DIN Rail Terminal Blocks – Mouser United Kingdom

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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 (GBP) 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: £1.34 2,500In Stock	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	2,500In Stock	£1.34 £0.978 £0.849 £0.656 View £0.621 £0.561 £0.529 £0.469 £0.453	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: £12.95 540In Stock	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	540In Stock	£12.95 £9.69 £8.61 £7.48 £6.71	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: £2.44 8,019In Stock	Mfr. Part No. ZK6-BK Mouser Part No 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	£2.44 £1.75 £1.52 £0.995 View £0.899 £0.873	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: £5.74 413In Stock 100Expected 16/11/2026	Mfr. Part No. ZK2.5-SF Mouser Part No 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 16/11/2026	£5.74 £4.19 £3.71 £3.21 View £2.90 £2.78 £2.63 £2.51 £2.46	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: £13.48 4In Stock	Mfr. Part No. ZK16-3P-PV-BL Mouser Part No 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	£13.48 £9.49 £8.43 £7.83 View £7.32 £6.85 £6.56 £6.51	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: £2.11 15,505In Stock 50On Order	Mfr. Part No. ZK2.5-4P Mouser Part No 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	£2.11 £1.56 £1.37 £1.23 View £1.13 £1.01 £0.952 £0.925 £0.841	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: £1.63 1,797In Stock	Mfr. Part No. ZK2.5-3P Mouser Part No 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	£1.63 £1.18 £1.03 £0.737 View £0.705 £0.61 £0.609	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: £6.08 601In Stock	Mfr. Part No. ZK2.5-PE-4P Mouser Part No 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	£6.08 £3.91 £3.57 £3.40 View £3.21 £2.91 £2.71 £2.69	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: £4.83 647In Stock	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	647In Stock	£4.83 £3.42 £3.00 £2.75 View £2.54 £2.32 £2.10	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: £1.34 2,766In Stock	Mfr. Part No. ZK2.5 Mouser Part No 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	£1.34 £0.978 £0.849 £0.759 View £0.696 £0.624 £0.581 £0.546	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: £2.57 55In Stock	Mfr. Part No. ZK10 Mouser Part No 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	£2.57 £1.89 £1.71	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: £7.82 18In Stock	Mfr. Part No. ZK10-PE Mouser Part No 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	£7.82 £5.26 £4.48 £3.80 View £3.67 £3.56 £3.41	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: £4.05 2In Stock	Mfr. Part No. ZK16 Mouser Part No 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	£4.05 £2.41 £2.18 £2.07 View £1.96 £1.90 £1.73	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: £10.69 6In Stock	Mfr. Part No. ZK16-PV Mouser Part No 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	£10.69 £8.64 £8.02 £6.83 View £6.60 £6.17 £5.39 £5.25	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: £1.80 1,229In Stock	Mfr. Part No. ZK2.5-4P-BL Mouser Part No 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	£1.80 £1.38 £1.20 £1.08 View £0.995 £0.89 £0.834 £0.788 £0.718	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: £7.75 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	£7.75 £6.91 £6.63 £6.11 View £5.71 £5.28 £5.05 £4.86	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: £3.28 376In Stock 800Expected 10/03/2027	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	376In Stock 800Expected 10/03/2027	£3.28 £2.41 £2.10 £1.95 View £1.84 £1.58 £1.51	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: £4.22 68In 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	68In Stock	£4.22 £2.67 £2.10 £2.02 View £1.89 £1.80	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: £4.54 493In 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	493In Stock	£4.54 £2.99 £2.49 £2.28 View £2.04 £2.02	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: £2.40 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	£2.40 £1.72 £1.25 £1.09 View £1.03 £0.96 £0.871	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: £2.65 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	£2.65 £1.90 £1.43 £1.32 View £1.26 £1.25 £1.13	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: £4.38 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	£4.38 £2.82 £2.63 £2.46 View £2.29 £2.09 £2.02	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: £1.78 47In Stock 1,700On Order	Mfr. Part No. ZK6 Mouser Part No 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	£1.78 £1.30 £1.13 £0.995 View £0.934 £0.841 £0.796 £0.721	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: £5.31 79In 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	79In Stock	£5.31 £4.18 £3.63 £3.18 View £3.03 £2.61 £2.44 £2.38	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: £2.54 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	£2.54 £1.81 £1.63 £1.47 View £1.42 £1.25 £1.14 £1.06	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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