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ENTRELEC SNK Terminal Blocks & Accessories

TE Connectivity's (TE) ENTRELEC SNK Terminal Blocks offer a range of terminal blocks with PI-Spring (Push-in and Spring), screw clamp, and pluggable technologies with common accessories. An asymmetrical design avoids mounting and wiring errors. Most accessories can be shared by the various mounting technologies. TE ENTRELEC SNK components are qualified for worldwide applications and severe environments such as hazardous locations, railways, marine, and solar applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-SF-R1 TE Connectivity / Entrelec 1: $17.24 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	$17.24 $12.91 $11.47 $11.46 View $9.96 $8.94	Min.: 1 Mult.: 1
Terminal Block Tools & Accessories Test and measurement TB SC-JB8-2 TE Connectivity / Entrelec 1: $6.12 833In Stock	Mfr. Part # SC-JB8-2 Mouser Part # 571-SC-JB8-2	TE Connectivity / Entrelec	Terminal Block Tools & Accessories Test and measurement TB Learn More about TE Connectivity / Entrelec te connectivity entrelec snk terminal blocks	Datasheet	833In Stock	$6.12 $4.90 $4.15 $3.91 View $3.70 $3.45 $3.05 $2.93	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-BL TE Connectivity / Entrelec 1: $1.79 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	$1.79 $1.30 $1.13 $0.873 View $0.827 $0.748 $0.705 $0.624 $0.549	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS70 TE Connectivity / Entrelec 1: $27.10 240In Stock	Mfr. Part # ZS70 Mouser Part # 571-ZS70	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	240In Stock	$27.10 $19.46 $19.06 $18.13 View $15.60 $14.45 $13.80	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK Screw ZS4-RD TE Connectivity / Entrelec 1: $1.37 1,700In Stock	Mfr. Part # ZS4-RD Mouser Part # 571-ZS4-RD	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	1,700In Stock	$1.37 $1.14 $1.13 $1.09 $0.951	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK Screw ZS6-4S-PE TE Connectivity / Entrelec 1: $16.88 515In Stock	Mfr. Part # ZS6-4S-PE Mouser Part # 571-ZS6-4S-PE	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	515In Stock	$16.88 $12.03 $10.69 $9.91 View $9.49 $8.88 $8.50 $7.96	Min.: 1 Mult.: 1
Terminal Block Tools & Accessories Aut SNK Accessories JB6-2 TE Connectivity / Entrelec 1: $1.62 2,200In Stock	Mfr. Part # JB6-2 Mouser Part # 571-JB6-2	TE Connectivity / Entrelec	Terminal Block Tools & Accessories Aut SNK Accessories Learn More about TE Connectivity / Entrelec te connectivity entrelec snk terminal blocks	Datasheet	2,200In Stock	$1.62 $1.41 $1.32 $1.31 View $1.27 $1.09 $1.02 $0.988	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK6-BK TE Connectivity / Entrelec 1: $3.24 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	$3.24 $2.32 $2.02 $1.30 View $1.18 $1.12 $1.07 $1.02	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK Screw ZS6-S-4S-T2 TE Connectivity / Entrelec 1: $13.29 292In Stock	Mfr. Part # ZS6-S-4S-T2 Mouser Part # 571-ZS6-S-4S-T2	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	292In Stock	$13.29 $9.45 $8.38 $7.72 View $7.20 $6.67 $6.37 $6.13	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Test and measurement TB ZS10-ST TE Connectivity / AMP 1: $9.18 999In Stock	Mfr. Part # ZS10-ST Mouser Part # 571-ZS10-ST	TE Connectivity / AMP	DIN Rail Terminal Blocks Test and measurement TB Learn More about TE Connectivity / AMP te connectivity entrelec snk terminal blocks	Datasheet	999In Stock	$9.18 $6.25 $5.78 $5.57 $5.21	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK Screw ZS4-SF1-R1 TE Connectivity / Entrelec 1: $21.32 276In Stock	Mfr. Part # ZS4-SF1-R1 Mouser Part # 571-ZS4-SF1-R1	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	276In Stock	$21.32 $16.88 $15.17 $14.10 View $13.21 $12.46 $12.23 Quote	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-SF TE Connectivity / AMP 1: $7.63 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	$7.63 $5.49 $4.85 $4.18 View $3.84 $3.70 $3.50 $3.35 $3.28	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK Screw ZS4-SF-R2 TE Connectivity / AMP 1: $57.41 75In Stock	Mfr. Part # ZS4-SF-R2 Mouser Part # 571-ZS4-SF-R2	TE Connectivity / AMP	DIN Rail Terminal Blocks