Electrocraft Max400 | Electro-Craft Max-400 Robins & Myers 9077-0650 D | for DC servo
$1,250.00
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Electrocraft Max400 | Electro-Craft Max-400 Robins & Myers 9077-0650 D | for DC servo
$1,250.00
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SpareFaber is an independent reseller and is not an authorized distributor of this brand. Manufacturer warranty is not represented as included. Any stated warranty is provided solely by SpareFaber under our Limited Seller Warranty terms.
- Manufacturer Part Number: Robins & Myers 9077-0650 D
- Manufacturer Alternative MPN ; Electro-Craft Max-400
- Manufacturer Id Nr. Max-400
Electro-Craft Max-400 Robins & Myers
Electrocraft Input, 20-85 VAC at 15 A 50/60 Hz,
1Phaseoutput, I20 VDC Max 15A (Cont) 1500 W Max.
The Robbins & Myers/Electro-Craft MAX-400 is a controllable power source for brushtype, DC servo motors. Usually configured as a controlled velocity system, the amplifier interfaces with a controller which provides an analog voltage signal proportional to the desired motor velocity. Refer to functional diagram. The MAX-400 amplifier contains circuitry for protection of both motor and amplifier from effects of various overload and short circuit conditions. The MAX-400 is a 20 kHz pulse-width modulation (PWM), switching type amplifier that reduces system power losses. Motor speed is precisely controlled down to a maximum torque, low velocity condition.
The MAX-400 amplifier also contains automatic current foldback if the RMS current exceeds ± 15.0 amp. This feature will protect the amplifier and motor from over-current conditions.
| 2.1 Performance Specifications | |
| Specifications | |
| Peak Motor Current | +30.0 Amps |
| Maximum continuous motor current | +15.0 Amps |
| Motor supply voltage | 30-120 VDC |
| 2.2 Electrical Specifications | |
| Automatic current foldback | Approx. 50% |
| Foldback time constant | 0.05 Sec. at 30.0 Amps |
| Recovery time constant | 1.0 Sec. at 10.0 Amps |
| Switching frequency | 20 kHz nominal |
| Typical VCS signal input voltage | +10 V (+20 max) |
| VCS input impedance | 22 kOhms |
| Typical input amplifier drift | 10 uV/°C |
| Dead band | Zero |
| Maximum continuous shunt power dissipation | 50 Watts |
| Motor current output monitor (1 kohm output impedance) | ±1.5V=±30 Amps |
| Auxiliary +15 VDC supply | 15 milliamps |
| 2.3 Input Power Requirements | |
| Isolated AC Input Voltage | 20-85 VAC |
| Frequency | 47-63 Hz |
| 2.4 Physical Specifications | Height 10.25 in. (260 mm) |
| Width 2.95 in. (75 mm) | |
| Length 7.30 in. (185 mm) | |
| Weight 6.6 lbs. (2.90 kg) | |
| Ambient Temperature | |
| Relative Humidity 32° to 122°F | |
| Operating -40° to 158°F | |
| Storage/Shipping 5% to 95% non- |
- Product Condition Opened original packaging:
Authorization status : Independent reseller
Manufacturer warranty status : Not represented as included
SpareFaber warranty : One-year limited seller warranty
Packaging condition : Original packaging with shelf wear
- Manufacturer indent Nr.Max400
- Alternative ways of identifying | Part Numbers | Compatible Parts
- Typographic Errors in MPN | Mistakenly Known as
Brand, Condition & Warranty Disclosure
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