Terminal Blocks

Terminal blocks are essential components used to safely and efficiently connect electrical conductors in control panels, industrial automation systems, and power distribution applications. By providing a secure termination point for field wiring, terminal blocks help organize complex wiring layouts while reducing the risk of loose connections, signal loss, or electrical faults. Their modular design supports clean, serviceable installations in control cabinets and junction boxes.

Available in multiple connection technologies, including screw, spring clamp, and push-in. terminal blocks can be selected to match installation preferences and application requirements. Screw terminal blocks offer a traditional, robust connection method, while spring and push-in styles support faster wiring with consistent contact pressure. Terminal blocks are designed to accommodate a wide range of wire sizes and conductor cross-sections, supporting both low-voltage signal wiring and high-current power applications. Terminal blocks are commonly mounted on DIN rails or fixed to mounting plates, allowing flexible configuration and easy expansion. While PCB terminal blocks and terminal block connectors are used to interface directly with circuit boards, traditional terminal blocks remain critical for field wiring and panel-level connections. RSP Supply carries terminal blocks from trusted manufacturers including Eaton, IDEC, Phoenix Contact, Schneider Electric, and Weidmüller to support reliable performance across industrial systems.

Found 279 items
Normally In Stock
Phoenix Contact 0921037 Fuse plug ST-SILED 24-UK 4
Free U.S Ground shipping
$19.70
$16.42
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Phoenix Contact 3046090 Fuse modular terminal block UT 4-HESILED 24 (5X20)
Free U.S Ground shipping
$10.43
$8.69
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Phoenix Contact 3046100 Fuse modular terminal block UT 4-HESILA 250 (5X20)
Free U.S Ground shipping
$10.67
$8.89
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Phoenix Contact 3118203 Fuse modular terminal block UK 6-FSI/C
Free U.S Ground shipping
$13.00
$10.83
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Phoenix Contact 3214368 Fuse modular terminal block UT 4-L/HESILA 250 (5X20)
Free U.S Ground shipping
$13.63
$11.36
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Phoenix Contact 3214325 Fuse modular terminal block UT 4-L/HESI (5X20)
Free U.S Ground shipping
$9.73
$8.11
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Phoenix Contact 3046032 Fuse modular terminal block UT 4-HESI (5X20)
Free U.S Ground shipping
$6.47
$5.39
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Phoenix Contact 3046430 Fuse modular terminal block UT 6-HESILA 250 (6,3X32)
Free U.S Ground shipping
$15.35
$12.79
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Phoenix Contact 0921053 Fuse plug ST-SILA250-UK 4
Free U.S Ground shipping
$14.44
$12.03
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Phoenix Contact 3036819 Fuse plug P-FU 5X20 LED 24
Free U.S Ground shipping
$12.67
$10.56
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Phoenix Contact 0921011 Fuse plug ST-SI-UK 4
Free U.S Ground shipping
$5.28
$4.40
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Phoenix Contact 3004171 Fuse modular terminal block UK 6,3-HESI
Free U.S Ground shipping
$15.44
$12.87
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Phoenix Contact 3036806 Fuse plug P-FU 5X20
Free U.S Ground shipping
$5.65
$4.71
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Phoenix Contact 3046414 Fuse modular terminal block UT 6-HESILED 24 (6,3X32)
Free U.S Ground shipping
$15.35
$12.79
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Phoenix Contact 3046537 Fuse modular terminal block UT 4-HESILED 24 (5X20) BU
Free U.S Ground shipping
$12.91
$10.76
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Phoenix Contact 3211886 Fuse modular terminal block PTTB 4-HESI (5X20)
Free U.S Ground shipping
$8.15
$6.79
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Phoenix Contact 3036372 Fuse modular terminal block ST 4-FSI/C
Free U.S Ground shipping
$8.20
$6.83
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Phoenix Contact 3036369 Fuse modular terminal block ST 4-HESI (5X20)
Free U.S Ground shipping
$9.24
$7.70
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Phoenix Contact 3046126 Fuse modular terminal block UT 4-HESILED 60 (5X20)
Free U.S Ground shipping
$10.43
$8.69
Normally In Stock
Phoenix Contact 3046401 Fuse modular terminal block UT 6-HESI (6,3X32)
Free U.S Ground shipping
$8.36
$6.97
Normally In Stock
Phoenix Contact 3036822 Fuse plug P-FU 5X20 LED 60
Free U.S Ground shipping
