Products Description
The Allen-Bradley 1771-WHFB Fused Wiring Arm is an important component of the 1771 series PLC-5 I/O system, primarily used to provide a safe and reliable field wiring interface for I/O modules. This arm integrates fuse protection, effectively cutting off the circuit in the event of an electrical fault, reducing the risk of damage to I/O modules and field devices.
Specifications
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Part number |
1771-WHFB |
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Product Type |
Fused Wiring Arm |
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Catalog Number |
1771-WHF (3 A) and 1771-WHFB (1.5 A) |
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Dimensions |
8.265H x 1.224W x 2.0D (inches) 209H x 31W x 51D (millimeters) |
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Conductors |
Wire Size - 14…20 AWG (2.5mm2 …0.5mm2 ), copper only stranded or solid, rated at 75 o C or higher, 3/64 inch (1.22mm) insulation Category - Refer to specific module installation instructions |
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Fuses |
1771-WHF - Littelfuse 2AG 3 A Part No. 225003 1771-WHFB - Littelfuse 2AG 1.5 A Part No. 22501.5 |
|
Optional Fuse Pak |
1771-WHF - Cat. No. 1771-FD: contains 2 fuse holders and 8 2AG 3 A fuses 1771-WHFB - Cat. No. 1771-FD2: contains 2 fuse holders and 8 2AG 1.5 A fuses |
Contact us
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Sales: |
Email: |
Whatsapp: |
|
Winnie |
Inquiry For & More Series
1) TRICONEX(3008,3625,3805E.3721,3700A 4351B...)
2) BENTLY NEVADA(3500/42M ,3500/22M,3500/95.3500/05...)
3) HIMA(F3330,F3236 ,F6217,F7126,F8621A....)
4) FOXBORO(FBM203,FBM204,FBM217,FMB231...)
5) (1756,1785,1771,1746,1769..)
6) ABB (DSQC .....)
7) GE(IC693,IC697,IC695,IS200,DS200)
8) BACHMANN(CM202,DI232,MPC240,NT255,AIO288...)
9) ICS (T8403,T8431...)
FAQ
Q: What are the main functions of the 1771-WHFB?
A: The 1771-WHFB is a terminal block with fuse protection, used to provide a safe and standardized field interface for 1771 series I/O modules and to protect I/O circuits and devices in the event of overcurrent.
Q: Is this product a PLC or an I/O module?
A: No. The 1771-WHFB is not a PLC or I/O module itself, but rather an accessory for the 1771 series I/O modules in the PLC-5 system.
Q: Which modules can the 1771-WHFB be used with?
A: This terminal block is designed specifically for Allen-Bradley 1771 series I/O modules and is compatible with a variety of digital or analog modules. Specific compatibility depends on the module model.
Q: What is the purpose of the fuse function?
A: The built-in fuse can automatically cut off the circuit when a short circuit or overcurrent occurs, effectively preventing damage to I/O modules and field devices due to electrical faults.
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