NOREx9VF73S10070B1C – VFD – Inverter with integrated braking chopper – Safe Torque Off (STO) – NOARK (Ex9VF7 series) – 93.5-138Vac (110Vac / 120Vac nom.) (Single-phase / 1P) input voltage – 7A rated output current – 1.5kW / 2HP rated power – IP20 / NEMA 1
Ex9VF73S10070B1C (1330255)
- VFD
- Ee9VF7
- V3 frame w/ STO
- 7A
- 110V (1-Phase)
- 2HP
Product Link: https://products.na.noark-electric.com/products/Ex9VF73S10070B1C
| Brand | NOARK |
|---|---|
| Amperage | 7 A |
| Poles | 1-Pole |
| Voltage | 93.5-138V |
| Frame / Series | Ex9VF7 |
| Catalogue # | NOREx9VF73S10070B1C |
The NOARK Ex9VF73S10070B1C is a 1.5 kW / 2 HP, 7 A variable frequency drive from the Ex9VF7 V3 series, designed for single-phase (1P) input at 93.5–138 V AC (110/120 V nominal). It features an integrated braking chopper for dynamic braking applications and a Safe Torque Off (STO) safety function suitable for machinery safety circuits up to SIL 2 / PLd. The IP20 / NEMA 1 enclosure rating makes it appropriate for installation inside control panels or enclosures in clean, dry industrial environments.
- Typical loads: small pumps, fans, conveyors, and general-purpose 3-phase motors up to 2 HP fed from a 110/120 V single-phase supply
- Integrated braking chopper: connect an external braking resistor for fast deceleration or high-inertia loads
- STO function: enables safe stop category 0 without removing main power, simplifying safety-circuit integration
Yes — that is one of the key advantages of the Ex9VF73S10070B1C. It accepts a single-phase 110/120 V AC input (93.5–138 V range) and outputs a variable 3-phase voltage to drive a standard 3-phase motor up to 1.5 kW / 2 HP. Keep in mind that when running a 3-phase motor from a single-phase input, you should derate the drive slightly; consult the NOARK Ex9VF7 V3 manual or contact us for application-specific guidance.
The integrated braking chopper is built into this unit, but the braking resistor itself is external and must be selected and purchased separately based on your deceleration requirements and duty cycle. NOARK publishes resistor sizing guidelines in the Ex9VF7 series manual. Contact Northern Breaker Group and we can help you source a compatible braking resistor or point you toward the correct NOARK accessory part number.
The STO function removes the gate-drive signals to the output IGBTs, preventing the drive from generating torque without cutting main power to the unit. On the Ex9VF73S10070B1C this is rated to IEC 61800-5-2 SIL 2 / PLd, which satisfies a Safety Category 0 (uncontrolled stop) under EN ISO 13849. It is not a substitute for a full Safe Stop 1 (SS1) without additional external safety logic. Always verify your specific machine safety requirements with a qualified safety engineer.
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