Contact for Pricing
Overview
- 4-pole block-type design for 690V AC and 440V DC power circuits
- Electronic coil interface with universal 24-250V AC/DC control voltage range
- SEMI F47-0706 compliant for reliable operation during voltage dips and sags
- Built-in surge protection eliminates need for external suppressors
- Supports direct PLC control with 24V DC 500mA outputs
- Auxiliary contact blocks available front and side-mounted
- Mechanically-linked contacts compliant to IEC 60947-5-1 Annex L
- N.C. mirror contacts compliant to IEC 60947-4-1 Annex F
Specifications
Connection Type | Electronic coil interface |
Current Rating | 50 A |
Frequency | 50/60 Hz |
Mounting Type | Block type design |
Mounting Type | Block type, front and side-mounted auxiliary contact blocks |
Poles | 4 |
Rated Control Circuit Voltage | DC Operation 12 ... 20 V |
Series | AF |
Series | AF38Z |
Special Features | AF38Z 4-pole contactors are used for controlling power circuits up to 690 V AC and 440 V DC. They are mainly used for controlling non-inductive or slightly inductive loads (i.e. resistance furnaces...). AF..Z contactors include an electronic coil interface accepting a wide control voltage Uc min. ... Uc max. Only four coils cover control voltages between 24...250 V 50/60 Hz or 12...250 V DC. AF..Z contactors can manage large control voltage variations. One coil can be used for different control voltages used worldwide without any coil change. AF..Z contactors allow direct control by PLC-output ? 24 V DC 500 mA and obtain a reduced holding coil consumption. AF..Z contactors withstand short voltage dips and voltage sags (SEMI F47-0706 compliance) between 24...250 V 50/60 Hz AF..Z contactors have built-in surge protection and do not require additional surge suppressors The AF... series 4-pole contactors are of the block type design. - Main poles and auxiliary contact blocks: 4 N.O. main poles, front and side-mounted add-on auxiliary contact blocks. (mechanically-linked auxiliary contacts compliant with Annex L of IEC 60947-5-1. N.C. mirror contacts compliant with Annex F of IEC 60947-4-1) - Control circuit: DC operated for AF..Z-30-..-20 contactors. Only AF..Z-30-..-20 contactors need to respect the polarity on the coil terminals (A1+ and A2-). - Accessories: a wide range of accessories is available. |
Terminal Type | Screw Terminals |
Voltage Rating | 690 V AC / 440 V DC |
Package Dimensions (L x W x H) | 4.055 IN x 3.425 IN x 1.85 IN |
Package Dimensions (L x W x H) | 10.2997 cm x 8.6995 cm x 4.699 cm |
Package Weight (Imperial) | 0.940 L |
Package Weight (Metric) | 0.426 kg |
Frequently Asked Questions
Does the AF38Z contactor require external surge protection?
No, the AF38Z series includes built-in surge protection and does not require additional suppressors.
Does the AF38Z-30-..-20 require polarity on coil terminals?
Yes, the AF38Z-30-..-20 variants require correct polarity on coil terminals (A1+ and A2-).
What is the maximum control voltage range for the AF38Z contactor?
The control voltage range is 24V to 250V AC (50/60Hz) or 12V to 250V DC, covering global voltage standards without coil changes.
What are the auxiliary contact compliance standards?
Auxiliary contacts are compliant with IEC 60947-5-1 Annex L (mechanically-linked) and IEC 60947-4-1 Annex F (N.C. mirror contacts).
What is the rated operational current at ≤40°C for AC-1 loads?
The rated operational current is 50A for the AF38Z-40-00-20 variant at ≤40°C for AC-1 loads.
What is the general use rating for 600V AC?
The general use rating for 600V AC is 45A for standard variants and 55A for AF38-40-00-12 variants.
Is the AF38Z contactor compatible with PLC outputs?
Yes, the AF38Z series supports direct control by PLC outputs ≥24V DC at 500mA.
What is the rated operational power at 400V AC-3?
The rated operational power at 400V AC-3 is 18.5kW for the AF38Z series.
Frequently Asked Questions about ABB - Electrification
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