-1UB0 is a solid-state electronic overload relay from the SIRIUS series, engineered to protect three-phase motors against overloads, phase imbalances, and phase failures.

 

 

Technical Specifications 

Condition	New/Never Used Surplus
Brand	Siemens
Category	Relays
Part Number	3RB3036-1UB0
Subcategory	Solid State Overload Relays
Series	3RB
Amperage	12.5-50 Amps
Poles	3
Mounting Type	Panel
Frame Type	3RB
Protection	Solid State
Terminal Connection	Screw
Standards	RoHS
Temperature Rating	-25 to 60 °C
Dimensions	121,00 x 124,00 x 68,00 mm
Weight	0.405 kgs

  

 

Information About 3RB3036-1UB0

The Siemens 3RB3036-1UB0 is an electronic overload relay from the SIRIUS 3RB series, designed to protect three-phase motors against overloads, phase imbalances, and phase failures. It's suitable for applications with normal to heavy starting conditions, ensuring reliable motor protection in industrial settings.

Key Features:

• Current Range: Adjustable from 12.5 to 50 A

• Trip Class: Class 10E (trips within approximately 10 seconds under overload conditions)

• Mounting: Directly mounts onto SIRIUS contactors (e.g., 3RT2035-1A to 3RT2038-1A)

• Reset Options: Manual and automatic reset capabilities

• Auxiliary Contacts: Includes 1 Normally Open (NO) and 1 Normally Closed (NC) contact

• Main Circuit Connection: Screw terminals

• Control Voltage: Internally powered; no external control voltage required

• Protection Features: Phase loss detection, inverse-time delayed tripping

• Operating Temperature: -25°C to +60°C

• Certifications: Complies with ATEX directive 2014/34/EU for use in potentially explosive atmospheres

• Dimensions (W x H x D): Approximately 55 mm x 109 mm x 121 mm

• Weight: Approximately 0.405 kg

This relay is suitable for motor protection in various industrial applications, ensuring equipment safety and operational efficiency.