Mechanical Power Relays MPR Description The mechanical power relays are a product group of electro-mechanical high current relays. These relays have been designed for the use in utility vehicles and passenger cars and are able to switch or carry up to 300 A continuous load at 12 or 24 V DC. The high number of operating cycles at rated load, including capacitive and inductive loads, make these power relays particularly suitable for the utility vehicle sector. The main terminals are stud terminals. Screw flanges allow horizontal and vertical mounting. Thus these relays can replace any conventional power relays in the market. Versions Technical Data single-pole make contact bistable l side mount flanges as standard version lextendable mounting with foot flange or side flange with standard hole sizes and also customised mouting methods l standard: screw terminals for the activation l Load circuit l Applications battery isolation switch or battery switch-over relay of high-capacity loads (examples: air-conditioning, compressor units) lreplacement of massive cylindrical standard automotive relays l lswitching Features and Benefits l l l l l l l l l l Rated voltage UN 12 V DC, 24 V DC Continuous current IN 100 A, 200 A, 300 A Overload 20 s 1 s 2 × IN 8 × IN Contact voltage drop 1) max. 150 mV max. 175 mV (initially) (after typical life) Coil power 12 V DC: 24 V DC: bistable 9...16 V DC 16...32 V DC < 60 W (50 ms) Pulse duration 50 ms...1 s mechanical resistive > 100,000 cycles > 50,000 cycles (300 A) Voltage resistance Insulation resistance Temperature range 1050 V / 1 min to ISO 16750-2, Code F Degree of protection Vibration housing IP 6K9K to ISO 20563 terminal area IP00 to ISO 20653 57,9 m/s2 to ISO 16750-3 Kap. 4.1.2.7 Shock 500 m/s2: ON position 300 m/s2: OFF position to ISO 16750-3 Kap. 4.2.2 5 % salt mist to ISO 16750-4 Cap. 5.5 Code H 85 % rel. humidity to ISO 16750-4 Cap. 5.7 Code H Control circuit Operating voltage General Typical life water-proof and dust-proof side mount and foot mount low weight long life span high continuous current low current consumption and power loss wide temperature range free-wheeling diode optional overheating protection optional barrier between main terminals Approvals Authority Approval mark Regulation Rated voltage KBA E1 10R-047621 ECE-R 10 24 V 2) Corrosion Humidity > 100 MΩ (initially) to ISO 16750-2, Code F -40…+85 °C 5 Chemical resistance to ISO 16750-5 Oil, hydraulic liquids, alcohol, urea, extinguishing agents, battery acid, detergents, grease, cold cleaner meets the requirements to Flammability ECE-R 118 02 app. 6.7 Dimensions w x h x d (without terminals or flanges) Single pole, bistable 49.6 (62) × 91.3 × 45.8 [mm] Mass single pole ≤ 290 g Tightening torque M10 studs 15 Nm M8 studs 12 Nm values M4 screws 2.0 Nm M5 side flange 6,0 Nm 1) at rated current 2) typical for a bistable relay 1638 www.e-t-a.de 1 Mechanical Power Relays MPR Order numbering code Schematic diagrams Type No. MPR10-N bistable Number of poles 1 single pole Rated voltage 1 12 V 2 24 V Current rating 1 100 A (M8, M10) 2 200 A (M8, M10) 3 300 A (M10) Design of load terminals 1M8 studs (100 A, 200 A) 2 M10 studs (100 A, 200 A, 300 A) Accessories of load terminals 1 washers and nuts mounted 2 washers and nuts bulk shipped Coil connection (control contacts) 1 M4 screws Mounting method 0 without 1 side flange with Ø 5,4 mm hole 3 plate for side flange 4 plate for foot mount 5 M4 connectors side and foot Options 1 0 without 2 with suppressor diode Options 2 0 without Options 3 0 without MPR10-N- 1 2 3 - 2 1 1 1 - 2 0 0 ordering example MPR10 bistable 88a 88 +86a -85 +86b MPR10 bistable momentary switch OFF 86a+ momentary switch ON 86b+ load 88 power + supply - control circuit 85- 88a load circuit 5 2 www.e-t-a.de 1638 Mechanical Power Relays MPR Dimensions Dimensions Mounting method 5 without integral side flange for optional side and/or foot plate with M4 connectors Mounting method 1 with side flange (50 mm distance between holes) and M4 screw terminals 49,6 49,6 26 26 19 M10 M8 44 91,3 ø 5,4 10 71,3 71,3 44 91,3 44 11,7 11,7 19 M8 M10 34 50 4 x M4 screw-in depth 8 mm 62 9 23,2 17 45,8 20 20 18.5 45,8 17 44,3 18,5 1,5 34 9 DIN EN ISO 14583-M4x6-A2-50U Six lobe screw T20 to DIN EN ISO 10664 9 9 4 x M4 max. mounting screw depth 8 mm M4 T20 5 1638 www.e-t-a.de 3 Mechanical Power Relays MPR 5 All dimensions without tolerances are for reference only. E-T-A reserves the right change specifications at any time in the interest of improved design, performance and cost effectiveness, the right to make changes in these specifications without notice is reserved. Product markings may not be exactly as the ordering codes. Errors and omissions excepted. 4 www.e-t-a.de 1638