EMG 17-REL/SG-B 48/21/M
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Relay module
2953935
Relay module, with soldered-in remanence miniature switching relay, with negative switching diode wiring, contacts (AgSnO): small to large loads, 1 changeover contact, input voltage 48 V DC
Product details
| Product type | Relay Module |
| Application | Universal |
| Operating mode | 100% operating factor |
| Mechanical service life | approx. 107 cycles |
| Insulation characteristics: Air clearances and creepage distances between the power circuits | |
| Insulation | Safe isolation, reinforced insulation |
| Overvoltage category | III |
| Pollution degree | 2 |
| Data management status | |
| Date of last data management | 12.09.2025 |
| Maximum power dissipation for nominal condition | 0.41 W |
| Test voltage (Winding/contact) | 4 kVrms (50 Hz, 1 min., winding/contact) |
| Air clearances and creepage distances between the power circuits | |
| Rated insulation voltage | 250 V AC |
| Rated surge voltage | 4 kV |
| Coil side | |
| Nominal input voltage UN | 48 V DC |
| Input voltage range | 38.4 V DC ... 52.8 V DC |
| Input voltage range in reference to UN | 0.8 ... 1.1 |
| Drive and function | bistable |
| Typical input current at UN | typ. 8.5 mA |
| Typical response time | 5 ms |
| Typical release time | 5 ms |
| Pulse time range | 30 ms ... 5 s |
| Coil voltage | 24 V DC |
| Protective circuit | Freewheeling diode; Freewheeling diode |
| Reverse polarity protection; Polarity protection diode | |
| Switching | |
| Contact switching type | Single contact, 1 changeover contact |
| Type of switch contact | Single contact |
| Contact material | AgSnO |
| Maximum switching voltage | 250 V AC/DC |
| Minimum switching voltage | 5 V (at 100 mA) |
| 24 V (At 1 mA) | |
| Limiting continuous current | 6 A |
| Maximum inrush current | 8 A |
| Min. switching current | 1 mA (at 24 V) |
| 100 mA (At 5 V) | |
| Interrupting rating (ohmic load) max. | 144 W (at 24 V DC) |
| 43 W (at 48 V DC) | |
| 42 W (at 60 V DC) | |
| 55 W (at 110 V DC) | |
| 100 W (at 220 V DC) | |
| 1500 VA (for 250 V AC) | |
| Switching: when the gold layer is destroyed | |
| Maximum switching voltage | 250 V AC/DC |
| Limiting continuous current | 5 A |
| Maximum inrush current | 6 A |
| Interrupting rating (ohmic load) max. | 120 W (at 24 V DC) |
| 40 W (at 48 V DC) | |
| 35 W (at 60 V DC) | |
| 30 W (at 110 V DC) | |
| 55 W (at 220 V DC) | |
| 1250 VA (for 250 V AC) | |
| Coil side | |
| Connection method | Screw connection |
| Stripping length | 8 mm |
| Screw thread | M3 |
| Conductor cross-section rigid | 0.2 mm² ... 4 mm² |
| Conductor cross-section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross-section AWG | 24 ... 12 |
| Contact side | |
| Connection method | Screw connection |
| Stripping length | 8 mm |
| Screw thread | M3 |
| Conductor cross-section rigid | 0.2 mm² ... 4 mm² |
| Conductor cross-section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross-section AWG | 24 ... 12 |
| Width | 17.5 mm |
| Height | 75 mm |
| Depth | 62.5 mm |
| Color | green (RAL 6021) |
| Ambient conditions | |
| Ambient temperature (operation) | -40 °C ... 50 °C |
| Ambient temperature (storage/transport) | -40 °C ... 70 °C |
| Air clearances and creepage distances between the power circuits | |
| Standards/regulations | DIN EN 50178 |
| Mounting type | DIN rail mounting |
| Assembly note | in rows with zero spacing |
| Mounting position | any |
| Item number | 2953935 |
| Packing unit | 10 pc |
| Minimum order quantity | 1 pc |
| Note | Made to order (non-returnable) |
| Sales key | CK6 |
| Product key | DK6142 |
| GTIN | 4017918084677 |
| Weight per piece (including packing) | 48.62 g |
| Weight per piece (excluding packing) | 48.62 g |
| Customs tariff number | 85364190 |
| Country of origin | DE |
| China RoHS | |
| Environment friendly use period (EFUP) |
EFUP-50
An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required.
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| EU REACH SVHC | |
| REACH candidate substance (CAS No.) | No substance above 0.1 wt% |