Product details
Product Overview
- 3RT6015-1BB42 is a SIRIUS contactor from Siemens.
- It runs on 24 V DC and handles 3 kW at 400 V (AC-3).
- This 3-pole device has 1 NC auxiliary contact.
- Size S00 with screw terminals for easy wiring.
- Designed for motor control in industrial automation.
Technical Specifications
- Brand: Siemens
- Model: 3RT6015-1BB42
- Series: SIRIUS 3RT6
- Type: Contactor
- Size: S00
- Coil Voltage: 24 V DC
- AC-3 Power: 3 kW (400 V)
- Main Contacts: 3 NO
- Auxiliary Contacts: 1 NC
- Rated Insulation Voltage: 690 V
- Impulse Voltage: 6 kV
- Pollution Degree: 3
- Mechanical Life: 30 million cycles
- Electrical Life (AC-3): 10 million cycles
- Operating Temp: -25°C to +60°C
- Storage Temp: -55°C to +80°C
- Protection Class: IP20
- Weight: 0.28 kg
Performance Data
- AC-1 Current: 18 A (40°C), 16 A (60°C)
- AC-3 Current: 7 A (400 V), 4.9 A (690 V)
- AC-4 Current: 2.6 A (400 V), 1.8 A (690 V)
- AC-3 Power: 1.5 kW (230 V), 3 kW (400 V), 4 kW (690 V)
- Coil Power: 4 W (start and hold)
- Switching Frequency: 750/h (AC-3), 250/h (AC-4)
Compatible Devices & Applications
- Works with motors, heating loads, and lighting.
- Ideal for conveyor belts, pumps, and fans.
- Used in machine tools, packaging, and HVAC systems.
- Fits control panels and motor starters.
Installation & Mounting
- Mount on 35mm DIN rail or use screw fixing.
- Install vertically or tilted ±22.5°.
- Allow 0mm side clearance for side-by-side mounting.
- Use screw terminals for main and auxiliary circuits.
- Wire size: 2.5 mm² minimum (AC-1, 40°C).
Short-Circuit Protection
- Type 1 coordination: 35 A gL/gG fuse.
- Type 2 coordination: 20 A gL/gG fuse.
- Auxiliary circuit: 10 A gL/gG fuse.
Shipping & Warranty
- 12-month warranty against defects.
- Dispatch within 12–24 hours after order.
- Shipped via FedEx, UPS, or DHL with tracking.
Comparison with Similar Models
- 3RT6015-1BB41 – 110 V DC coil version.
- 3RT6015-1AB42 – 24 V AC coil version.
- 3RT6025-1BB42 – higher current rating (S0 size).
- 3RT6015-1BB42 – this model, 24 V DC.
Expert Review
- “The 3RT6015-1BB42 is a solid contactor for motor control. Its 24 V DC coil is common in modern PLC systems. The S00 size saves panel space, and the 30 million mechanical cycles ensure long-term reliability. A dependable choice for automation.”
- – Senior Controls Engineer
Manager’s Insight
- “We recommend this contactor for its proven performance and quick delivery. The 12-month warranty and 24h shipping give our customers confidence. It’s a top-selling item for motor starters and retrofit projects.”
- – Product Manager, Powergear X
Frequently Asked Questions (FAQ)
- Q: Can I use this contactor with AC loads?
- A: Yes, it is designed for AC-1, AC-3, and AC-4 applications.
- Q: What is the difference between AC-1 and AC-3?
- A: AC-1 is for resistive loads (heating). AC-3 is for motor starting.
- Q: Is this contactor suitable for frequent switching?
- A: Yes, up to 750 operations per hour in AC-3 duty.
- Q: Can I mount it side-by-side with other devices?
- A: Yes, 0mm side clearance is allowed for S00 size.
- Q: What is the coil power consumption?
- A: It uses 4 W for both start and hold operations.
- Q: Does it have a mirror contact?
- A: Yes, it features a mirror contact per IEC 60947-4-1.
- Q: What if the contactor fails within 12 months?
- A: Contact us for a warranty replacement – we cover defects.
Selection Guide
- Choose 3RT6015-1BB42 for 3 kW motor control at 400 V.
- Use AC-1 rating for resistive loads up to 18 A.
- Select AC-3 for standard motor starting applications.
- For higher currents, consider S0 or S2 size contactors.
- Always check coil voltage and auxiliary contacts needed.
Contact Information
- Sales Inquiries: sales@powergearx.com
- Phone / WhatsApp: +86 18030005825
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Original Source: https://www.powergearx.com/
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