DIN Rail Terminal Blocks

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ENTRELEC SNK PI-Spring Terminal Blocks

TE Connectivity's (TE) ENTRELEC SNK PI-Spring Terminal Blocks can be used as a push-in or traditional spring connection. Push-in mode allows direct one-step insertion of solid flexible standard wires with a ferrule, which is 50% faster than standard screw clamp technology. Using the spring mode, a screwdriver easily opens the spring clamp for wire insertion with no ferrule required. The screwdriver locks in the terminal block after insertion. TE ENTRELEC SNK PI-Spring Terminal Blocks offer a 20% larger marking area improving circuit identification and an asymmetrical design allowing an immediate visual check in case of reversed terminal blocks. Connection capacity ranges from 0.2mm² to 25mm² (26AWG to 4AWG).

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Number of Positions	Pitch	Current Rating	Voltage Rating	Connection Method	Color	Housing Material	Mounting Style	Wire Gauge Min	Wire Gauge Max	Series
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-BL TE Connectivity / Entrelec 1: $2.039 2.500In Stock	Mfr. Part # ZK2.5-BL Mouser Part # 571-ZK2.5-BL	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	2.500In Stock	$2.039 $1.481 $1.287 $995 View $942 $852 $803 $711 $625	Min.: 1 Mult.: 1	Feed Through Terminal Block	1 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-SF-R1 TE Connectivity / Entrelec 1: $19.641 540In Stock	Mfr. Part # ZK2.5-SF-R1 Mouser Part # 571-ZK2.5-SF-R1	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	540In Stock	$19.641 $14.708 $13.067 $13.056 View $11.347 $10.185	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK6-BK TE Connectivity / Entrelec 1: $3.691 8.019In Stock	Mfr. Part # ZK6-BK Mouser Part # 571-ZK6-BK	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	8.019In Stock	$3.691 $2.643 $2.301 $1.515 View $1.367 $1.299 $1.242 $1.185	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	8 mm	50 A	600 V	Spring Cage	Black	Polyamide (PA)	DIN Rail	24 AWG	8 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-SF TE Connectivity / AMP 1: $8.704 413In Stock 100Expected 11/16/2026	Mfr. Part # ZK2.5-SF Mouser Part # 571-ZK2.5-SF	TE Connectivity / AMP	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / AMP te connectivity snk pi spring terminal blocks	Datasheet	413In Stock 100Expected 11/16/2026	$8.704 $6.357 $5.628 $4.876 View $4.398 $4.215 $3.987 $3.817 $3.737	Min.: 1 Mult.: 1	Disconnect Terminal Block		5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Pow SNK PI-Spring ZK16-3P-PV-BL TE Connectivity / Entrelec 1: $20.450 4In Stock	Mfr. Part # ZK16-3P-PV-BL Mouser Part # 571-ZK16-3P-PV-BL	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	4In Stock	$20.450 $14.400 $12.794 $11.883 View $11.119 $10.402 $9.957 $9.889	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	12 mm	75 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	20 AWG	4 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-4P TE Connectivity / Entrelec 1: $3.201 15.505In Stock 50On Order	Mfr. Part # ZK2.5-4P Mouser Part # 571-ZK2.5-4P	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	15.505In Stock 50On Order	$3.201 $2.370 $2.073 $1.868 View $1.709 $1.538 $1.447 $1.401 $1.276	Min.: 1 Mult.: 1	Feed Through Terminal Block	4 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-3P TE Connectivity / Entrelec 1: $2.484 1.797In Stock	Mfr. Part # ZK2.5-3P Mouser Part # 571-ZK2.5-3P	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	1.797In Stock	$2.484 $1.789 $1.561 $1.118 View $1.069 $926 $925	Min.: 1 Mult.: 1	Feed Through Terminal Block	3 