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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-BL TE Connectivity / Entrelec 1: $1.79 1,650In Stock 850On Order	Mfr. Part No. ZK2.5-BL Mouser Part No 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	1,650In Stock 850On Order On Order Ship Dates Mfr. No: ZK2.5-BL Stock: 1,650 Can Dispatch Immediately On Order: 800 Expected 2026/10/12 50 Expected 2026/10/23 Factory Lead Time: 1 Week	$1.79 $1.30 $1.13 $1.01 View $0.927 $0.83 $0.772 $0.683 $0.625	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-D-CH-UD TE Connectivity / AMP 1: $13.47 39In Stock	Mfr. Part No. ZK2.5-D-CH-UD Mouser Part No 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	$13.47 $9.96 $8.83 $8.14 View $7.61 $7.04 $6.73 $6.48	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-D2 TE Connectivity / Entrelec 1: $4.55 436In Stock	Mfr. Part No. ZK2.5-D2 Mouser Part No 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	436In Stock	$4.55 $3.33 $2.91 $2.63 View $2.43 $2.17 $2.05 $1.97 $1.83	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-PE TE Connectivity / Entrelec 1: $5.62 88In Stock	Mfr. Part No. ZK2.5-PE Mouser Part No 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	88In Stock	$5.62 $3.59 $3.29 $3.12 View $2.52 $2.41	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-PE-3P TE Connectivity / Entrelec 1: $6.05 494In Stock	Mfr. Part No. ZK2.5-PE-3P Mouser Part No 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	494In Stock	$6.05 $3.99 $3.98 $3.31 View $3.04 $2.72 $2.69	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-SF-R1 TE Connectivity / Entrelec 1: $15.97 46In Stock 500Expected 2026/10/08	Mfr. Part No. ZK2.5-SF-R1 Mouser Part No 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	46In Stock 500Expected 2026/10/08	$15.97 $11.76 $11.43 $8.90	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK2.5-T3 TE Connectivity / Entrelec 1: $5.83 507In Stock 150Expected 2026/10/14	Mfr. Part No. ZK2.5-T3 Mouser Part No 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	507In Stock 150Expected 2026/10/14	$5.83 $4.14 $3.62 $3.31 View $3.09 $2.85 $2.80	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK4 TE Connectivity / Entrelec 1: $2.04 93In Stock	Mfr. Part No. ZK4 Mouser Part No 571-ZK4	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	93In Stock	$2.04 $1.47 $1.30 $1.10 View $1.06 $0.861 $0.79 $0.719 $0.712	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK4-3P TE Connectivity / Entrelec 1: $3.26 24In Stock	Mfr. Part No. ZK4-3P Mouser Part No 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	$3.26 $2.33 $2.05 $1.84 View $1.80 $1.57 $1.44 $1.35	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK4-4P TE Connectivity / Entrelec 1: $3.54 16In Stock	Mfr. Part No. ZK4-4P Mouser Part No 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	$3.54 $2.54 $1.91 $1.76 View $1.67 $1.51	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK4-PE TE Connectivity / Entrelec 1: $5.84 70In Stock	Mfr. Part No. ZK4-PE Mouser Part No 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	$5.84 $3.76 $3.50 $3.28 View $3.05 $2.78 $2.69	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK6-PE TE Connectivity / Entrelec 1: $7.07 179In Stock	Mfr. Part No. ZK6-PE Mouser Part No 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	179In Stock	$7.07 $5.57 $4.84 $4.23 View $4.04 $3.48 $3.26 $3.17	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK PI-Spring ZK6-YL TE Connectivity / AMP 1: $3.38 30In Stock	Mfr. Part No. ZK6-YL Mouser Part No 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	$3.38 $2.41 $2.17 $1.95 View $1.90 $1.66 $1.52 $1.41	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS10-BK TE Connectivity / Entrelec 1: $3.04 478In Stock	Mfr. Part No. ZS10-BK Mouser Part No 571-ZS10-BK	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	478In Stock	$3.04 $2.21 $1.93 $1.60 View $1.45 $1.40 $1.26 $1.14	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS10-PE TE Connectivity / Entrelec 1: $9.83 208In Stock	Mfr. Part No. ZS10-PE Mouser Part No 571-ZS10-PE	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	208In Stock	$9.83 $5.55 $5.08 $4.85 View $4.48 $4.07	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS150-YL TE Connectivity 1: $37.41 5In Stock	Mfr. Part No. ZS150-YL Mouser Part No 571-ZS150-YL	TE Connectivity	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity snk screw clamp terminal blocks	Datasheet	5In Stock	$37.41 $33.55 $30.54	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS16 TE Connectivity / Entrelec 1: $3.61 481In Stock 1,025Expected 2026/12/07	Mfr. Part No. ZS16 Mouser Part No 571-ZS16	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	481In Stock 1,025Expected 2026/12/07	$3.61 $2.72 $2.27 $2.05 View $1.79 $1.60 $1.47 $1.33	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS16-PE TE Connectivity / Entrelec 1: $10.07 4In Stock 140Expected 2026/10/08	Mfr. Part No. ZS16-PE Mouser Part No 571-ZS16-PE	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	4In Stock 140Expected 2026/10/08	$10.07 $5.97 $5.68 $5.41 View $4.95 $4.93	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS25 TE Connectivity / Entrelec 1: $5.99 93In Stock	Mfr. Part No. ZS25 Mouser Part No 571-ZS25	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	93In Stock	$5.99 $4.41 $3.71 $3.31 View $3.04 $2.88 $2.86 $2.74	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS25-PE TE Connectivity / Entrelec 1: $13.90 10In Stock	Mfr. Part No. ZS25-PE Mouser Part No 571-ZS25-PE	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	10In Stock	$13.90 $8.82 $8.61 $7.83	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS35 TE Connectivity / Entrelec 1: $7.01 5In Stock 100On Order	Mfr. Part No. ZS35 Mouser Part No 571-ZS35	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	5In Stock 100On Order On Order Ship Dates Mfr. No: ZS35 Stock: 5 Can Dispatch Immediately On Order: 80 Pending 20 Expected 2027/01/12 Factory Lead Time: 1 Week	$7.01 $3.76 $3.17 $3.14	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS35-BL TE Connectivity / AMP 1: $7.01 8In Stock	Mfr. Part No. ZS35-BL Mouser Part No 571-ZS35-BL	TE Connectivity / AMP	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity / AMP te connectivity snk screw clamp terminal blocks	Datasheet	8In Stock	$7.01 $4.51 $4.11 $3.92 View $3.70 $3.38 $3.21 $3.07	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Pow SNK Screw ZS35-PE TE Connectivity / Entrelec 1: $15.76 42In Stock	Mfr. Part No. ZS35-PE Mouser Part No 571-ZS35-PE	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Pow SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	42In Stock	$15.76 $11.76 $9.54 $8.97 View $8.52 $8.18 $8.02 Quote	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK Screw ZS4-BK TE Connectivity / Entrelec 1: $2.30 176In Stock	Mfr. Part No. ZS4-BK Mouser Part No 571-ZS4-BK	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	176In Stock	$2.30 $1.65 $1.44 $1.28 View $1.26 $1.14	Min.: 1 Mult.: 1
DIN Rail Terminal Blocks Aut SNK Screw ZS4-BL TE Connectivity / Entrelec 1: $2.30 198In Stock	Mfr. Part No. ZS4-BL Mouser Part No 571-ZS4-BL	TE Connectivity / Entrelec	DIN Rail Terminal Blocks Aut SNK Screw Learn More about TE Connectivity / Entrelec te connectivity snk screw clamp terminal blocks	Datasheet	198In Stock	$2.30 $1.65 $1.44 $1.19 View $1.17 $1.10 $0.998	Min.: 1 Mult.: 1

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