Heavy Duty Power Connectors

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SurLok Plus™ EMI Connectors

Amphenol Industrial SurLok Plus™ EMI Connectors are highly reliable, field-installable compression lugs that feature EMI protection and R4 RADSOK® contact technology. This series offers the same high performance as the original but includes EMI shielding, which is ideal for the EV market and its applications. These connectors use industry-standard crimp, screw, and busbar termination options, eliminating the need for special torque tools. The RADSOK contact technology uses high tensile properties of stamping and forming and high conductivity alloy grid to produce low insertion forces. Amphenol Industrial SurLok Plus EMI Connectors feature a quick-lock and press-to-release design, a secondary locking system, and a wide amperage range of 150A to 250A. These IP67-rated connectors offer a UL 94V-0 flammability rating and are available in sizes of 5.7mm to 10.3mm.

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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.	Series	Product	Accessory Type	Current Rating	Number of Positions	Termination Style	Voltage Rating	Housing Material	Contact Plating	Contact Material	Wire Gauge Max	IP Rating	Maximum Operating Temperature	Tradename
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Black 120Keyway SLPPB50BSB3EH Amphenol Industrial 1: $29.55 115In Stock	Mfr. Part No. SLPPB50BSB3EH Mouser Part No 654-SLPPB50BSB3EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Black 120Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	115In Stock	$29.55 $26.49 $26.36 $24.11 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	1 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 90Keyway SLPPB50BSO0EH Amphenol Industrial 1: $30.73 292In Stock	Mfr. Part No. SLPPB50BSO0EH Mouser Part No 654-SLPPB50BSO0EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 90Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	292In Stock	$30.73 $26.96 $25.53 $24.38 View $24.08 $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	1 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 270Keyway SLPPB50BSO1EH Amphenol Industrial 1: $26.70 239In Stock	Mfr. Part No. SLPPB50BSO1EH Mouser Part No 654-SLPPB50BSO1EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 270Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	239In Stock	$26.70 $25.65 $24.37 $23.63 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	1 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 60Keyway SLPPB50BSO2EH Amphenol Industrial 1: $28.97 95In Stock	Mfr. Part No. SLPPB50BSO2EH Mouser Part No 654-SLPPB50BSO2EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 60Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	95In Stock	$28.97 $26.35 $25.10 $23.50 View Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	1 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 120Keyway SLPPB50BSO3EH Amphenol Industrial 1: $32.43 120In Stock	Mfr. Part No. SLPPB50BSO3EH Mouser Part No 654-SLPPB50BSO3EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 120Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	120In Stock	$32.43 $27.56 $26.36 $25.10 View $24.08 $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	1 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 150Keyway SLPPB50BSO4EH Amphenol Industrial 1: $30.43 149In Stock	Mfr. Part No. SLPPB50BSO4EH Mouser Part No 654-SLPPB50BSO4EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 150Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	149In Stock	$30.43 $26.82 $25.31 $24.26 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	1 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Red 90Keyway SLPPB50BSR0EH Amphenol Industrial 1: $31.81 96In Stock	Mfr. Part No. SLPPB50BSR0EH Mouser Part No 654-SLPPB50BSR0EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Red 90Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	96In Stock	$31.81 $26.95 $25.19 $24.35 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	1 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Black 90Keyway SLPPB70BSB0EH Amphenol Industrial 1: $29.95 90In Stock	Mfr. Part No. SLPPB70BSB0EH Mouser Part No 654-SLPPB70BSB0EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Black 90Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	90In Stock	$29.95 $27.28 $27.15 $25.43 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	250 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	2/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Black 270Keyway SLPPB70BSB1EH Amphenol Industrial 1: $30.07 125In Stock	Mfr. Part No. SLPPB70BSB1EH Mouser Part No 654-SLPPB70BSB1EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Black 270Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	125In Stock	$30.07 $27.42 $24.66 $23.63 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	250 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	2/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 90 Keyway SLPPB70BSO0EH Amphenol Industrial 1: $32.43 78In Stock 100Expected 01/12/2026	Mfr. Part No. SLPPB70BSO0EH Mouser Part No 654-SLPPB70BSO0EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 90 Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	78In Stock 100Expected 01/12/2026	$32.43 $28.12 $26.36 $25.10 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	250 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	2/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 270Keyway SLPPB70BSO1EH Amphenol Industrial 1: $28.86 81In Stock	Mfr. Part No. SLPPB70BSO1EH Mouser Part No 654-SLPPB70BSO1EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Orange 270Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	81In Stock	$28.86 $28.12 $26.36 $25.10 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	250 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	2/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Red 90Keyway SLPPB70BSR0EH Amphenol Industrial 1: $33.08 106In Stock	Mfr. Part No. SLPPB70BSR0EH Mouser Part No 654-SLPPB70BSR0EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Red 90Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	106In Stock	$33.08 $28.12 $26.36 $25.10 View $24.08 $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	250 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	2/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Red 120Keyway SLPPB70BSR3EH Amphenol Industrial 1: $26.50 93In Stock	Mfr. Part No. SLPPB70BSR3EH Mouser Part No 654-SLPPB70BSR3EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Red 120Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	93In Stock	$26.50 $24.51 $24.11 $23.50 Quote Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	250 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	2/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 60Keyway SLPIPB35BSB2EH Amphenol Industrial 1: $30.29 15In Stock 100Expected 25/11/2026	Mfr. Part No. SLPIPB35BSB2EH Mouser Part No 654-SLPIPB35BSB2EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 60Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	15In Stock 100Expected 25/11/2026	$30.29 $27.55 $25.83 $24.60 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	150 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	2 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 120Keyway SLPIPB35BSB3EH Amphenol Industrial 1: $33.08 4In Stock	Mfr. Part No. SLPIPB35BSB3EH Mouser Part No 654-SLPIPB35BSB3EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 120Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	4In Stock	$33.08 $26.86 $25.83 $23.50 Quote Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	150 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	2 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Orange 90Keyway SLPIPB35BSO0EH Amphenol Industrial 1: $30.73 43In Stock	Mfr. Part No. SLPIPB35BSO0EH Mouser Part No 654-SLPIPB35BSO0EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Orange 90Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	43In Stock	$30.73 $26.96 $25.53 $24.38 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	150 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	2 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Orange 270Keyway SLPIPB35BSO1EH Amphenol Industrial 1: $30.73 60In Stock	Mfr. Part No. SLPIPB35BSO1EH Mouser Part No 654-SLPIPB35BSO1EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Orange 270Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	60In Stock	$30.73 $26.96 $25.53 $24.38 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	150 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	2 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 60Keyway SLPIPB50BSB2EH Amphenol Industrial 1: $31.03 7In Stock	Mfr. Part No. SLPIPB50BSB2EH Mouser Part No 654-SLPIPB50BSB2EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 60Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	7In Stock	$31.03 $26.72 $26.38 $25.15 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	1/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 120Keyway SLPIPB50BSB3EH Amphenol Industrial 1: $30.43 59In Stock	Mfr. Part No. SLPIPB50BSB3EH Mouser Part No 654-SLPIPB50BSB3EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 120Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	59In Stock	$30.43 $26.82 $25.31 $24.60 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	1/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Orange 270Keyway SLPIPB50BSO1EH Amphenol Industrial 1: $32.42 35In Stock 190Expected 29/10/2026	Mfr. Part No. SLPIPB50BSO1EH Mouser Part No 654-SLPIPB50BSO1EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Orange 270Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	35In Stock 190Expected 29/10/2026	$32.42 $27.55 $25.83 $24.60 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	1/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Red 90Keyway SLPIPB50BSR0EH Amphenol Industrial 1: $29.47 15In Stock 100Expected 26/11/2026	Mfr. Part No. SLPIPB50BSR0EH Mouser Part No 654-SLPIPB50BSR0EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Red 90Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	15In Stock 100Expected 26/11/2026	$29.47 $25.84 $24.51 $23.53 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	200 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	1/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 270Keyway SLPIPB70BSB1EH Amphenol Industrial 1: $33.17 45In Stock	Mfr. Part No. SLPIPB70BSB1EH Mouser Part No 654-SLPIPB70BSB1EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 270Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	45In Stock	$33.17 $29.16 $27.56 $26.48 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	250 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	2/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 120Keyway SLPIPB70BSB3EH Amphenol Industrial 1: $32.42 28In Stock	Mfr. Part No. SLPIPB70BSB3EH Mouser Part No 654-SLPIPB70BSB3EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Black 120Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	28In Stock	$32.42 $27.55 $25.83 $24.60 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	250 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	2/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Red 60Keyway SLPIPB70BSR2EH Amphenol Industrial 1: $28.40 60In Stock	Mfr. Part No. SLPIPB70BSR2EH Mouser Part No 654-SLPIPB70BSR2EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm SPlug EMI&HVIL Red 60Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	60In Stock	$28.40 $25.55 $25.42 $24.67 $24.43	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	250 A	1 Position	Cable	1 kV	Thermoplastic (TP)	Silver	Copper	2/0 AWG	IP67	+ 125 C	SurLok Plus
Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Black 60Keyway SLPPB35BSB2EH Amphenol Industrial 1: $32.42 27In Stock 100Expected 01/12/2026	Mfr. Part No. SLPPB35BSB2EH Mouser Part No 654-SLPPB35BSB2EH	Amphenol Industrial	Heavy Duty Power Connectors 8.0mm RAPlugEMI&HVIL Black 60Keyway Learn More about Amphenol Industrial amphenol surlok plus emi connectors	Datasheet	27In Stock 100Expected 01/12/2026	$32.42 $27.55 $25.83 $24.60 View $23.50 Quote	Min.: 1 Mult.: 1	SurLok EMI	Connectors	8 mm Surlok Plus Plug	150 A	1 Position	Crimp	1 kV	Thermoplastic (TP)	Silver	Copper	2 AWG	IP67	+ 125 C	SurLok Plus

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