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-PE-4P TE Connectivity / Entrelec 1: $9.217 601In Stock	Mfr. Part # ZK2.5-PE-4P Mouser Part # 571-ZK2.5-PE-4P	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	601In Stock	$9.217 $5.936 $5.412 $5.161 View $4.876 $4.409 $4.101 $4.079	Min.: 1 Mult.: 1	Feed Through Terminal Block	4 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-T3 TE Connectivity / Entrelec 1: $7.326 647In Stock	Mfr. Part # ZK2.5-T3 Mouser Part # 571-ZK2.5-T3	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	647In Stock	$7.326 $5.195 $4.557 $4.170 View $3.851 $3.520 $3.190	Min.: 1 Mult.: 1	Feed Through Terminal Block	6 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5 TE Connectivity / Entrelec 1: $2.039 2.766In Stock	Mfr. Part # ZK2.5 Mouser Part # 571-ZK2.5	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	2.766In Stock	$2.039 $1.481 $1.287 $1.151 View $1.056 $947 $881 $828	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Pow SNK PI-Spring ZK10 TE Connectivity / Entrelec 1: $3.896 55In Stock	Mfr. Part # ZK10 Mouser Part # 571-ZK10	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	55In Stock	$3.896 $2.860 $2.598 $2.370 View $2.142 $1.948	Min.: 1 Mult.: 1	Feed Through Terminal Block	3 Position	12 mm	57 A	1 kV	Spring Cage		Polyamide (PA)	DIN Rail			SNK
DIN Rail Terminal Blocks Pow SNK PI-Spring ZK10-PE TE Connectivity / AMP 1: $11.871 18In Stock	Mfr. Part # ZK10-PE Mouser Part # 571-ZK10-PE	TE Connectivity / AMP	DIN Rail Terminal Blocks Pow SNK PI-Spring Learn More about TE Connectivity / AMP te connectivity snk pi spring terminal blocks	Datasheet	18In Stock	$11.871 $7.986 $6.801 $5.765 View $5.560 $5.400 $5.184	Min.: 1 Mult.: 1	Feed Through Terminal Block	3 Position	12 mm	57 A	1 kV	Spring Cage		Polyamide (PA)	DIN Rail			SNK
DIN Rail Terminal Blocks Pow SNK PI-Spring ZK16 TE Connectivity / Entrelec 1: $6.141 2In Stock	Mfr. Part # ZK16 Mouser Part # 571-ZK16	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	2In Stock	$6.141 $3.657 $3.315 $3.144 View $2.962 $2.882 $2.609 $2.370	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	12 mm	75 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	20 AWG	4 AWG	SNK
DIN Rail Terminal Blocks Pow SNK PI-Spring ZK16-PV TE Connectivity / AMP 1: $16.212 6In Stock	Mfr. Part # ZK16-PV Mouser Part # 571-ZK16-PV	TE Connectivity / AMP	DIN Rail Terminal Blocks Pow SNK PI-Spring Learn More about TE Connectivity / AMP te connectivity snk pi spring terminal blocks	Datasheet	6In Stock	$16.212 $13.113 $12.179 $10.356 View $10.014 $9.365 $8.180 $7.964	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	12 mm	75 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	20 AWG	4 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-4P-BL TE Connectivity / Entrelec 1: $2.723 1.229In Stock	Mfr. Part # ZK2.5-4P-BL Mouser Part # 571-ZK2.5-4P-BL	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	1.229In Stock	$2.723 $2.096 $1.823 $1.641 View $1.504 $1.356 $1.265 $1.196 $1.090	Min.: 1 Mult.: 1	Feed Through Terminal Block	4 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-D-CH-UD TE Connectivity / AMP 1: $11.757 39In Stock	Mfr. Part # ZK2.5-D-CH-UD Mouser Part # 571-ZK2.5-D-CH-UD	TE Connectivity / AMP	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / AMP te connectivity snk pi spring terminal blocks	Datasheet	39In Stock	$11.757 $10.481 $10.060 $9.274 View $8.658 $8.021 $7.667 $7.383	Min.: 1 Mult.: 1	Feed Through Terminal Block	4 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-D2 TE Connectivity / Entrelec 1: $4.979 376In Stock 800Expected 3/10/2027	Mfr. Part # ZK2.5-D2 Mouser Part # 571-ZK2.5-D2	