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 101 items
Normally In Stock
Weidmuller 1720830000 Installation Terminal Block
Free U.S Ground shipping
$9.38
$7.82
Normally In Stock
Phoenix Contact 3074088 Installation terminal block UTI 35
Free U.S Ground shipping
$11.10
$9.25
Normally In Stock
Phoenix Contact 0404033 Connection terminal block AK 16
Free U.S Ground shipping
$1.67
$1.39
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Phoenix Contact 3062964 Connection terminal block AKG 16 GN
Free U.S Ground shipping
$2.24
$1.87
Normally In Stock
Phoenix Contact 3076031 Installation level terminal block UTI 2,5-L/L
Free U.S Ground shipping
$4.54
$3.78
Normally In Stock
Phoenix Contact 3062935 Connection terminal block AKG 4 GN
Free U.S Ground shipping
$1.27
$1.06
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Phoenix Contact 0421032 Connection terminal block AKG 4 BK
Free U.S Ground shipping
$1.97
$1.64
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Phoenix Contact 0421058 Connection terminal block AKG 4 BK-EX
Free U.S Ground shipping
$3.70
$3.08
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Phoenix Contact 0421061 Connection terminal block AKG 4 BU-EX
Free U.S Ground shipping
$3.01
$2.51
Normally In Stock
Phoenix Contact 0423014 Connection terminal block AKG 16 BU
Free U.S Ground shipping
$2.82
$2.35
Normally In Stock
Phoenix Contact 0423030 Connection terminal block AKG 16 BK
Free U.S Ground shipping
$3.32
$2.77
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Phoenix Contact 0423043 Connection terminal block AKG 16 GY
Free U.S Ground shipping
$2.21
$1.84
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Phoenix Contact 0424013 Connection terminal block AKG 35 BU
Free U.S Ground shipping
$4.42
$3.68
Normally In Stock
Phoenix Contact 3062993 Connection terminal block AKG 35 GN
Free U.S Ground shipping
$3.53
$2.94
Normally In Stock
Phoenix Contact 0424039 Connection terminal block AKG 35 BK
Free U.S Ground shipping
$4.57
$3.81
Normally In Stock
Phoenix Contact 3213961 Installation level terminal block PTI 2,5-L/TG
Free U.S Ground shipping
$7.15
$5.96
Normally In Stock
Phoenix Contact 3213958 Installation level terminal block PTI 2,5-L/LTB
Free U.S Ground shipping
$10.14
$8.45
Normally In Stock
Phoenix Contact 3213968 Installation terminal block PTI 2,5
Free U.S Ground shipping
$2.16
$1.80
Normally In Stock
Phoenix Contact 3213969 Installation terminal block PTI 2,5 BU
Free U.S Ground shipping
$2.16
$1.80
Normally In Stock
Phoenix Contact 3213970 Installation terminal block PTI 4
Free U.S Ground shipping
$2.29
$1.91
Normally In Stock
Phoenix Contact 3213971 Installation terminal block PTI 4 BU
Free U.S Ground shipping
$2.29
$1.91
Normally In Stock
Phoenix Contact 3213972 Installation terminal block PTI 6
Free U.S Ground shipping
$4.04
$3.37
Normally In Stock
Phoenix Contact 3213973 Installation terminal block PTI 6 BU
Free U.S Ground shipping
$4.08
$3.40
Normally In Stock
Phoenix Contact 3214029 Installation terminal block PTI 16/S
Free U.S Ground shipping
$5.65
$4.71
Normally In Stock
Phoenix Contact 3214023 Installation terminal block PTI 16/S BU
Free U.S Ground shipping
$5.65
$4.71
Normally In Stock
Phoenix Contact 3213954 Installation level terminal block PTI 2,5-L/N
Free U.S Ground shipping
$5.34
$4.45
Normally In Stock
Phoenix Contact 3213951 Installation level terminal block PTI 2,5-L
Free U.S Ground shipping
$1.92
$1.60
Normally In Stock
Phoenix Contact 3213952 Installation terminal block PTI 2,5-N
Free U.S Ground shipping
$1.99
$1.66
Normally In Stock
Phoenix Contact 3213956 Installation level terminal block PTI 2,5-L/NTB
Free U.S Ground shipping
$10.72
$8.93
Normally In Stock
Phoenix Contact 1030131 Installation terminal block PTI 16-NLS-FI BU
Free U.S Ground shipping
$8.98
$7.48
Normally In Stock
Phoenix Contact 1030130 Installation terminal block PTI 16-NLS-FI
Free U.S Ground shipping
$8.70
$7.25
Normally In Stock
Phoenix Contact 1030135 Installation terminal block PTI 16-NLS-FI-FE
Free U.S Ground shipping
$8.70
$7.25
Normally In Stock
Phoenix Contact 3062922 Connection terminal block AKG 4 RD
Free U.S Ground shipping
$1.27
$1.06
Normally In Stock
Phoenix Contact 3062948 Connection terminal block AKG 4 YE
Free U.S Ground shipping
$2.24
$1.87
Normally In Stock
Phoenix Contact 3076035 Installation level terminal block UTI 2,5-L/N
Free U.S Ground shipping
$4.54
$3.78
Normally In Stock
Phoenix Contact 3076034 Installation level terminal block UTI 2,5-L
Free U.S Ground shipping
$2.90
$2.42
Normally In Stock
Phoenix Contact 3076033 Installation level terminal block UTI 2,5-L/LB
Free U.S Ground shipping
$5.59
$4.66
Normally In Stock
Phoenix Contact 3076023 Installation level terminal block UTI 2,5-L/LTB
Free U.S Ground shipping
$5.05
$4.21
Normally In Stock
Phoenix Contact 3076042 Installation level terminal block UTI 6-L/L
Free U.S Ground shipping
$3.84
$3.20
Normally In Stock
Phoenix Contact 3006153 Installation terminal block UIK 16
Free U.S Ground shipping
$8.57
$7.14
Normally In Stock
Phoenix Contact 3006205 Installation terminal block UIK 16 BU
Free U.S Ground shipping
$19.55
$16.29
Normally In Stock
Phoenix Contact 3006182 Installation terminal block UIK 35
Free U.S Ground shipping
$22.98
$19.15
Normally In Stock
Phoenix Contact 3006302 Installation terminal block UIK 35 BU
Free U.S Ground shipping
$22.09
$18.41
Normally In Stock
Phoenix Contact 3245011 N disconnect terminal block UTN 2,5
Free U.S Ground shipping
$4.34
$3.62
Normally In Stock
Phoenix Contact 3245024 N disconnect terminal block UTN 4
Free U.S Ground shipping
$4.46
$3.72
Normally In Stock
Phoenix Contact 3245040 N disconnect terminal block UTN 10
Free U.S Ground shipping
$4.78
$3.98
Normally In Stock
Phoenix Contact 3245066 N disconnect terminal block UTN 35
Free U.S Ground shipping
$12.00
$10.00

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.