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Siemens 3RB3016-1NB0 Electronic Overload Relay - 0.32-1.25A

Siemens 3RB3016-1NB0 electronic overload relay for motor protection.

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ManufacturerSiemens

Part number3RB3016-1NB0

Type Electronic overload relay

Current range 0.32-1.25 A

Size S00

Trip Class 10E

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Electronic overload protection Adjustable current setting Class 10E trip Manual/automatic reset Screw terminals for main and aux circuits Suitable for S00 size

Product description

The Siemens 3RB3016-1NB0 is an electronic overload relay designed for motor protection. It offers adjustable current settings from 0.32 to 1.25 A with a Class 10E trip class, suitable for Size S00 applications. This relay features manual or automatic reset functionality and screw terminals for both main and auxiliary circuits.

This overload relay is essential for protecting electric motors against phase failures, overload, and unbalance. It is widely used in industrial automation, manufacturing, pump control, conveyor systems, and other applications where reliable motor protection is critical. Its electronic design provides precise and stable protection.

Stanlo Automation, a veteran-owned surplus distributor, provides access to the Siemens 3RB3016-1NB0. Sourcing from us ensures you receive a quality component for your automation projects, often at a competitive price, helping you maintain operational efficiency.

Technical specifications

Type	Electronic overload relay
Current range	0.32-1.25 A
Size	S00
Trip Class	10E
Reset	Manual/Automatic
Main circuit terminals	Screw
Auxiliary circuit terminals	Screw
Mounting	Contactor mounting

Common applications

Motor protection

Industrial automation

Pump control

Conveyor systems

HVAC systems

Machine tools

Compatible systems

Compatible with Siemens 3RT contactors of size S00.

Also known as

3RB30161NB0 Siemens motor overload 3RB3016 electronic

Replaces / compatible with

This relay is designed to protect motors when used in conjunction with Siemens contactors of the appropriate size. It replaces older thermal overload relays with enhanced electronic features.

Technical note

Expert tip

Requires a compatible Siemens contactor for direct mounting. Ensure the auxiliary contacts are wired correctly for remote reset and signaling.

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Frequently asked questions

What is the trip class and current range for the Siemens 3RB3016-1NB0 overload relay?

The Siemens 3RB3016-1NB0 features a Class 10E trip class, meaning it will trip within 10 seconds at 6 times the set current. Its adjustable current range is from 0.32 A to 1.25 A.