Aut SNK Screw Learn More about TE Connectivity / AMP te connectivity snk screw clamp terminal blocks	Datasheet	75In Stock	$57.41 $41.87 $37.96 $35.67 View $32.38 Quote	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK PI-Spring ZK16-3P-PV-BL TE Connectivity / Entrelec 1: $17.95 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	$17.95 $12.64 $11.23 $10.43 View $9.76 $9.13 $8.74 $8.68	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK Screw ZS4-SF-R3 TE Connectivity / AMP 1: $26.57 13In Stock	Mfr. Part # ZS4-SF-R3 Mouser Part # 571-ZS4-SF-R3	TE Connectivity / AMP	DIN Rail Terminal Blocks Aut SNK Screw Learn More about TE Connectivity / AMP te connectivity snk screw clamp terminal blocks	Datasheet	13In Stock	$26.57 $18.99 $16.96 $15.76 View $14.79 $13.82 $13.35	Min.: 1 Mult.: 1
Terminal Block Tools & Accessories Pow Accessories JB8-3-R1 TE Connectivity / Entrelec 1: $4.56 164In Stock	Mfr. Part # JB8-3-R1 Mouser Part # 571-JB8-3-R1	TE Connectivity / Entrelec	Terminal Block Tools & Accessories Pow Accessories Learn More about TE Connectivity / Entrelec te connectivity entrelec snk terminal blocks	Datasheet	164In Stock	$4.56 $4.43 $4.03 $3.68 View $3.32 $3.02 $2.94	Min.: 1 Mult.: 1
Terminal Block Tools & Accessories Common accessories CS-R2 TE Connectivity / Entrelec 1: $2.93 1,160In Stock	Mfr. Part # CS-R2 Mouser Part # 571-CS-R2	TE Connectivity / Entrelec	Terminal Block Tools & Accessories Common accessories Learn More about TE Connectivity / Entrelec te connectivity entrelec snk terminal blocks	Datasheet	1,160In Stock	$2.93 $1.95 $1.83 $1.77 View $1.59 $1.34 $1.29 $1.19	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK Screw ZS4-D2-SF1 TE Connectivity / Entrelec 1: $14.85 148In Stock	Mfr. Part # ZS4-D2-SF1 Mouser Part # 571-ZS4-D2-SF1	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	148In Stock	$14.85 $11.11 $9.50 $8.72 View $8.11 $7.56 $7.31	Min.: 1 Mult.: 1
Terminal Block Tools & Accessories Test and measurement TB SC-JB8-4 TE Connectivity / AMP 1: $8.53 226In Stock	Mfr. Part # SC-JB8-4 Mouser Part # 571-SC-JB8-4	TE Connectivity / AMP	Terminal Block Tools & Accessories Test and measurement TB Learn More about TE Connectivity / AMP te connectivity entrelec snk terminal blocks	Datasheet	226In Stock	$8.53 $7.26 $5.49 $5.28 View $5.21 $4.57 $4.42 $4.35	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK Pluggable ZDK2.5-D1-PE TE Connectivity / AMP 1: $29.52 47In Stock	Mfr. Part # ZDK2.5-D1-PE Mouser Part # 571-ZDK2.5-D1-PE	TE Connectivity / AMP	DIN Rail Terminal Blocks Aut SNK Pluggable Learn More about TE Connectivity / AMP te connectivity snk pluggable terminal blocks	Datasheet	47In Stock	$29.52 $24.39 $19.62 $18.86 View $18.23 $17.66 $17.24 Quote	Min.: 1 Mult.: 1
Terminal Block Tools & Accessories End stops BAM4 TE Connectivity / Entrelec 1: $1.79 17,106In Stock	Mfr. Part # BAM4 Mouser Part # 571-BAM4	TE Connectivity / Entrelec	Terminal Block Tools & Accessories End stops Learn More about TE Connectivity / Entrelec te connectivity entrelec snk terminal blocks	Datasheet	17,106In Stock	$1.79 $1.52 $1.43 $1.33 View $1.29 $1.09 $1.04 $1.01 $1.00	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-4P TE Connectivity / Entrelec 1: $2.81 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	$2.81 $2.08 $1.82 $1.64 View $1.50 $1.35 $1.27 $1.23 $1.12	Min.: 1 Mult.: 1
Terminal Block Tools & Accessories Aut SNK Accessories JB5-50 TE Connectivity / Entrelec 1: $40.51 174In Stock	Mfr. Part # JB5-50 Mouser Part # 571-JB5-50	TE Connectivity / Entrelec	Terminal Block Tools & Accessories Aut SNK Accessories Learn More about TE Connectivity / Entrelec te connectivity entrelec snk terminal blocks	Datasheet	174In Stock	$40.51 $27.95 $25.52 $24.45 View $23.40 $22.52	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-3P TE Connectivity / Entrelec 1: $2.18 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	$2.18 $1.57 $1.37 $0.981 View $0.938 $0.813 $0.812	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-PE-4P TE Connectivity / Entrelec 1: $8.09 589In 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	589In Stock	$8.09 $5.21 $4.75 $4.53 View $4.28 $3.87 $3.60 $3.58	Min.: 1 Mult.: 1

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