1. Automation/Motion Controls For Sale
  2. sku: 15799350876312773
  3. SIEMENS 3RT1016-BB42

SIEMENS 3RT1016-BB42 Contactor 3P

3rt1016-bb42 Siemens Contactor 3p

( Brand: Siemens ), ( Manufacturer Part Number: 3RT1016-BB42 ), ( Part Type: Contactor ), ( Country Of Origin: United States )

Review SIEMENS Contactor 3p

The **Siemens 3RT1016-BB42** is a high-performance, three-phase AC contactor designed for reliable and efficient control in industrial, commercial, and residential electrical applications. Part of Siemens robust **3RT series**, this contactor is engineered to deliver exceptional durability, precision, and safety in motor starting, switching, and protection circuits. With a **16-ampere (A) rated current** and a **250-volt (V) AC operating voltage**, it is well-suited for controlling three-phase motors, heaters, and other inductive loads up to its specified capacity. The **BB42** designation indicates a compact, modular design that integrates seamlessly into Siemens **3RT10** series control panels, offering flexibility for customizable wiring and mounting configurations. Constructed with **high-quality copper alloy contacts**, this contactor ensures low contact resistance and minimal arcing, reducing wear and extending operational lifespan. Its **magnetic coil** operates with a **24-240V AC or 24-110V DC** control voltage, providing versatility for integration with various control systems, including PLCs, relays, and push-button stations. The **auxiliary contacts** (if applicable in the specific variant) allow for additional control and monitoring functions, such as overload protection signaling or auxiliary switching. Siemens **arc suppression technology** minimizes contact erosion during switching, enhancing reliability in frequent on/off cycles, while the **thermal overload protection** (available as an optional accessory) prevents motor burnout by disconnecting the circuit in case of excessive current. The contactor s **compact yet sturdy construction** ensures easy installation in control panels, enclosures, or direct mounting on DIN rails, making it ideal for space-conscious applications. With **IP20 protection rating**, it is designed for indoor use, though additional sealing may be required for harsh environments. Siemens commitment to **energy efficiency** and **low electromagnetic interference (EMI)** ensures smooth operation without disrupting nearby electronic devices. Whether used in **HVAC systems, conveyor belts, pumps, or machinery automation**, the **3RT1016-BB42** delivers dependable performance, precise control, and long-term reliability, making it a trusted choice for electrical engineers and technicians seeking a balance of performance and cost-effectiveness.

### Pros and Cons of buying a Siemens 3RT1010-BB42 Contactor (3-Phase)

#### **Pros:**

1. **Reliability and Quality** Siemens is a well-established brand known for manufacturing high-quality industrial components. The 3RT1010 series is designed for durability and long-term performance, making it suitable for demanding applications.

2. **Wide Voltage and Current Ratings** This contactor supports a broad range of voltages (up to 690V AC) and currents (up to 10A per pole), making it versatile for various industrial and commercial applications, including motor control, heating systems, and lighting circuits.

3. **Compact and Space-Efficient Design** The BB42 mounting style (busbar terminal) allows for easy installation in tight spaces, which is beneficial in applications where panel space is limited.

4. **Low Operating Voltage (12V 250V AC/DC)** The low coil voltage options (including 12V, 24V, and 110V) make it compatible with a wide range of control systems, reducing the need for additional voltage conversion.

5. **Arc Suppression** Siemens contactors are designed with arc suppression features to extend the life of the contacts and reduce wear, which is particularly useful in frequent on/off applications.

6. **Compatibility with Siemens Control Systems** If you are already using Siemens PLCs, relays, or other automation equipment, this contactor integrates seamlessly, simplifying system design and maintenance.

7. **Easy Maintenance** The design allows for straightforward inspection and replacement of contacts, reducing downtime during servicing.

8. **Global Availability and Support** Siemens has a strong global distribution network, ensuring easy access to spare parts, documentation, and technical support.

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#### **Cons:**

1. **Higher Upfront Cost** Compared to some generic or lesser-known brands, Siemens contactors are generally more expensive. This may be a significant consideration for budget-sensitive projects.

2. **Potential Overkill for Small Applications** If the application requires only minimal current or voltage (e.g., very low-power control), a more basic or lower-rated contactor might suffice, making this model unnecessarily expensive.

3. **Limited Overload Protection** This contactor does not include built-in overload protection (unlike some motor starters). You would need to pair it with a separate overload relay for motor applications, adding complexity and cost.

4. **Specialized Terminals (BB42)** The busbar terminals (BB42) may require additional wiring effort compared to screw terminals, which could be less convenient for quick installations or modifications.

5. **Compatibility Issues with Non-Siemens Systems** While versatile, integrating this contactor with non-Siemens control systems (e.g., Allen-Bradley, Schneider) may require additional adapters or compatibility checks.

6. **Sourcing Dependence** As Siemens is a premium brand, availability may vary in certain regions or markets, potentially leading to longer lead times for urgent orders.

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### **Conclusion:**

The Siemens 3RT1010-BB42 contactor is an excellent choice for applications requiring reliability, versatility, and compatibility with Siemens automation systems. Its robust construction, wide voltage/current range, and low coil voltage options make it ideal for industrial motor control, heating systems, and other high-demand applications. However, its higher cost and potential over-specification for smaller tasks may not justify the investment in less critical or budget-constrained projects.

For users already invested in Siemens infrastructure or those prioritizing longevity and performance, this contactor is a strong recommendation. For simpler or cost-sensitive applications, evaluating alternatives (e.g., lower-cost generic contactors or motor starters with built-in overload protection) may be more practical.

### **Recommendation:** - **Buy the Siemens 3RT1010-BB42 if:**

- You need a reliable, high-performance contactor for industrial or commercial applications.

- You are using or planning to integrate with Siemens control systems.

- Your application requires frequent cycling or high current/voltage handling.

- Long-term maintenance and support are priorities.

- **Consider alternatives if:**

- Your budget is limited, and a lower-cost contactor meets your requirements.

- The application is simple (e.g., low-power lighting or small motor control), where a basic contactor would suffice.

- You require built-in overload protection, necessitating a motor starter instead of a standalone contactor.

Details:

3RT1016-BB42: USED IN GOOD WORKING CONDITION. Bin # PPTC3B ML. CONTACTOR, 3 POLE.

part #: 3rt1016bb42 prices

  • $35.00-$250.00

specifications automationjack:

  • brand: Siemens
  • mpn: 3rt1016-bb42
  • part type: Contactor
  • country of origin: United States

seller automationjack:

  • # reviews: 7587
  • rating: 100.0%
  • city: Greenville, South Carolina

general automationjack:

  • Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment
  • condition: Used

returns automationjack:

  • method: Money back
  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer

offer automationjack:

  • sold: 0
  • started: May 26, 2026
  • options: Ship-to-home
  • availability: In Stock
  • best offers: True
  • quantity: 1

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shipping automationjack:

  • class: Economy
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  • transit: 4-8 Days
  • cost: $0.00
  • service: Economy
part type: contactor, country of origin: united states,
category: business & industrial > industrial automation motion controls > automation equipment, sku: 15799350876312773,
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