Contact for Pricing
Overview
- 3-pole contactor for railway rolling stock applications
- Rated operational current: 28 A at ≤40°C, 600 V AC general use rating
- Operating temperature: -40°C to +70°C, side-by-side mounting reduces width by 15%
- Compliant with IEC 60947-4-1, IEC 60947-5-1, IEC 60077-1/-2, EN 50155
- 68% less coil energy consumption, electronic coil interface for DC/AC control
- EN 45545-2 fire/smoke compliance (HL2/HL3), shock/vibration per IEC 61373 Cat.1 Class B
- 2 auxiliary contact blocks (2 NO + 2 NC), front/side mounting options
Specifications
Rated Control Circuit Voltage | 50 Hz /60 Hz 24 ... 60 V / DC Operation 20 ... 60 V |
Special Features | AF12ZB 3-pole contactors comply with the latest railway rolling stock standards and allow installation in passengers or driver cabins for trains frequently operating tunnels or undergrounds. They are mainly used for controlling 3-phase motors and power circuits up to 690 V AC and 220 V DC. Improve the compactness of the installations thanks to reduced dimension and side-by-side mounting requiring less 15% width (without spacing) from -40 °C up to +70 °C. Meet all main rollling stocks standards: IEC 60947-4-1, IEC 60947-5-1, IEC 60077-1/-2 and applicable parts of EN 50155 standards, shocks and vibration withstand conforming to IEC 61373 cat. 1, class B. Reach the highest levels in fire and smoke behaviour with compliance to European standard EN 45545-2 (HL2, HL3 hazard levels) in group mounting. Reduce train energy with lighter devices and requiring 68% less coil energy consumption in operation. Electronic coil interface handling large DC voltage fluctuation voltage, including several Uc DC control voltages used for battery supply and accepting sinusoïdal AC 50/60 Hz control supplies included inside Ucmin.... Ucmax voltage range. Max permitted AC 50/60 Hz control voltage must not be exceeded (see technical data). Wide range of auxiliary contact blocks for front and side mounting. |
Terminal Type | Screw Terminals |
Package Dimensions (L x W x H) | 3.11 IN x 3.425 IN x 1.85 IN |
Package Dimensions (L x W x H) | 7.8994 cm x 8.6995 cm x 4.699 cm |
Package Weight (Imperial) | 0.730 L |
Package Weight (Metric) | 0.331 kg |
Frequently Asked Questions
What are the operating temperature limits for the AF12ZB contactor?
The AF12ZB contactor operates reliably in extreme temperatures ranging from -40 °C to +70 °C.
Which railway standards does the AF12ZB contactor comply with?
The AF12ZB contactor complies with IEC 60947-4-1, IEC 60947-5-1, IEC 60077-1/-2, and applicable parts of EN 50155 standards.
What is the maximum AC voltage for power circuits controlled by this contactor?
This contactor is used for controlling power circuits up to 690 V AC.
What is the maximum DC voltage for power circuits controlled by this contactor?
This contactor is used for controlling power circuits up to 220 V DC.
Does the AF12ZB contactor meet fire and smoke safety standards for railways?
Yes, it meets the highest levels in fire and smoke behavior, complying with European standard EN 45545-2 (HL2, HL3 hazard levels) in group mounting.
What is the benefit of the electronic coil interface?
The electronic coil interface handles large DC voltage fluctuations and accepts sinusoidal AC 50/60 Hz control supplies within its voltage range.
How does the AF12ZB contactor contribute to energy efficiency?
It requires 68% less coil energy consumption in operation and is a lighter device, helping to reduce train energy.
What is the shock and vibration resistance rating of the AF12ZB contactor?
The contactor's shock and vibration withstand conforms to IEC 61373 cat. 1, class B.
Frequently Asked Questions about ABB - Electrification
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