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	376In Stock 800Expected 3/10/2027	$4.979 $3.657 $3.179 $2.951 View $2.791 $2.392 $2.290	Min.: 1 Mult.: 1	Feed Through Terminal Block	4 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-PE TE Connectivity / Entrelec 1: $6.403 68In Stock	Mfr. Part # ZK2.5-PE Mouser Part # 571-ZK2.5-PE	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	68In Stock	$6.403 $4.056 $3.179 $3.065 View $2.871 $2.734	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-PE-3P TE Connectivity / Entrelec 1: $6.893 493In Stock	Mfr. Part # ZK2.5-PE-3P Mouser Part # 571-ZK2.5-PE-3P	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	493In Stock	$6.893 $4.546 $4.534 $3.771 View $3.463 $3.099 $3.065	Min.: 1 Mult.: 1	Feed Through Terminal Block	3 Position	5.2 mm	20 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	12 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK4-3P TE Connectivity / Entrelec 1: $3.646 24In Stock	Mfr. Part # ZK4-3P Mouser Part # 571-ZK4-3P	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	24In Stock	$3.646 $2.609 $1.891 $1.652 View $1.561 $1.458 $1.322 $1.230 $1.136	Min.: 1 Mult.: 1	Feed Through Terminal Block	3 Position	6 mm	30 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	10 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK4-4P TE Connectivity / Entrelec 1: $4.033 16In Stock	Mfr. Part # ZK4-4P Mouser Part # 571-ZK4-4P	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	16In Stock	$4.033 $2.894 $2.176 $1.994 View $1.903 $1.891 $1.720 $1.572 $1.504	Min.: 1 Mult.: 1	Feed Through Terminal Block	4 Position	6 mm	30 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	10 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK4-PE TE Connectivity / Entrelec 1: $6.653 70In Stock	Mfr. Part # ZK4-PE Mouser Part # 571-ZK4-PE	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	70In Stock	$6.653 $4.272 $3.987 $3.737 View $3.475 $3.167 $3.065	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	6 mm	30 A	600 V	Spring Cage		Polyamide (PA)	DIN Rail	26 AWG	10 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK6 TE Connectivity / Entrelec 1: $2.700 47In Stock 1.700On Order	Mfr. Part # ZK6 Mouser Part # 571-ZK6	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	47In Stock 1.700On Order	$2.700 $1.971 $1.720 $1.515 View $1.413 $1.276 $1.208 $1.088	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	8 mm	50 A	600 V	Spring Cage	Gray	Polyamide (PA)	DIN Rail	24 AWG	8 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK6-PE TE Connectivity / Entrelec 1: $8.055 79In Stock	Mfr. Part # ZK6-PE Mouser Part # 571-ZK6-PE	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / Entrelec te connectivity snk pi spring terminal blocks	Datasheet	79In Stock	$8.055 $6.346 $5.514 $4.819 View $4.603 $3.965 $3.703 $3.612	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	8 mm	50 A	600 V	Spring Cage	Green, Yellow	Polyamide (PA)	DIN Rail	24 AWG	8 AWG	SNK
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK6-YL TE Connectivity / AMP 1: $3.851 30In Stock	Mfr. Part # ZK6-YL Mouser Part # 571-ZK6-YL	TE Connectivity / AMP	DIN Rail Terminal Blocks Aut SNK PI-Spring Learn More about TE Connectivity / AMP te connectivity snk pi spring terminal blocks	Datasheet	30In Stock	$3.851 $2.746 $2.472 $2.222 View $2.165 $1.891 $1.732 $1.606	Min.: 1 Mult.: 1	Feed Through Terminal Block	2 Position	8 mm	50 A	600 V	Spring Cage	Yellow	Polyamide (PA)	DIN Rail	24 AWG	8 AWG	SNK

ENTRELEC SNK PI-Spring Terminal Blocks

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ENTRELEC SNK PI-Spring Terminal Blocks

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