$12.67
$10.56
Normally In Stock
Phoenix Contact 3036835 Fuse plug P-FU 5X20 LA 250
Free U.S Ground shipping
$12.67
$10.56
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Phoenix Contact 2802329 Component connector ST-1N4007
Free U.S Ground shipping
$11.03
$9.19
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Phoenix Contact 3004100 Fuse modular terminal block UK 5-HESI
Free U.S Ground shipping
$12.42
$10.35
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Phoenix Contact 3073953 Fuse modular terminal block UK 10-DREHSI-EX (5X20)
Free U.S Ground shipping
$32.11
$26.76
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Phoenix Contact 0921024 Fuse plug ST-SILED 12-UK 4
Free U.S Ground shipping
$19.70
$16.42
Normally In Stock
Phoenix Contact 3036495 Fuse modular terminal block ST 4-FSI/C-LED 12
Free U.S Ground shipping
$20.27
$16.89
Normally In Stock
Phoenix Contact 3005154 Fuse modular terminal block UK 10-DREHSILED 60 (5X20)
Free U.S Ground shipping
$36.64
$30.53
Normally In Stock
Phoenix Contact 3002609 Fuse modular terminal block PT 4-L/HESILED 24 (5X20)
Free U.S Ground shipping
$20.63
$17.19
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Phoenix Contact 3048386 Fuse modular terminal block UK 10,3-HESI N
Free U.S Ground shipping
$20.09
$16.74
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Phoenix Contact 3211888 Fuse modular terminal block PTTB 4-HESILED 24 (5X20)
Free U.S Ground shipping
$19.68
$16.40
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Weidmuller 2466610000 Fuse Terminal Block
Free U.S Ground shipping
$10.48
$8.73
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Phoenix Contact 3270200 Fuse modular terminal block PTC 4-HESI (5X20)
Free U.S Ground shipping
$7.80
$6.50
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Phoenix Contact 3270197 Fuse modular terminal block PTC 4-HESILA 250 (5X20)
Free U.S Ground shipping
$18.53
$15.44
Normally In Stock
Phoenix Contact 3212172 Fuse modular terminal block PT 6-FSI/C-LED 24
Free U.S Ground shipping
$21.64
$18.03
Normally In Stock
Phoenix Contact 3038778 Fuse modular terminal block ST 4-HESILA 250 (6,3X32)
Free U.S Ground shipping
$18.79
$15.66
Normally In Stock
Phoenix Contact 3038765 Fuse modular terminal block ST 4-HESILED 24 (6,3X32)
Free U.S Ground shipping
$18.79
$15.66
Normally In Stock
Phoenix Contact 3036547 Fuse modular terminal block ST 4-HESILED 24 (5X20)
Free U.S Ground shipping
$16.30
$13.58
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Weidmuller 1616440000 Fuse Terminal Block
Free U.S Ground shipping
$30.64
$25.53
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Phoenix Contact 3036563 Fuse modular terminal block ST 4-HESILA 250 (5X20)
Free U.S Ground shipping
$16.30
$13.58
Normally In Stock
Phoenix Contact 3034248 Fuse modular terminal block DT 6/2,5-DREHSI (5X20)
Free U.S Ground shipping
$12.19
$10.16
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Weidmuller 2429860000 Fuse Terminal Block
Free U.S Ground shipping
$10.24
$8.53
Normally In Stock
Weidmuller 2466530000 Fuse Terminal Block
Free U.S Ground shipping
$5.65
$4.71
Normally In Stock
Phoenix Contact 3214367 Fuse modular terminal block UT 4-L/HESILED 60 (5X20)
Free U.S Ground shipping
$13.43
$11.19
Normally In Stock
Phoenix Contact 3211861 Fuse modular terminal block PT 4-HESI (5X20)
Free U.S Ground shipping
$7.56
$6.30

FAQs

Q: What are terminal blocks used for?
Terminal blocks are used to connect, organize, and manage electrical wires in control panels, automation systems, and power distribution equipment.

Q: What types of terminal block connection technologies are available?
Common connection types include screw clamp, spring clamp, and push-in terminal blocks, each offering different installation and performance benefits.

Q: Are terminal blocks suitable for high-current applications?
Yes, many terminal blocks are designed to handle high-current and power distribution applications, depending on their rating and construction.

Q: How are terminal blocks mounted?
Terminal blocks are typically mounted on DIN rails or secured to mounting plates inside control panels and junction boxes.

Q: Which manufacturers of terminal blocks does RSP Supply offer?
RSP Supply offers terminal blocks from trusted manufacturers including Eaton, IDEC, Phoenix Contact, Schneider Electric, and Weidmüller.

Why Buy Terminal Blocks from RSP Supply

RSP Supply offers a comprehensive selection of terminal blocks designed for secure, organized, and reliable wire connections in industrial systems. Our product lineup from leading manufacturers supports efficient panel design, long-term performance, and dependable operation across automation and distribution applications.