2PCS AZ9731-1C-12DC4 12V Mini-ISO SPDT 5-Pin Relay, 40A NO/30A NC, Sealed, Steel Bracket – Compatible with 30/85/86/87/87a Sockets, TE 5-160558-9/5-160526-9, ST9721-U1/U2/U3

AZ9731-1C-12DC4 — 12 V Mini-ISO SPDT Automotive RelayThis 5-pin power relay fits Mini-ISO sockets and switches high-current loads in 12 V systems. The C4 version includes a sealed, shrouded cover and a steel mounting bracket.Key SpecificationsContact form: SPDT (1 Form C), 5 blades labeled 30/85/86/87/87aRatings: 40 A (NO) / 30 A (NC) @ 14 VDC; max switching voltage 75 VDCCoil: 12 VDC, ≈90 Ω (~133 mA); must-operate 7.8 V; typical operate/release 7 ms/5 msContacts: Silver tin oxide; terminals: 0.250 in (6.3 mm) quick-connectTemperature range: −40 °C to 125 °C; sealed C4 housing with steel bracketFootprint: Mini-ISO size ~26.5 × 24.5 mm class; plug-inCompliance: ISO/TS 16949, ISO 14001Installation & LocationCommonly installed in engine-bay fuse/relay boxes or under-dash power blocksMatch the socket pin map (30/85/86/87/87a) and coil/contact ratings to your original relayDisconnect the battery, remove the old relay vertically, and press the new relay fully into the socketCompatibility GuidanceCompatible with Mini-ISO SPDT 5-pin sockets in 12 V systems—confirm pin layout, ratings, and footprint before purchaseCompatible with receptacle connectors TE 5-160558-9 / 5-160526-9 and sockets Zettler ST9721-U1 / ST9721-U2 / ST9721-U3Cross-Reference (verify datasheets before substituting)Compatible with Hongfa HFV15/12-Z5T-R (SPDT 5-pin, Mini-ISO class)Compatible with Picker Components PC792A-1C-C1-12S-DN-X (SPDT 5-pin, Mini-ISO class)Compatible with Omron G8JN-1C* and Song Chuan 896H-1CH* types sharing the same pin map and ratingsIncluded1 × AZ9731-1C-12DC4 relay

• Specs & ordering: Form 1C (SPDT) 5-pin; 12 VDC coil (≈90 Ω), must-operate 7.8 V; 40 A NO / 30 A NC @ 14 VDC; operate/release 7 ms/5 ms; silver tin oxide contacts; sealed C4 cover with steel bracket; 0.250 in quick-connect tabs; Compatible with 30/85/86/87/87a socket map and Mini-ISO footprint; Compatible with TE 5-160558-9/5-160526-9 receptacles and Zettler ST9721-U1/U2/U3 sockets.
• Install & location: Seats in Mini-ISO fuse/relay blocks (engine bay or under-dash). Disconnect battery, match pin labels 30/85/86/87/87a, then pull old relay straight up and press new relay fully home; verify load current and wiring before use. Typical circuits include cooling fan, blower, fuel pump, lighting, horn (confirm circuit type and amperage).
• Compatibility guidance: Compatible with 12 V Mini-ISO SPDT 5-pin sockets using 30/85/86/87/87a layout; confirm coil 12 V (~133 mA), contact rating 40 A NO/30 A NC, footprint 26.5×24.5 mm class before purchase. If your original relay lists types such as Compatible with Omron G8JN-1C*, Compatible with Song Chuan 896H-1CH*, or Compatible with Hongfa HFV15 (SPDT 5-pin), compare datasheets and pin maps to validate interchange.
• Complementary parts: Compatible with relay sockets Zettler ST9721-U1/U2/U3 and crimp receptacles TE 5-160558-9 / 5-160526-9 (wiring pigtails/harness bases). Cross-reference check: Compatible with Hongfa HFV15/12-Z5T-R and Picker Components PC792A-1C-C1-12S-DN-X class SPDT 40/30 A relays—compare pin map and ratings before substituting.
• Build & compliance: PBT case; vibration 0.062 in DA @ 10–40 Hz; shock 15 g; operating −40 °C to 125 °C; epoxy-sealed C4 cover helps resist dust/moisture; quick-connect 6.3 mm tabs; manufactured to ISO/TS 16949 and ISO 14001; designed for 12 V systems.